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import { TestParams } from '../../framework/fixture.js';
import { assert, objectEquals } from '../../util/util.js';
import { paramKeyIsPublic } from '../params_utils.js';
import { TestQuery } from './query.js';
export const enum Ordering {
Unordered,
StrictSuperset,
Equal,
StrictSubset,
}
/**
* Compares two queries for their ordering (which is used to build the tree).
*
* See src/unittests/query_compare.spec.ts for examples.
*/
export function compareQueries(a: TestQuery, b: TestQuery): Ordering {
if (a.suite !== b.suite) {
return Ordering.Unordered;
}
const filePathOrdering = comparePaths(a.filePathParts, b.filePathParts);
if (filePathOrdering !== Ordering.Equal || a.isMultiFile || b.isMultiFile) {
return compareOneLevel(filePathOrdering, a.isMultiFile, b.isMultiFile);
}
assert('testPathParts' in a && 'testPathParts' in b);
const testPathOrdering = comparePaths(a.testPathParts, b.testPathParts);
if (testPathOrdering !== Ordering.Equal || a.isMultiTest || b.isMultiTest) {
return compareOneLevel(testPathOrdering, a.isMultiTest, b.isMultiTest);
}
assert('params' in a && 'params' in b);
const paramsPathOrdering = comparePublicParamsPaths(a.params, b.params);
if (paramsPathOrdering !== Ordering.Equal || a.isMultiCase || b.isMultiCase) {
return compareOneLevel(paramsPathOrdering, a.isMultiCase, b.isMultiCase);
}
return Ordering.Equal;
}
/**
* Compares a single level of a query.
*
* "IsBig" means the query is big relative to the level, e.g. for test-level:
* - Anything >= `suite:a,*` is big
* - Anything <= `suite:a:*` is small
*/
function compareOneLevel(ordering: Ordering, aIsBig: boolean, bIsBig: boolean): Ordering {
assert(ordering !== Ordering.Equal || aIsBig || bIsBig);
if (ordering === Ordering.Unordered) return Ordering.Unordered;
if (aIsBig && bIsBig) return ordering;
if (!aIsBig && !bIsBig) return Ordering.Unordered; // Equal case is already handled
// Exactly one of (a, b) is big.
if (aIsBig && ordering !== Ordering.StrictSubset) return Ordering.StrictSuperset;
if (bIsBig && ordering !== Ordering.StrictSuperset) return Ordering.StrictSubset;
return Ordering.Unordered;
}
function comparePaths(a: readonly string[], b: readonly string[]): Ordering {
const shorter = Math.min(a.length, b.length);
for (let i = 0; i < shorter; ++i) {
if (a[i] !== b[i]) {
return Ordering.Unordered;
}
}
if (a.length === b.length) {
return Ordering.Equal;
} else if (a.length < b.length) {
return Ordering.StrictSuperset;
} else {
return Ordering.StrictSubset;
}
}
export function comparePublicParamsPaths(a: TestParams, b: TestParams): Ordering {
const aKeys = Object.keys(a).filter(k => paramKeyIsPublic(k));
const commonKeys = new Set(aKeys.filter(k => k in b));
for (const k of commonKeys) {
if (!objectEquals(a[k], b[k])) {
return Ordering.Unordered;
}
}
const bKeys = Object.keys(b).filter(k => paramKeyIsPublic(k));
const aRemainingKeys = aKeys.length - commonKeys.size;
const bRemainingKeys = bKeys.length - commonKeys.size;
if (aRemainingKeys === 0 && bRemainingKeys === 0) return Ordering.Equal;
if (aRemainingKeys === 0) return Ordering.StrictSuperset;
if (bRemainingKeys === 0) return Ordering.StrictSubset;
return Ordering.Unordered;
}
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