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import { GlobalOverrider } from "test/unit/utils";
import { UserDomainAffinityProvider } from "lib/UserDomainAffinityProvider.jsm";
const TIME_SEGMENTS = [
{ id: "hour", startTime: 3600, endTime: 0, weightPosition: 1 },
{ id: "day", startTime: 86400, endTime: 3600, weightPosition: 0.75 },
{ id: "week", startTime: 604800, endTime: 86400, weightPosition: 0.5 },
{ id: "weekPlus", startTime: null, endTime: 604800, weightPosition: 0.25 },
];
const PARAMETER_SETS = {
paramSet1: {
recencyFactor: 0.5,
frequencyFactor: 0.5,
combinedDomainFactor: 0.5,
perfectFrequencyVisits: 10,
perfectCombinedDomainScore: 2,
multiDomainBoost: 0.1,
itemScoreFactor: 0,
},
paramSet2: {
recencyFactor: 1,
frequencyFactor: 0.7,
combinedDomainFactor: 0.8,
perfectFrequencyVisits: 10,
perfectCombinedDomainScore: 2,
multiDomainBoost: 0.1,
itemScoreFactor: 0,
},
};
describe("User Domain Affinity Provider", () => {
let instance;
let globals;
beforeEach(() => {
globals = new GlobalOverrider();
const testUrl = "www.somedomain.com";
globals.sandbox
.stub(global.Services.io, "newURI")
.returns({ host: testUrl });
globals.sandbox.stub(global.PlacesUtils.history, "executeQuery").returns({
root: {
childCount: 1,
getChild: index => ({ uri: testUrl, accessCount: 1 }),
},
});
globals.sandbox
.stub(global.PlacesUtils.history, "getNewQuery")
.returns({ TIME_RELATIVE_NOW: 1 });
globals.sandbox
.stub(global.PlacesUtils.history, "getNewQueryOptions")
.returns({});
instance = new UserDomainAffinityProvider(TIME_SEGMENTS, PARAMETER_SETS);
});
afterEach(() => {
globals.restore();
});
describe("#init", () => {
function calculateScore(visitCounts, timeSeg, domain, ps) {
const vc = visitCounts[timeSeg][domain];
const score = instance.calculateScore(
vc * Number(ps.timeSegmentWeights[timeSeg]),
ps.perfectFrequencyVisits,
ps.frequencyFactor
);
return Math.min(1, score);
}
it("should create a UserDomainAffinityProvider", () => {
assert.instanceOf(instance, UserDomainAffinityProvider);
});
it("should calculate time segment weights for parameter sets", () => {
const expectedParamSets = Object.assign({}, PARAMETER_SETS);
// Verify that parameter set specific recencyFactor was applied
expectedParamSets.paramSet1.timeSegmentWeights = {
hour: 1,
day: 0.75,
week: 0.5,
weekPlus: 0.25,
};
expectedParamSets.paramSet2.timeSegmentWeights = {
hour: 1,
day: 1,
week: 1,
weekPlus: 1,
};
assert.deepEqual(expectedParamSets, instance.parameterSets);
});
it("should calculate user domain affinity scores", () => {
const ps1 = instance.parameterSets.paramSet1;
const ps2 = instance.parameterSets.paramSet2;
const visitCounts = {
hour: { "a.com": 1, "b.com": 2 },
day: { "a.com": 4 },
week: { "c.com": 1 },
weekPlus: { "a.com": 1, "d.com": 3 },
};
instance.queryVisits = ts => visitCounts[ts.id];
const expScoreAHourPs1 = calculateScore(
visitCounts,
"hour",
"a.com",
ps1
);
const expScoreBHourPs1 = calculateScore(
visitCounts,
"hour",
"b.com",
ps1
);
const expScoreAHourPs2 = calculateScore(
visitCounts,
"hour",
"a.com",
ps2
);
const expScoreBHourPs2 = calculateScore(
visitCounts,
"hour",
"b.com",
ps2
);
const expScoreADayPs1 = calculateScore(visitCounts, "day", "a.com", ps1);
const expScoreADayPs2 = calculateScore(visitCounts, "day", "a.com", ps2);
const expScoreCWeekPs1 = calculateScore(
visitCounts,
"week",
"c.com",
ps1
);
const expScoreCWeekPs2 = calculateScore(
visitCounts,
"week",
"c.com",
ps2
);
const expScoreAWeekPlusPs1 = calculateScore(
visitCounts,
"weekPlus",
"a.com",
ps1
);
const expScoreAWeekPlusPs2 = calculateScore(
visitCounts,
"weekPlus",
"a.com",
ps2
);
const expScoreDWeekPlusPs1 = calculateScore(
visitCounts,
"weekPlus",
"d.com",
ps1
);
const expScoreDWeekPlusPs2 = calculateScore(
visitCounts,
"weekPlus",
"d.com",
ps2
);
const expectedScores = {
"a.com": {
paramSet1: Math.min(
1,
expScoreAHourPs1 + expScoreADayPs1 + expScoreAWeekPlusPs1
),
paramSet2: Math.min(
1,
expScoreAHourPs2 + expScoreADayPs2 + expScoreAWeekPlusPs2
),
},
"b.com": { paramSet1: expScoreBHourPs1, paramSet2: expScoreBHourPs2 },
"c.com": { paramSet1: expScoreCWeekPs1, paramSet2: expScoreCWeekPs2 },
"d.com": {
paramSet1: expScoreDWeekPlusPs1,
paramSet2: expScoreDWeekPlusPs2,
},
};
const scores = instance.calculateAllUserDomainAffinityScores();
assert.deepEqual(expectedScores, scores);
});
it("should return domain affinities", () => {
const scores = {
"a.com": {
paramSet1: 1,
paramSet2: 0.9,
},
};
instance = new UserDomainAffinityProvider(
TIME_SEGMENTS,
PARAMETER_SETS,
100,
"v1",
scores
);
const expectedAffinities = {
timeSegments: TIME_SEGMENTS,
parameterSets: PARAMETER_SETS,
maxHistoryQueryResults: 100,
scores,
version: "v1",
};
assert.deepEqual(instance.getAffinities(), expectedAffinities);
});
});
describe("#score", () => {
it("should calculate item relevance score", () => {
const ps = instance.parameterSets.paramSet2;
const visitCounts = {
hour: { "a.com": 1, "b.com": 2 },
day: { "a.com": 4 },
week: { "c.com": 1 },
weekPlus: { "a.com": 1, "d.com": 3 },
};
instance.queryVisits = ts => visitCounts[ts.id];
instance.scores = instance.calculateAllUserDomainAffinityScores();
const testItem = {
domain_affinities: { "a.com": 1 },
item_score: 1,
parameter_set: "paramSet2",
};
const combinedDomainScore =
instance.scores["a.com"].paramSet2 *
Math.pow(ps.multiDomainBoost + 1, 1);
const expectedItemScore = instance.calculateScore(
combinedDomainScore,
ps.perfectCombinedDomainScore,
ps.combinedDomainFactor
);
const itemScore = instance.calculateItemRelevanceScore(testItem);
assert.equal(expectedItemScore, itemScore);
});
it("should calculate relevance score equal to item_score if item has no domain affinities", () => {
const testItem = { item_score: 0.985 };
const itemScore = instance.calculateItemRelevanceScore(testItem);
assert.equal(testItem.item_score, itemScore);
});
it("should calculate scores with factor", () => {
assert.equal(1, instance.calculateScore(2, 1, 0.5));
assert.equal(0.5, instance.calculateScore(0.5, 1, 0.5));
assert.isBelow(instance.calculateScore(0.5, 1, 0.49), 1);
assert.isBelow(instance.calculateScore(0.5, 1, 0.51), 1);
});
});
});
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