// META: script=/resources/testdriver.js
// META: script=/resources/testdriver-vendor.js
// META: script=/common/utils.js
// META: script=resources/ba-fledge-util.sub.js
// META: script=resources/fledge-util.sub.js
// META: script=third_party/cbor-js/cbor.js
// META: script=/common/subset-tests.js
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"use strict";

// These tests focus on the serverResponse field in AuctionConfig, e.g.
// auctions involving bidding and auction services.

subsetTest(promise_test, async test => {
  const uuid = generateUuid(test);
  const adA = createTrackerURL(window.location.origin, uuid, 'track_get', 'a');
  const adB = createTrackerURL(window.location.origin, uuid, 'track_get', 'b');
  const adsArray =
      [{renderURL: adA, adRenderId: 'a'}, {renderURL: adB, adRenderId: 'b'}];
  await joinInterestGroup(test, uuid, {ads: adsArray});

  const result = await navigator.getInterestGroupAdAuctionData({
    coordinatorOrigin: await BA.configureCoordinator(),
    seller: window.location.origin
  });
  assert_true(result.requestId !== null);
  assert_true(result.request.length > 0);

  let decoded = await BA.decodeInterestGroupData(result.request);

  let serverResponseMsg = {
    'biddingGroups': {},
    'adRenderURL': adsArray[0].renderURL,
    'interestGroupName': DEFAULT_INTEREST_GROUP_NAME,
    'interestGroupOwner': window.location.origin,
  };
  serverResponseMsg.biddingGroups[window.location.origin] = [0];

  let serverResponse =
      await BA.encodeServerResponse(serverResponseMsg, decoded);

  let hashString = await BA.payloadHash(serverResponse);
  await BA.authorizeServerResponseHashes([hashString]);

  let auctionResult = await navigator.runAdAuction({
    'seller': window.location.origin,
    'requestId': result.requestId,
    'serverResponse': serverResponse,
    'resolveToConfig': true,
  });
  expectSuccess(auctionResult);
  createAndNavigateFencedFrame(test, auctionResult);
  await waitForObservedRequests(uuid, [adA]);
}, 'Basic B&A auction');

subsetTest(promise_test, async test => {
  const uuid = generateUuid(test);
  const adA = createTrackerURL(window.location.origin, uuid, 'track_get', 'a');
  const adB = createTrackerURL(window.location.origin, uuid, 'track_get', 'b');
  const adsArray =
      [{renderURL: adA, adRenderId: 'a'}, {renderURL: adB, adRenderId: 'b'}];
  await joinInterestGroup(test, uuid, {ads: adsArray});

  const result = await navigator.getInterestGroupAdAuctionData({
    coordinatorOrigin: await BA.configureCoordinator(),
    seller: window.location.origin
  });
  assert_true(result.requestId !== null);
  assert_true(result.request.length > 0);

  let decoded = await BA.decodeInterestGroupData(result.request);

  let serverResponseMsg = {
    'nonce': uuid,
    'biddingGroups': {},
    'adRenderURL': adsArray[0].renderURL,
    'interestGroupName': DEFAULT_INTEREST_GROUP_NAME,
    'interestGroupOwner': window.location.origin,
  };
  serverResponseMsg.biddingGroups[window.location.origin] = [0];

  let serverResponse =
      await BA.encodeServerResponse(serverResponseMsg, decoded);

  let hashString = await BA.payloadHash(serverResponse);
  await BA.authorizeServerResponseNonces([uuid]);

  let auctionResult = await navigator.runAdAuction({
    'seller': window.location.origin,
    'requestId': result.requestId,
    'serverResponse': serverResponse,
    'resolveToConfig': true,
  });
  expectSuccess(auctionResult);
  createAndNavigateFencedFrame(test, auctionResult);
  await waitForObservedRequests(uuid, [adA]);
}, 'Basic B&A auction - nonces');

subsetTest(promise_test, async test => {
  const uuid = generateUuid(test);
  const adA = createTrackerURL(window.location.origin, uuid, 'track_get', 'a');
  const adB = createTrackerURL(window.location.origin, uuid, 'track_get', 'b');
  const adsArray =
      [{renderURL: adA, adRenderId: 'a'}, {renderURL: adB, adRenderId: 'b'}];
  await joinInterestGroup(test, uuid, {ads: adsArray});

  const result = await navigator.getInterestGroupAdAuctionData({
    coordinatorOrigin: await BA.configureCoordinator(),
    seller: window.location.origin
  });
  assert_true(result.requestId !== null);
  assert_true(result.request.length > 0);

  let decoded = await BA.decodeInterestGroupData(result.request);

  let serverResponseMsg = {
    'biddingGroups': {},
    'adRenderURL': adsArray[0].renderURL,
    'interestGroupName': DEFAULT_INTEREST_GROUP_NAME,
    'interestGroupOwner': window.location.origin,
  };
  serverResponseMsg.biddingGroups[window.location.origin] = [0];

  let serverResponse =
      await BA.encodeServerResponse(serverResponseMsg, decoded);

  let auctionResult = await navigator.runAdAuction({
    'seller': window.location.origin,
    'requestId': result.requestId,
    'serverResponse': serverResponse,
    'resolveToConfig': true,
  });
  expectNoWinner(auctionResult);
}, 'Basic B&A auction - not authorized');

subsetTest(promise_test, async test => {
  const uuid = generateUuid(test);
  const adA = createTrackerURL(window.location.origin, uuid, 'track_get', 'a');
  const adB = createTrackerURL(window.location.origin, uuid, 'track_get', 'b');
  const adsArray =
      [{renderURL: adA, adRenderId: 'a'}, {renderURL: adB, adRenderId: 'b'}];
  await joinInterestGroup(test, uuid, {ads: adsArray});

  const result = await navigator.getInterestGroupAdAuctionData({
    coordinatorOrigin: await BA.configureCoordinator(),
    seller: window.location.origin
  });
  assert_true(result.requestId !== null);
  assert_true(result.request.length > 0);

  let decoded = await BA.decodeInterestGroupData(result.request);

  const trackSeller = createSellerReportURL(uuid);
  const trackBuyer = createBidderReportURL(uuid);
  // This one should still work since the server may have run an auction with
  // components on its own.
  const trackComponentSeller = createSellerReportURL(uuid, 'component');
  let serverResponseMsg = {
    'biddingGroups': {},
    'adRenderURL': adsArray[1].renderURL,
    'interestGroupName': DEFAULT_INTEREST_GROUP_NAME,
    'interestGroupOwner': window.location.origin,
    'winReportingURLs': {
      'buyerReportingURLs': {'reportingURL': trackBuyer},
      'topLevelSellerReportingURLs': {'reportingURL': trackSeller},
      'componentSellerReportingURLs': {'reportingURL': trackComponentSeller}
    }
  };
  serverResponseMsg.biddingGroups[window.location.origin] = [0];

  let serverResponse =
      await BA.encodeServerResponse(serverResponseMsg, decoded);

  let hashString = await BA.payloadHash(serverResponse);
  await BA.authorizeServerResponseHashes([hashString]);

  let auctionResult = await navigator.runAdAuction({
    'seller': window.location.origin,
    'requestId': result.requestId,
    'serverResponse': serverResponse,
    'resolveToConfig': true,
  });
  expectSuccess(auctionResult);
  createAndNavigateFencedFrame(test, auctionResult);
  await waitForObservedRequests(
      uuid, [adB, trackBuyer, trackSeller, trackComponentSeller]);
}, 'Basic B&A auction with reporting URLs');

subsetTest(promise_test, async test => {
  const uuid = generateUuid(test);
  const adA = createTrackerURL(window.location.origin, uuid, 'track_get', 'a');
  const adB = createTrackerURL(window.location.origin, uuid, 'track_get', 'b');
  const adsArray =
      [{renderURL: adA, adRenderId: 'a'}, {renderURL: adB, adRenderId: 'b'}];
  await joinInterestGroup(test, uuid, {
    ads: adsArray,
    biddingLogicURL: createBiddingScriptURL({allowComponentAuction: true})
  });

  const result = await navigator.getInterestGroupAdAuctionData({
      coordinatorOrigin: await BA.configureCoordinator(),
      seller: window.location.origin
  });
  assert_true(result.requestId !== null);
  assert_true(result.request.length > 0);

  let decoded = await BA.decodeInterestGroupData(result.request);

  // The server-side auction uses a bid of 10, for second ad, so it should
  // win over the client-side component auctions bid of 9.
  let serverResponseMsg = {
    'biddingGroups': {},
    'adRenderURL': adsArray[1].renderURL,
    'interestGroupName': DEFAULT_INTEREST_GROUP_NAME,
    'interestGroupOwner': window.location.origin,
    'topLevelSeller': window.location.origin,
    'bid': 10,
  };
  serverResponseMsg.biddingGroups[window.location.origin] = [0];

  let serverResponse =
      await BA.encodeServerResponse(serverResponseMsg, decoded);

  let hashString = await BA.payloadHash(serverResponse);
  await BA.authorizeServerResponseHashes([hashString]);

  let auctionConfig = {
    seller: window.location.origin,
    decisionLogicURL: createDecisionScriptURL(uuid),
    interestGroupBuyers: [],
    resolveToConfig: true,
    componentAuctions: [
      {
        seller: window.location.origin,
        decisionLogicURL: createDecisionScriptURL(uuid),
        interestGroupBuyers: [window.location.origin],
      },
      {
        seller: window.location.origin,
        requestId: result.requestId,
        serverResponse: serverResponse,
      }
    ]
  };

  let auctionResult = await navigator.runAdAuction(auctionConfig);
  expectSuccess(auctionResult);
  createAndNavigateFencedFrame(test, auctionResult);
  await waitForObservedRequests(uuid, [adB]);
}, 'Hybrid B&A auction');

subsetTest(promise_test, async test => {
  const uuid = generateUuid(test);
  const adA = createTrackerURL(window.location.origin, uuid, 'track_get', 'a');
  const adB = createTrackerURL(window.location.origin, uuid, 'track_get', 'b');
  const adsArray =
      [{renderURL: adA, adRenderId: 'a'}, {renderURL: adB, adRenderId: 'b'}];
  await joinInterestGroup(test, uuid, {
    ads: adsArray,
    biddingLogicURL: createBiddingScriptURL({allowComponentAuction: true})
  });

  const result = await navigator.getInterestGroupAdAuctionData({
    coordinatorOrigin: await BA.configureCoordinator(),
    seller: window.location.origin
  });
  assert_true(result.requestId !== null);
  assert_true(result.request.length > 0);

  let decoded = await BA.decodeInterestGroupData(result.request);

  // The server-side auction uses a bid of 10, for second ad, so it should
  // win over the client-side component auctions bid of 9.
  const trackServerSeller = createSellerReportURL(uuid);
  const trackBuyer = createBidderReportURL(uuid);
  // This one shouldn't show up.
  const trackTopLevelServerSeller = createSellerReportURL(uuid, 'top');
  let serverResponseMsg = {
    'biddingGroups': {},
    'adRenderURL': adsArray[1].renderURL,
    'interestGroupName': DEFAULT_INTEREST_GROUP_NAME,
    'interestGroupOwner': window.location.origin,
    'topLevelSeller': window.location.origin,
    'bid': 10,
    'winReportingURLs': {
      'buyerReportingURLs': {'reportingURL': trackBuyer},
      'componentSellerReportingURLs': {'reportingURL': trackServerSeller},
      'topLevelSellerReportingURLs': {'reportingURL': trackTopLevelServerSeller}
    }
  };
  serverResponseMsg.biddingGroups[window.location.origin] = [0];

  let serverResponse =
      await BA.encodeServerResponse(serverResponseMsg, decoded);

  let hashString = await BA.payloadHash(serverResponse);
  await BA.authorizeServerResponseHashes([hashString]);

  let trackTopSeller = createSellerReportURL(uuid, 'top');
  let trackClientSeller = createSellerReportURL(uuid, 'client');
  let auctionConfig = {
    seller: window.location.origin,
    decisionLogicURL: createDecisionScriptURL(
        uuid, {reportResult: `sendReportTo("${trackTopSeller}")`}),
    interestGroupBuyers: [],
    resolveToConfig: true,
    componentAuctions: [
      {
        seller: window.location.origin,
        decisionLogicURL: createDecisionScriptURL(
            uuid, {reportResult: `sendReportTo("${trackClientSeller}")`}),
        interestGroupBuyers: [window.location.origin],
      },
      {
        seller: window.location.origin,
        requestId: result.requestId,
        serverResponse: serverResponse,
      }
    ]
  };

  let auctionResult = await navigator.runAdAuction(auctionConfig);
  expectSuccess(auctionResult);
  createAndNavigateFencedFrame(test, auctionResult);
  await waitForObservedRequests(
      uuid, [adB, trackBuyer, trackServerSeller, trackTopSeller]);
}, 'Hybrid B&A auction with reporting URLs');

async function runFaultInjectTest(test, fault) {
  const uuid = generateUuid(test);
  const adA = 'https://example.org/a';
  const adB = 'https://example.org/b';
  const adsArray =
      [{renderURL: adA, adRenderId: 'a'}, {renderURL: adB, adRenderId: 'b'}];
  await joinInterestGroup(test, uuid, {ads: adsArray});

  const result = await navigator.getInterestGroupAdAuctionData({
    coordinatorOrigin: await BA.configureCoordinator(),
    seller: window.location.origin
  });
  assert_true(result.requestId !== null);
  assert_true(result.request.length > 0);

  let decoded = await BA.decodeInterestGroupData(result.request);

  let serverResponseMsg = {
    'biddingGroups': {},
    'adRenderURL': adsArray[0].renderURL,
    'interestGroupName': DEFAULT_INTEREST_GROUP_NAME,
    'interestGroupOwner': window.location.origin,
  };
  serverResponseMsg.biddingGroups[window.location.origin] = [0];

  let serverResponse =
      await BA.encodeServerResponse(serverResponseMsg, decoded, fault);

  let hashString = await BA.payloadHash(serverResponse);
  await BA.authorizeServerResponseHashes([hashString]);

  let auctionResult = await navigator.runAdAuction({
    'seller': window.location.origin,
    'requestId': result.requestId,
    'serverResponse': serverResponse,
    'resolveToConfig': true,
  });
  expectNoWinner(auctionResult);
}

subsetTest(promise_test, async test => {
  return runFaultInjectTest(test, BA.injectCborFault);
}, 'Basic B&A auction - fault inject at CBOR');

subsetTest(promise_test, async test => {
  return runFaultInjectTest(test, BA.injectGzipFault);
}, 'Basic B&A auction - fault inject at gzip');

subsetTest(promise_test, async test => {
  return runFaultInjectTest(test, BA.injectFrameFault);
}, 'Basic B&A auction - fault inject at framing');

subsetTest(promise_test, async test => {
  return runFaultInjectTest(test, BA.injectEncryptFault);
}, 'Basic B&A auction - fault inject at encryption');

subsetTest(promise_test, async test => {
  const uuid = generateUuid(test);
  const adA = 'https://example.org/a';
  const adB = 'https://example.org/b';
  const adsArray =
      [{renderURL: adA, adRenderId: 'a'}, {renderURL: adB, adRenderId: 'b'}];
  await joinInterestGroup(test, uuid, {ads: adsArray});

  const result = await navigator.getInterestGroupAdAuctionData({
    coordinatorOrigin: await BA.configureCoordinator(),
    seller: window.location.origin
  });
  assert_true(result.requestId !== null);
  assert_true(result.request.length > 0);

  let decoded = await BA.decodeInterestGroupData(result.request);

  let serverResponseMsg = {
    'biddingGroups': {},
    'adRenderURL': adsArray[0].renderURL,
    'interestGroupName': DEFAULT_INTEREST_GROUP_NAME,
    'interestGroupOwner': window.location.origin,
  };
  serverResponseMsg.biddingGroups[window.location.origin] = [0];

  let serverResponse =
      await BA.encodeServerResponse(serverResponseMsg, decoded);

  // Mess up the array for a bit before computing hash to get the wrong hash,
  // then undo.
  serverResponse[0] ^= 0xBE;
  let hashString = await BA.payloadHash(serverResponse);
  await BA.authorizeServerResponseHashes([hashString]);
  serverResponse[0] ^= 0xBE;

  let auctionResult = await navigator.runAdAuction({
    'seller': window.location.origin,
    'requestId': result.requestId,
    'serverResponse': serverResponse,
    'resolveToConfig': true,
  });
  expectNoWinner(auctionResult);
}, 'Basic B&A auction - Wrong authorization');

subsetTest(promise_test, async test => {
  const uuid = generateUuid(test);
  const adA = 'https://example.org/a';
  const adB = 'https://example.org/b';
  const adsArray =
      [{renderURL: adA, adRenderId: 'a'}, {renderURL: adB, adRenderId: 'b'}];
  await joinInterestGroup(test, uuid, {ads: adsArray});

  const result = await navigator.getInterestGroupAdAuctionData({
    coordinatorOrigin: await BA.configureCoordinator(),
    seller: OTHER_ORIGIN1
  });
  assert_true(result.requestId !== null);
  assert_true(result.request.length > 0);

  let decoded = await BA.decodeInterestGroupData(result.request);

  let serverResponseMsg = {
    'biddingGroups': {},
    'adRenderURL': adsArray[0].renderURL,
    'interestGroupName': DEFAULT_INTEREST_GROUP_NAME,
    'interestGroupOwner': window.location.origin,
  };
  serverResponseMsg.biddingGroups[window.location.origin] = [0];

  let serverResponse =
      await BA.encodeServerResponse(serverResponseMsg, decoded);

  let hashString = await BA.payloadHash(serverResponse);
  await BA.authorizeServerResponseHashes([hashString]);

  let auctionResult = await navigator.runAdAuction({
    'seller': window.location.origin,
    'requestId': result.requestId,
    'serverResponse': serverResponse,
    'resolveToConfig': true,
  });
  expectNoWinner(auctionResult);
}, 'Basic B&A auction - Wrong seller');

subsetTest(promise_test, async test => {
  const uuid = generateUuid(test);
  const adA = 'https://example.org/a';
  const adB = 'https://example.org/b';
  const adsArray =
      [{renderURL: adA, adRenderId: 'a'}, {renderURL: adB, adRenderId: 'b'}];
  await joinInterestGroup(test, uuid, {ads: adsArray});

  const result = await navigator.getInterestGroupAdAuctionData({
    coordinatorOrigin: await BA.configureCoordinator(),
    seller: window.location.origin
  });
  assert_true(result.requestId !== null);
  assert_true(result.request.length > 0);

  let decoded = await BA.decodeInterestGroupData(result.request);

  let serverResponseMsg = {
    'biddingGroups': {},
    'adRenderURL': adsArray[0].renderURL,
    'interestGroupName': DEFAULT_INTEREST_GROUP_NAME,
    'interestGroupOwner': window.location.origin,
  };
  serverResponseMsg.biddingGroups[window.location.origin] = [0];

  let serverResponse =
      await BA.encodeServerResponse(serverResponseMsg, decoded);

  let hashString = await BA.payloadHash(serverResponse);
  await BA.authorizeServerResponseHashes([hashString]);

  let auctionResult = await navigator.runAdAuction({
    'seller': window.location.origin,
    'requestId': token(),
    'serverResponse': serverResponse,
    'resolveToConfig': true,
  });
  expectNoWinner(auctionResult);
}, 'Basic B&A auction - Wrong request Id');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, msg => {msg.error = {}});
}, 'Basic B&A auction - response marked as error');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(test, /*expectSuccess=*/ true, msg => {
    msg.error = 4;
  });
}, 'Basic B&A auction - nonsense error field');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, msg => {
        msg.error = {message: 'oh no'};
      });
}, 'Basic B&A auction - response marked as error, with message');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, msg => {
        msg.error = {message: {}};
      });
}, 'Basic B&A auction - response marked as error, with bad message');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, msg => {msg.isChaff = true});
}, 'Basic B&A auction - response marked as chaff');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ true, msg => {msg.isChaff = false});
}, 'Basic B&A auction - response marked as non-chaff');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, msg => {msg.isChaff = 'yes'});
}, 'Basic B&A auction - response marked as chaff incorrectly');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false,
      msg => {msg.topLevelSeller = 'https://example.org/'});
}, 'Basic B&A auction - incorrectly includes topLevelSeller');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, msg => {msg.topLevelSeller = 1});
}, 'Basic B&A auction - non-string top-level seller invalid');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false,
      msg => {msg.topLevelSeller = 'http://example.org/'});
}, 'Basic B&A auction - http:// topLevelSeller is bad, too');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, msg => {msg.bid = '10 cents'});
}, 'Basic B&A auction - non-number bid is invalid');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ true, msg => {msg.bid = 50});
}, 'Basic B&A auction - positive bid is good');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, msg => {msg.bid = -50});
}, 'Basic B&A auction - negative bid is bad');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, msg => {msg.bid = 0});
}, 'Basic B&A auction - zero bid is bad');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false,
      msg => {msg.biddingGroups[window.location.origin] = []});
}, 'Basic B&A auction - winning group did not bid');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false,
      msg => {msg.biddingGroups[window.location.origin] = [-1, 0]});
}, 'Basic B&A auction - negative bidding group index');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false,
      msg => {msg.biddingGroups[window.location.origin] = [0, 1]});
}, 'Basic B&A auction - too large bidding group index');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, msg => {
        msg.interestGroupName += 'not';
      });
}, 'Basic B&A auction - wrong IG name');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, async msg => {
        await leaveInterestGroup();
      });
}, 'Basic B&A auction - left IG in the middle');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, msg => {
        msg.adRenderURL += 'not';
      });
}, 'Basic B&A auction - ad URL not in ad');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, msg => {
        msg.buyerReportingId = 'bid1';
      });
}, 'Basic B&A auction - buyerReportingId not in ad');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ true,
      msg => {
        msg.buyerReportingId = 'bid1';
      },
      ig => {
        ig.ads[0].buyerReportingId = 'bid1';
        ig.ads[1].buyerReportingId = 'bid2';
      });
}, 'Basic B&A auction - buyerReportingId in ad');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false,
      msg => {
        msg.buyerReportingId = 'bid2';
      },
      ig => {
        ig.ads[0].buyerReportingId = 'bid1';
        ig.ads[1].buyerReportingId = 'bid2';
      });
}, 'Basic B&A auction - buyerReportingId in wrong ad');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, msg => {
        msg.buyerAndSellerReportingId = 'bsid1';
      });
}, 'Basic B&A auction - buyerAndSellerReportingId not in ad');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ true,
      msg => {
        msg.buyerAndSellerReportingId = 'bsid1';
      },
      ig => {
        ig.ads[0].buyerAndSellerReportingId = 'bsid1';
        ig.ads[1].buyerAndSellerReportingId = 'bsid2';
      });
}, 'Basic B&A auction - buyerAndSellerReportingId in ad');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false,
      msg => {
        msg.buyerAndSellerReportingId = 'bsid2';
      },
      ig => {
        ig.ads[0].buyerAndSellerReportingId = 'bsid1';
        ig.ads[1].buyerAndSellerReportingId = 'bsid2';
      });
}, 'Basic B&A auction - buyerAndSellerReportingId in wrong ad');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, msg => {
        msg.components = ['https://example.org'];
      });
}, 'Basic B&A auction - ad component URL not in ad');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ true,
      msg => {
        msg.components = ['https://example.org'];
      },
      ig => {
        ig.adComponents = [{renderURL: 'https://example.org/'}];
      });
}, 'Basic B&A auction - ad component URL in ad');

subsetTest(promise_test, async test => {
  let savedUuid;
  let savedExpectUrls;
  let result = await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ true,
      (msg, uuid) => {
        savedUuid = uuid;
        msg.components = [
          createTrackerURL(window.location.origin, uuid, 'track_get', 'c_a'),
          createTrackerURL(window.location.origin, uuid, 'track_get', 'c_c')
        ];
        savedExpectUrls = msg.components;
      },
      (ig, uuid) => {
        ig.ads[0].renderURL = createRenderURL(uuid, `
          const componentAds = window.fence.getNestedConfigs();
          // Limit the number of fenced frames we try to load at once, since loading too many
          // completely breaks some Chrome test set ups, and we only really care about 3 of them
          // anyway.
          //
          // See https://crbug.com/370533823 for more context.
          const limit = 5;
          for (var i = 0; i < Math.min(limit, componentAds.length); ++i) {
            let fencedFrame = document.createElement("fencedframe");
            fencedFrame.mode = "opaque-ads";
            fencedFrame.config = componentAds[i];
            document.body.appendChild(fencedFrame);
          }`);
        ig.adComponents = [
          {
            renderURL: createTrackerURL(
                window.location.origin, uuid, 'track_get', 'c_a')
          },
          {
            renderURL: createTrackerURL(
                window.location.origin, uuid, 'track_get', 'c_c')
          },
          {
            renderURL: createTrackerURL(
                window.location.origin, uuid, 'track_get', 'c_c')
          }
        ];
      });
  createAndNavigateFencedFrame(test, result);
  await waitForObservedRequests(savedUuid, savedExpectUrls);
}, 'Basic B&A auction - loading winning component ads');


subsetTest(promise_test, async test => {
  let savedUuid;
  let result = await BA.testWithMutatedServerResponse(
      test, /*expectWin=*/ true,
      (msg, uuid) => {
        savedUuid = uuid;
        msg.winReportingURLs = {
          'buyerReportingURLs': {
            'interactionReportingURLs': {
              'click': createBidderBeaconURL(uuid, 'i'),
              'cluck': createBidderBeaconURL(uuid, 'u')
            }
          },
          'topLevelSellerReportingURLs': {
            'interactionReportingURLs': {
              'click': createSellerBeaconURL(uuid, 'i'),
              'cluck': createSellerBeaconURL(uuid, 'u')
            }
          }
        };
      },
      (ig, uuid) => {
        ig.ads[0].renderURL = createRenderURL(uuid, `window.fence.reportEvent({
              eventType: 'click',
              eventData: 'click_body',
              destination: ['seller', 'buyer']
            });
            window.fence.reportEvent({
              eventType: 'cluck',
              eventData: 'cluck_body',
              destination: ['direct-seller']
            });`);
      });

  createAndNavigateFencedFrame(test, result);
  // The script triggers seller and buyer 'click', and seller 'cluck'.
  // No tracker for page itself.
  await waitForObservedRequests(savedUuid, [
    createBidderBeaconURL(savedUuid, 'i') + ', body: click_body',
    createSellerBeaconURL(savedUuid, 'i') + ', body: click_body',
    createSellerBeaconURL(savedUuid, 'u') + ', body: cluck_body'
  ]);
}, 'Basic B&A auction --- beacon reporting');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, msg => {
        msg.bidCurrency = 'cents';
      });
}, 'Basic B&A auction - invalid ad currency');

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(test, /*expectSuccess=*/ true, msg => {
    msg.bidCurrency = 'USD';
  });
}, 'Basic B&A auction - valid ad currency');

// Runs whatever is set in `mutators` on a minimal correct hybrid B&A/local
// auction, and expects either the B&A bid or local bid to win depending on
// expectBaWin.
async function testHybridAuctionWithMutatedServerResponse(
    test, expectBaWin, mutators = {
      responseMutator: undefined,
      igMutator: undefined,
      auctionConfigMutator: undefined,
      expectUrlsMutator: undefined
    }) {
  const uuid = generateUuid(test);
  const adA = createTrackerURL(window.location.origin, uuid, 'track_get', 'a');
  const adB = createTrackerURL(window.location.origin, uuid, 'track_get', 'b');
  const adsArray =
      [{renderURL: adA, adRenderId: 'a'}, {renderURL: adB, adRenderId: 'b'}];
  let interestGroup = {
    ads: adsArray,
    biddingLogicURL: createBiddingScriptURL({allowComponentAuction: true})
  };
  if (mutators.igMutator) {
    mutators.igMutator(interestGroup, uuid);
  }
  await joinInterestGroup(test, uuid, interestGroup);

  const result = await navigator.getInterestGroupAdAuctionData({
    coordinatorOrigin: await BA.configureCoordinator(),
    seller: window.location.origin
  });
  assert_true(result.requestId !== null);
  assert_true(result.request.length > 0);

  let decoded = await BA.decodeInterestGroupData(result.request);

  // The server-side auction uses a bid of 10, for second ad, so it should
  // win over the client-side component auctions bid of 9 (unless something
  // mutators did made the server response unacceptable).
  let serverResponseMsg = {
    'biddingGroups': {},
    'adRenderURL': interestGroup.ads[1].renderURL,
    'interestGroupName': DEFAULT_INTEREST_GROUP_NAME,
    'interestGroupOwner': window.location.origin,
    'topLevelSeller': window.location.origin,
    'bid': 10,
  };
  serverResponseMsg.biddingGroups[window.location.origin] = [0];
  if (mutators.responseMutator) {
    mutators.responseMutator(serverResponseMsg, uuid);
  }

  let serverResponse =
      await BA.encodeServerResponse(serverResponseMsg, decoded);

  let hashString = await BA.payloadHash(serverResponse);
  await BA.authorizeServerResponseHashes([hashString]);

  let auctionConfig = {
    seller: window.location.origin,
    decisionLogicURL: createDecisionScriptURL(uuid),
    interestGroupBuyers: [],
    resolveToConfig: true,
    componentAuctions: [
      {
        seller: window.location.origin,
        decisionLogicURL: createDecisionScriptURL(uuid),
        interestGroupBuyers: [window.location.origin],
      },
      {
        seller: window.location.origin,
        requestId: result.requestId,
        serverResponse: serverResponse,
      }
    ]
  };
  if (mutators.auctionConfigMutator) {
    mutators.auctionConfigMutator(auctionConfig, uuid);
  }

  let auctionResult = await navigator.runAdAuction(auctionConfig);
  expectSuccess(auctionResult);
  createAndNavigateFencedFrame(test, auctionResult);
  let expectUrls = expectBaWin ? [adB] : [adA];
  if (mutators.expectUrlsMutator) {
    mutators.expectUrlsMutator(expectUrls, uuid);
  }
  await waitForObservedRequests(uuid, expectUrls);
}

subsetTest(promise_test, async test => {
  await testHybridAuctionWithMutatedServerResponse(
      test, /*expectBaWin=*/ false, {
        responseMutator: (response) => {
          delete response.topLevelSeller;
        }
      });
}, 'Hybrid B&A auction --- missing top-level seller');

subsetTest(promise_test, async test => {
  await testHybridAuctionWithMutatedServerResponse(
      test, /*expectBaWin=*/ false, {
        responseMutator: (response) => {
          response.topLevelSeller = 'https://www.example.org/';
        }
      });
}, 'Hybrid B&A auction --- wrong top-level seller');

subsetTest(promise_test, async test => {
  await testHybridAuctionWithMutatedServerResponse(
      test, /*expectBaWin=*/ false, {
        responseMutator: (response) => {
          delete response.bid;
        }
      });
}, 'Hybrid B&A auction --- no bid');

subsetTest(promise_test, async test => {
  await testHybridAuctionWithMutatedServerResponse(
      test, /*expectBaWin=*/ true, {
        responseMutator: (response) => {
          response.bidCurrency = 'USD';
        }
      });
}, 'Hybrid B&A auction --- currency check --- nothing configured');

subsetTest(promise_test, async test => {
  await testHybridAuctionWithMutatedServerResponse(
      test, /*expectBaWin=*/ false, {
        responseMutator: (response) => {
          response.bidCurrency = 'USD';
        },
        auctionConfigMutator: (auctionConfig) => {
          auctionConfig.componentAuctions[1].sellerCurrency = 'EUR';
        }
      });
}, 'Hybrid B&A auction --- sellerCurrency mismatch');

subsetTest(promise_test, async test => {
  await testHybridAuctionWithMutatedServerResponse(
      test, /*expectBaWin=*/ true, {
        auctionConfigMutator: (auctionConfig) => {
          auctionConfig.componentAuctions[1].sellerCurrency = 'EUR';
        }
      });
}, 'Hybrid B&A auction --- sellerCurrency config, no bidCurrency');

subsetTest(promise_test, async test => {
  await testHybridAuctionWithMutatedServerResponse(
      test, /*expectBaWin=*/ false, {
        responseMutator: (response) => {
          response.bidCurrency = 'USD';
        },
        auctionConfigMutator: (auctionConfig) => {
          auctionConfig.perBuyerCurrencies = {};
          auctionConfig.perBuyerCurrencies[window.location.origin] = 'EUR';
        }
      });
}, 'Hybrid B&A auction --- top perBuyerCurrencies mismatch');

subsetTest(promise_test, async test => {
  await testHybridAuctionWithMutatedServerResponse(
      test, /*expectBaWin=*/ true, {
        auctionConfigMutator: (auctionConfig) => {
          auctionConfig.perBuyerCurrencies = {};
          auctionConfig.perBuyerCurrencies[window.location.origin] = 'EUR';
        }
      });
}, 'Hybrid B&A auction --- perBuyerCurrencies config, no bidCurrency');

subsetTest(promise_test, async test => {
  await testHybridAuctionWithMutatedServerResponse(
      test, /*expectBaWin=*/ true, {
        responseMutator: (response) => {
          response.bidCurrency = 'USD';
          response.bid = 50;
          response.adMetadata = '[1, "hello"]';
        },
        auctionConfigMutator: (auctionConfig, uuid) => {
          let trackTopSeller = createSellerReportURL(uuid, 'top');
          auctionConfig.decisionLogicURL = createDecisionScriptURL(uuid, {
            // Note: this will throw on the local bid as well as an incorrect
            // server bid.
            scoreAd: `
              let origin = '${window.location.origin}';
              if (!(adMetadata instanceof Array) ||
                  adMetadata.length !== 2 ||
                  adMetadata[0] !== 1 ||
                  adMetadata[1] !== 'hello') {
                throw 'bad adMetadata ' + JSON.stringify(adMetadata);
              }
              if (bid !== 50)
                throw 'bad bid ' + bid;
              if (browserSignals.bidCurrency !== 'USD')
                throw 'bad currency ' + browserSignals.bidCurrency;
              if (browserSignals.interestGroupOwner != origin)
                throw 'bad IG owner ' + browserSignals.interestGroupOwner;
              if (browserSignals.componentSeller != origin) {
                throw 'bad component seller ' +
                    browserSignals.interestGroupOwner;
              }`
          });
        }
      });
}, 'Hybrid B&A auction --- bid info passed to top-level scoreAd');

subsetTest(promise_test, async test => {
  await testHybridAuctionWithMutatedServerResponse(
      test, /*expectBaWin=*/ true, {
        responseMutator: (response) => {
          response.bidCurrency = 'USD';
          response.bid = 50;
          response.buyerAndSellerReportingId = 'bsid2';
        },
        igMutator: (ig) => {
          ig.ads[0].buyerAndSellerReportingId = 'bsid1';
          ig.ads[1].buyerAndSellerReportingId = 'bsid2';
        },
        auctionConfigMutator: (auctionConfig, uuid) => {
          let trackTopSeller = createSellerReportURL(uuid, 'top');
          auctionConfig.decisionLogicURL = createDecisionScriptURL(uuid, {
            reportResult: `sendReportTo("${trackTopSeller}&" +
                browserSignals.bid + '&' +
                browserSignals.buyerAndSellerReportingId)`
          });
        },
        expectUrlsMutator: (expectUrls, uuid) => {
          expectUrls.push(createSellerReportURL(uuid, 'top') + '&50&bsid2');
        }
      });
}, 'Hybrid B&A auction --- bid info passed to top-level reporting');

subsetTest(promise_test, async test => {
  await testHybridAuctionWithMutatedServerResponse(
      test, /*expectBaWin=*/ true, {
        igMutator: (ig, uuid) => {
          ig.ads[1].renderURL =
              createRenderURL(uuid, `window.fence.reportEvent({
                eventType: 'click',
                eventData: 'click_body',
                destination: ['component-seller', 'buyer']
              });
              window.fence.reportEvent({
                eventType: 'clack',
                eventData: 'clack_body',
                destination: ['direct-seller']
              });`);
        },
        responseMutator: (response, uuid) => {
          response.winReportingURLs = {
            'buyerReportingURLs': {
              'interactionReportingURLs': {
                'click': createBidderBeaconURL(uuid, 'i'),
                'clack': createBidderBeaconURL(uuid, 'a')
              }
            },
            'componentSellerReportingURLs': {
              'interactionReportingURLs': {
                'click': createSellerBeaconURL(uuid, 'i'),
                'clack': createSellerBeaconURL(uuid, 'a')
              }
            }
          };
        },
        expectUrlsMutator: (expectUrls, uuid) => {
          // The script triggers seller and buyer 'click', and seller 'clack'.
          // No tracker for page itself.
          expectUrls.pop();
          expectUrls.push(
              createBidderBeaconURL(uuid, 'i') + ', body: click_body',
              createSellerBeaconURL(uuid, 'i') + ', body: click_body',
              createSellerBeaconURL(uuid, 'a') + ', body: clack_body');
        }
      });
}, 'Hybrid B&A auction --- beacon reporting');

/////////////////////////////////////////////////////////////////////////////
// updateIfOlderThanMs tests
//
// NOTE: Due to the lack of mock time in wpt, these tests just exercise the code
// paths and ensure that no crash occurs -- they don't otherwise verify
// behavior.
/////////////////////////////////////////////////////////////////////////////

subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(test, /*expectSuccess=*/ true, msg => {
    msg.updateGroups =
        {[window.location.origin]: [{index: 2048, updateIfOlderThanMs: 1000}]};
  });
}, 'Basic B&A auction - updateIfOlderThanMs - invalid index');


subsetTest(promise_test, async test => {
  await BA.testWithMutatedServerResponse(test, /*expectSuccess=*/ true, msg => {
    msg.updateGroups = {
      [window.location.origin]: [
        {index: 0, updateIfOlderThanMs: 1000},
        {index: 1, updateIfOlderThanMs: 10000}
      ]
    };
  });
}, 'Basic B&A auction - updateIfOlderThanMs');

/////////////////////////////////////////////////////////////////////////////
//
// K-anonymity support tests
//
/////////////////////////////////////////////////////////////////////////////

// Runs responseMutator on a minimal correct server response, and expects
// either success/failure based on expectWin.
async function kAnonTestWithMutatedServerResponse(
    test, expectWin, responseMutator, igMutator = undefined) {
  const uuid = generateUuid(test);
  const adA = createTrackerURL(window.location.origin, uuid, 'track_get', 'a');
  const adB = createTrackerURL(window.location.origin, uuid, 'track_get', 'b');
  const adsArray =
      [{renderURL: adA, adRenderId: 'a'}, {renderURL: adB, adRenderId: 'b'}];
  let ig = {
    owner: window.location.origin,
    name: DEFAULT_INTEREST_GROUP_NAME,
    ads: adsArray,
    biddingLogicURL: createBiddingScriptURL({allowComponentAuction: true})
  };
  if (igMutator) {
    igMutator(ig, uuid);
  }

  const encoder = new TextEncoder();
  const adARenderKAnonKey =
      encoder.encode(`AdBid\n${ig.owner}/\n${ig.biddingLogicURL}\n${adA}`);
  const adBRenderKAnonKey =
      encoder.encode(`AdBid\n${ig.owner}/\n${ig.biddingLogicURL}\n${adB}`);
  const adARenderKAnonKeyHash = new Uint8Array(
      await window.crypto.subtle.digest('SHA-256', adARenderKAnonKey));
  const adBRenderKAnonKeyHash = new Uint8Array(
      await window.crypto.subtle.digest('SHA-256', adBRenderKAnonKey));

  const adANameReportingIdKAnonKey = encoder.encode(
      `NameReport\n${ig.owner}/\n${ig.biddingLogicURL}\n${adA}\n${ig.name}`);
  const adBNameReportingIdKAnonKey = encoder.encode(
      `NameReport\n${ig.owner}/\n${ig.biddingLogicURL}\n${adB}\n${ig.name}`);
  const adANameReportingIdKAnonKeyHash = new Uint8Array(
      await window.crypto.subtle.digest('SHA-256', adANameReportingIdKAnonKey));
  const adBNameReportingIdKAnonKeyHash = new Uint8Array(
      await window.crypto.subtle.digest('SHA-256', adBNameReportingIdKAnonKey));

  const adABuyerReportingIdKAnonKey = encoder.encode(`BuyerReportId\n${
      ig.owner}/\n${ig.biddingLogicURL}\n${adA}\n${adA.buyerReportingId}`);
  const adBBuyerReportingIdKAnonKey = encoder.encode(`BuyerReportId\n${
      ig.owner}/\n${ig.biddingLogicURL}\n${adB}\n${adB.buyerReportingId}`);
  const adABuyerReportingIdKAnonKeyHash =
      new Uint8Array(await window.crypto.subtle.digest(
          'SHA-256', adABuyerReportingIdKAnonKey));
  const adBBuyerReportingIdKAnonKeyHash =
      new Uint8Array(await window.crypto.subtle.digest(
          'SHA-256', adBBuyerReportingIdKAnonKey));

  const adABASReportingIdKAnonKey =
      encoder.encode(`BuyerAndSellerReportId\n${ig.owner}/\n${
          ig.biddingLogicURL}\n${adA}\n${adA.buyerAndSellerReportingId}`);
  const adBBASReportingIdKAnonKey =
      encoder.encode(`BuyerAndSellerReportId\n${ig.owner}/\n${
          ig.biddingLogicURL}\n${adB}\n${adB.buyerAndSellerReportingId}`);
  const adABASReportingIdKAnonKeyHash = new Uint8Array(
      await window.crypto.subtle.digest('SHA-256', adABASReportingIdKAnonKey));
  const adBBASReportingIdKAnonKeyHash = new Uint8Array(
      await window.crypto.subtle.digest('SHA-256', adBBASReportingIdKAnonKey));

  const hashes = {
    adARenderKAnonKeyHash: adARenderKAnonKeyHash,
    adBRenderKAnonKeyHash: adBRenderKAnonKeyHash,
    adANameReportingIdKAnonKeyHash: adANameReportingIdKAnonKeyHash,
    adBNameReportingIdKAnonKeyHash: adBNameReportingIdKAnonKeyHash,
    adABuyerReportingIdKAnonKeyHash: adABuyerReportingIdKAnonKeyHash,
    adBBuyerReportingIdKAnonKeyHash: adBBuyerReportingIdKAnonKeyHash,
    adABASReportingIdKAnonKeyHash: adABASReportingIdKAnonKeyHash,
    adBBASReportingIdKAnonKeyHash: adBBASReportingIdKAnonKeyHash
  };

  await joinInterestGroup(test, uuid, ig);

  const result = await navigator.getInterestGroupAdAuctionData({
    coordinatorOrigin: await BA.configureCoordinator(),
    seller: window.location.origin
  });
  assert_true(result.requestId !== null);
  assert_true(result.request.length > 0);

  let decoded = await BA.decodeInterestGroupData(result.request);

  let serverResponseMsg = {
    'biddingGroups': {},
    'adRenderURL': ig.ads[0].renderURL,
    'interestGroupName': DEFAULT_INTEREST_GROUP_NAME,
    'interestGroupOwner': window.location.origin,
  };
  serverResponseMsg.biddingGroups[window.location.origin] = [0];

  await responseMutator(serverResponseMsg, ig, hashes, uuid);

  let serverResponse =
      await BA.encodeServerResponse(serverResponseMsg, decoded);

  let hashString = await BA.payloadHash(serverResponse);
  await BA.authorizeServerResponseHashes([hashString]);

  let auctionResult = await navigator.runAdAuction({
    'seller': window.location.origin,
    'interestGroupBuyers': [window.location.origin],
    'requestId': result.requestId,
    'serverResponse': serverResponse,
    'resolveToConfig': true,
  });
  if (expectWin) {
    expectSuccess(auctionResult);
    return auctionResult;
  } else {
    expectNoWinner(auctionResult);
  }
}

subsetTest(promise_test, async test => {
  await kAnonTestWithMutatedServerResponse(
      test, /*expectSuccess=*/ true, (msg, ig, hashes) => {
        msg.kAnonWinnerJoinCandidates = {
          adRenderURLHash: hashes.adARenderKAnonKeyHash,
          reportingIdHash: hashes.adANameReportingIdKAnonKeyHash,
        };
      });
}, 'Basic B&A auction - winner with candidates');

subsetTest(promise_test, async test => {
  await kAnonTestWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, (msg, ig, hashes) => {
        msg.kAnonWinnerJoinCandidates = {
          adRenderURLHash: new Uint8Array(),
          reportingIdHash: hashes.adANameReportingIdKAnonKeyHash,
        };
      });
}, 'Basic B&A auction - winner with bad render hash');

subsetTest(promise_test, async test => {
  await kAnonTestWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, (msg, ig, hashes) => {
        msg.kAnonWinnerJoinCandidates = {
          adRenderURLHash: hashes.adARenderKAnonKeyHash,
          reportingIdHash: new Uint8Array(),
        };
      });
}, 'Basic B&A auction - winner with bad reporting hash');

subsetTest(promise_test, async test => {
  await kAnonTestWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, (msg, ig, hashes) => {
        delete msg.adRenderURL;
        delete msg.interestGroupName;
        delete msg.interestGroupOwner;
        msg.kAnonGhostWinners = [{
          kAnonJoinCandidates: {
            // missing adRenderURLHash
            reportingIdHash: hashes.adANameReportingIdKAnonKeyHash,
          },
          interestGroupIndex: 0,
          owner: window.location.origin,
        }]
      });
}, 'Basic B&A auction - invalid ghost winner');

subsetTest(promise_test, async test => {
  await kAnonTestWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, (msg, ig, hashes) => {
        delete msg.adRenderURL;
        delete msg.interestGroupName;
        delete msg.interestGroupOwner;
        msg.kAnonGhostWinners = [{
          kAnonJoinCandidates: {
            adRenderURLHash: hashes.adARenderKAnonKeyHash,
            reportingIdHash: hashes.adANameReportingIdKAnonKeyHash,
          },
          interestGroupIndex: 0,
          owner: window.location.origin,
        }]
      });
}, 'Basic B&A auction - only ghost winner');

subsetTest(promise_test, async test => {
  await kAnonTestWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, (msg, ig, hashes) => {
        delete msg.adRenderURL;
        delete msg.interestGroupName;
        delete msg.interestGroupOwner;
        msg.kAnonGhostWinners = [
          {
            kAnonJoinCandidates: {
              adRenderURLHash: hashes.adARenderKAnonKeyHash,
              reportingIdHash: hashes.adANameReportingIdKAnonKeyHash,
            },
            interestGroupIndex: 0,
            owner: window.location.origin,
          },
          {
            kAnonJoinCandidates: {
              adRenderURLHash: hashes.adBRenderKAnonKeyHash,
              reportingIdHash: hashes.adBNameReportingIdKAnonKeyHash,
            },
            interestGroupIndex: 0,
            owner: window.location.origin,
          }
        ]
      });
}, 'Basic B&A auction - multiple ghost winners');

subsetTest(promise_test, async test => {
  await kAnonTestWithMutatedServerResponse(
      test, /*expectSuccess=*/ false, (msg, ig, hashes) => {
        delete msg.adRenderURL;
        delete msg.interestGroupName;
        delete msg.interestGroupOwner;
        msg.kAnonGhostWinners = [
          {
            kAnonJoinCandidates: {
              adRenderURLHash: hashes.adARenderKAnonKeyHash,
              reportingIdHash: hashes.adANameReportingIdKAnonKeyHash,
            },
            interestGroupIndex: 0,
            owner: window.location.origin,
          },
          {
            kAnonJoinCandidates: {
              // missing adRenderURLHash
              reportingIdHash: hashes.adBNameReportingIdKAnonKeyHash,
            },
            interestGroupIndex: 0,
            owner: window.location.origin,
          }
        ]
      });
}, 'Basic B&A auction - second ghost winner invalid');

subsetTest(promise_test, async test => {
  await kAnonTestWithMutatedServerResponse(
      test, /*expectSuccess=*/ true, (msg, ig, hashes) => {
        msg.kAnonWinnerJoinCandidates = {
          adRenderURLHash: hashes.adARenderKAnonKeyHash,
          reportingIdHash: hashes.adANameReportingIdKAnonKeyHash,
        };
        msg.kAnonGhostWinners = [{
          kAnonJoinCandidates: {
            adRenderURLHash: hashes.adBRenderKAnonKeyHash,
            reportingIdHash: hashes.adBNameReportingIdKAnonKeyHash,
          },
          interestGroupIndex: 0,
          owner: window.location.origin,
        }];
      });
}, 'Basic B&A auction - winner with ghost winner');

subsetTest(promise_test, async test => {
  await kAnonTestWithMutatedServerResponse(
      test, /*expectSuccess=*/ true, (msg, ig, hashes) => {
        msg.kAnonWinnerJoinCandidates = {
          adRenderURLHash: hashes.adARenderKAnonKeyHash,
          reportingIdHash: hashes.adANameReportingIdKAnonKeyHash,
        };
        msg.kAnonGhostWinners = [{
          kAnonJoinCandidates: {
            adRenderURLHash: hashes.adBRenderKAnonKeyHash,
            reportingIdHash: hashes.adBNameReportingIdKAnonKeyHash,
          },
          interestGroupIndex: 0,
          owner: window.location.origin,
          ghostWinnerForTopLevelAuction: {
            // missing adRenderURL
            modifiedBid: 100,
          },
        }];
      });
}, 'Basic B&A auction - invalid GhostWinnerForTopLevelAuction');

subsetTest(promise_test, async test => {
  await kAnonTestWithMutatedServerResponse(
      test, /*expectSuccess=*/ true, (msg, ig, hashes) => {
        msg.kAnonWinnerJoinCandidates = {
          adRenderURLHash: hashes.adARenderKAnonKeyHash,
          reportingIdHash: hashes.adANameReportingIdKAnonKeyHash,
        };
        msg.kAnonGhostWinners = [{
          kAnonJoinCandidates: {
            adRenderURLHash: hashes.adBRenderKAnonKeyHash,
            reportingIdHash: hashes.adBNameReportingIdKAnonKeyHash,
          },
          interestGroupIndex: 0,
          owner: window.location.origin,
          ghostWinnerForTopLevelAuction: {
            adRenderURL: ig.ads[1].renderURL,
            modifiedBid: 100,
          },
        }];
      });
}, 'Basic B&A auction - winner with full ghost winner');

// TODO(behamilton): Add Multi-seller k-anon tests.
// TODO(behamilton): Add k-anon tests with different reporting IDs.

/* Some things that are not currently tested that probably should be; this is
   not exhaustive, merely to keep track of things that come to mind as tests are
   written:

   - forDebugOnly --- it will be straightforward now, but will break.
   - Some of the parsing details that need to match the spec language exactly.
*/