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import * as fs from "fs";
import path from "path";
import * as actionsCache from "@actions/cache";
import * as glob from "@actions/glob";
import test from "ava";
import * as sinon from "sinon";
import { cacheKeyHashLength } from "./caching-utils";
import * as cachingUtils from "./caching-utils";
import { createStubCodeQL } from "./codeql";
import {
CacheConfig,
checkHashPatterns,
getCsharpHashPatterns,
getFeaturePrefix,
makePatternCheck,
internal,
CSHARP_BASE_PATTERNS,
CSHARP_EXTRA_PATTERNS,
downloadDependencyCaches,
CacheHitKind,
cacheKey,
getCsharpDependencyDirs,
getCsharpTempDependencyDir,
uploadDependencyCaches,
CacheStoreResult,
} from "./dependency-caching";
import { Feature } from "./feature-flags";
import { BuiltInLanguage } from "./languages";
import {
setupTests,
createFeatures,
getRecordingLogger,
checkExpectedLogMessages,
LoggedMessage,
createTestConfig,
} from "./testing-utils";
import { withTmpDir } from "./util";
setupTests(test);
function makeAbsolutePatterns(tmpDir: string, patterns: string[]): string[] {
return patterns.map((pattern) => path.join(tmpDir, pattern));
}
test.serial(
"getCsharpDependencyDirs - does not include BMN dir if FF is disabled",
async (t) => {
await withTmpDir(async (tmpDir) => {
process.env["RUNNER_TEMP"] = tmpDir;
const codeql = createStubCodeQL({});
const features = createFeatures([]);
const results = await getCsharpDependencyDirs(codeql, features);
t.false(results.includes(getCsharpTempDependencyDir()));
});
},
);
test.serial(
"getCsharpDependencyDirs - includes BMN dir if FF is enabled",
async (t) => {
await withTmpDir(async (tmpDir) => {
process.env["RUNNER_TEMP"] = tmpDir;
const codeql = createStubCodeQL({});
const features = createFeatures([Feature.CsharpCacheBuildModeNone]);
const results = await getCsharpDependencyDirs(codeql, features);
t.assert(results.includes(getCsharpTempDependencyDir()));
});
},
);
test("makePatternCheck - returns undefined if no patterns match", async (t) => {
await withTmpDir(async (tmpDir) => {
fs.writeFileSync(path.join(tmpDir, "test.java"), "");
const result = await makePatternCheck(
makeAbsolutePatterns(tmpDir, ["**/*.cs"]),
);
t.is(result, undefined);
});
});
test("makePatternCheck - returns all patterns if any pattern matches", async (t) => {
await withTmpDir(async (tmpDir) => {
fs.writeFileSync(path.join(tmpDir, "test.java"), "");
const patterns = makeAbsolutePatterns(tmpDir, ["**/*.cs", "**/*.java"]);
const result = await makePatternCheck(patterns);
t.deepEqual(result, patterns);
});
});
test.serial(
"getCsharpHashPatterns - returns base patterns if any pattern matches",
async (t) => {
const codeql = createStubCodeQL({});
const features = createFeatures([]);
const makePatternCheckStub = sinon.stub(internal, "makePatternCheck");
makePatternCheckStub
.withArgs(CSHARP_BASE_PATTERNS)
.resolves(CSHARP_BASE_PATTERNS);
makePatternCheckStub.withArgs(CSHARP_EXTRA_PATTERNS).rejects();
await t.notThrowsAsync(async () => {
const result = await getCsharpHashPatterns(codeql, features);
t.deepEqual(result, CSHARP_BASE_PATTERNS);
});
},
);
test.serial(
"getCsharpHashPatterns - returns base patterns if any base pattern matches and CsharpNewCacheKey is enabled",
async (t) => {
const codeql = createStubCodeQL({});
const features = createFeatures([Feature.CsharpNewCacheKey]);
const makePatternCheckStub = sinon.stub(internal, "makePatternCheck");
makePatternCheckStub
.withArgs(CSHARP_BASE_PATTERNS)
.resolves(CSHARP_BASE_PATTERNS);
makePatternCheckStub
.withArgs(CSHARP_EXTRA_PATTERNS)
.resolves(CSHARP_EXTRA_PATTERNS);
await t.notThrowsAsync(async () => {
const result = await getCsharpHashPatterns(codeql, features);
t.deepEqual(result, CSHARP_BASE_PATTERNS);
});
},
);
test.serial(
"getCsharpHashPatterns - returns extra patterns if any extra pattern matches and CsharpNewCacheKey is enabled",
async (t) => {
const codeql = createStubCodeQL({});
const features = createFeatures([Feature.CsharpNewCacheKey]);
const makePatternCheckStub = sinon.stub(internal, "makePatternCheck");
makePatternCheckStub.withArgs(CSHARP_BASE_PATTERNS).resolves(undefined);
makePatternCheckStub
.withArgs(CSHARP_EXTRA_PATTERNS)
.resolves(CSHARP_EXTRA_PATTERNS);
await t.notThrowsAsync(async () => {
const result = await getCsharpHashPatterns(codeql, features);
t.deepEqual(result, CSHARP_EXTRA_PATTERNS);
});
},
);
test.serial(
"getCsharpHashPatterns - returns undefined if neither base nor extra patterns match",
async (t) => {
const codeql = createStubCodeQL({});
const features = createFeatures([Feature.CsharpNewCacheKey]);
const makePatternCheckStub = sinon.stub(internal, "makePatternCheck");
makePatternCheckStub.withArgs(CSHARP_BASE_PATTERNS).resolves(undefined);
makePatternCheckStub.withArgs(CSHARP_EXTRA_PATTERNS).resolves(undefined);
await t.notThrowsAsync(async () => {
const result = await getCsharpHashPatterns(codeql, features);
t.deepEqual(result, undefined);
});
},
);
test("checkHashPatterns - logs when no patterns match", async (t) => {
const codeql = createStubCodeQL({});
const features = createFeatures([]);
const messages: LoggedMessage[] = [];
const config: CacheConfig = {
getDependencyPaths: async () => [],
getHashPatterns: async () => undefined,
};
const result = await checkHashPatterns(
codeql,
features,
BuiltInLanguage.csharp,
config,
"download",
getRecordingLogger(messages),
);
t.is(result, undefined);
checkExpectedLogMessages(t, messages, [
"Skipping download of dependency cache",
]);
});
test("checkHashPatterns - returns patterns when patterns match", async (t) => {
await withTmpDir(async (tmpDir) => {
const codeql = createStubCodeQL({});
const features = createFeatures([]);
const messages: LoggedMessage[] = [];
const patterns = makeAbsolutePatterns(tmpDir, ["**/*.cs", "**/*.java"]);
fs.writeFileSync(path.join(tmpDir, "test.java"), "");
const config: CacheConfig = {
getDependencyPaths: async () => [],
getHashPatterns: async () => makePatternCheck(patterns),
};
const result = await checkHashPatterns(
codeql,
features,
BuiltInLanguage.csharp,
config,
"upload",
getRecordingLogger(messages),
);
t.deepEqual(result, patterns);
t.deepEqual(messages, []);
});
});
type RestoreCacheFunc = (
paths: string[],
primaryKey: string,
restoreKeys: string[] | undefined,
) => Promise<string | undefined>;
/**
* Constructs a function that `actionsCache.restoreCache` can be stubbed with.
*
* @param mockCacheKeys The keys of caches that we want to exist in the Actions cache.
*
* @returns Returns a function that `actionsCache.restoreCache` can be stubbed with.
*/
function makeMockCacheCheck(mockCacheKeys: string[]): RestoreCacheFunc {
return async (
_paths: string[],
primaryKey: string,
restoreKeys: string[] | undefined,
) => {
// The behaviour here mirrors what the real `restoreCache` would do:
// - Starting with the primary restore key, check all caches for a match:
// even for the primary restore key, this only has to be a prefix match.
// - If the primary restore key doesn't prefix-match any cache, then proceed
// in the same way for each restore key in turn.
for (const restoreKey of [primaryKey, ...(restoreKeys || [])]) {
for (const mockCacheKey of mockCacheKeys) {
if (mockCacheKey.startsWith(restoreKey)) {
return mockCacheKey;
}
}
}
// Only if no restore key matches any cache key prefix, there is no matching
// cache and we return `undefined`.
return undefined;
};
}
test.serial(
"downloadDependencyCaches - does not restore caches with feature keys if no features are enabled",
async (t) => {
process.env["RUNNER_OS"] = "Linux";
const codeql = createStubCodeQL({});
const messages: LoggedMessage[] = [];
const logger = getRecordingLogger(messages);
sinon.stub(glob, "hashFiles").resolves("abcdef");
const keyWithFeature = await cacheKey(
codeql,
createFeatures([Feature.CsharpNewCacheKey]),
BuiltInLanguage.csharp,
// Patterns don't matter here because we have stubbed `hashFiles` to always return a specific hash above.
[],
);
const restoreCacheStub = sinon
.stub(actionsCache, "restoreCache")
.callsFake(makeMockCacheCheck([keyWithFeature]));
const makePatternCheckStub = sinon.stub(internal, "makePatternCheck");
makePatternCheckStub
.withArgs(CSHARP_BASE_PATTERNS)
.resolves(CSHARP_BASE_PATTERNS);
makePatternCheckStub.withArgs(CSHARP_EXTRA_PATTERNS).resolves(undefined);
const result = await downloadDependencyCaches(
codeql,
createFeatures([]),
[BuiltInLanguage.csharp],
logger,
);
const statusReport = result.statusReport;
t.is(statusReport.length, 1);
t.is(statusReport[0].language, BuiltInLanguage.csharp);
t.is(statusReport[0].hit_kind, CacheHitKind.Miss);
t.deepEqual(result.restoredKeys, []);
t.assert(restoreCacheStub.calledOnce);
},
);
test.serial(
"downloadDependencyCaches - restores caches with feature keys if features are enabled",
async (t) => {
process.env["RUNNER_OS"] = "Linux";
const codeql = createStubCodeQL({});
const messages: LoggedMessage[] = [];
const logger = getRecordingLogger(messages);
const features = createFeatures([Feature.CsharpNewCacheKey]);
const mockHash = "abcdef";
sinon.stub(glob, "hashFiles").resolves(mockHash);
const keyWithFeature = await cacheKey(
codeql,
features,
BuiltInLanguage.csharp,
// Patterns don't matter here because we have stubbed `hashFiles` to always return a specific hash above.
[],
);
const restoreCacheStub = sinon
.stub(actionsCache, "restoreCache")
.callsFake(makeMockCacheCheck([keyWithFeature]));
const makePatternCheckStub = sinon.stub(internal, "makePatternCheck");
makePatternCheckStub
.withArgs(CSHARP_BASE_PATTERNS)
.resolves(CSHARP_BASE_PATTERNS);
makePatternCheckStub.withArgs(CSHARP_EXTRA_PATTERNS).resolves(undefined);
const result = await downloadDependencyCaches(
codeql,
features,
[BuiltInLanguage.csharp],
logger,
);
// Check that the status report for telemetry indicates that one cache was restored with an exact match.
const statusReport = result.statusReport;
t.is(statusReport.length, 1);
t.is(statusReport[0].language, BuiltInLanguage.csharp);
t.is(statusReport[0].hit_kind, CacheHitKind.Exact);
// Check that the restored key has been returned.
const restoredKeys = result.restoredKeys;
t.is(restoredKeys.length, 1);
t.assert(
restoredKeys[0].endsWith(mockHash),
"Expected restored key to end with hash returned by `hashFiles`",
);
// `restoreCache` should have been called exactly once.
t.assert(restoreCacheStub.calledOnce);
},
);
test.serial(
"downloadDependencyCaches - restores caches with feature keys if features are enabled for partial matches",
async (t) => {
process.env["RUNNER_OS"] = "Linux";
const codeql = createStubCodeQL({});
const messages: LoggedMessage[] = [];
const logger = getRecordingLogger(messages);
const features = createFeatures([Feature.CsharpNewCacheKey]);
// We expect two calls to `hashFiles`: the first by the call to `cacheKey` below,
// and the second by `downloadDependencyCaches`. We use the result of the first
// call as part of the cache key that identifies a mock, existing cache. The result
// of the second call is for the primary restore key, which we don't want to match
// the first key so that we can test the restore keys logic.
const restoredHash = "abcdef";
const hashFilesStub = sinon.stub(glob, "hashFiles");
hashFilesStub.onFirstCall().resolves(restoredHash);
hashFilesStub.onSecondCall().resolves("123456");
const keyWithFeature = await cacheKey(
codeql,
features,
BuiltInLanguage.csharp,
// Patterns don't matter here because we have stubbed `hashFiles` to always return a specific hash above.
[],
);
const restoreCacheStub = sinon
.stub(actionsCache, "restoreCache")
.callsFake(makeMockCacheCheck([keyWithFeature]));
const makePatternCheckStub = sinon.stub(internal, "makePatternCheck");
makePatternCheckStub
.withArgs(CSHARP_BASE_PATTERNS)
.resolves(CSHARP_BASE_PATTERNS);
makePatternCheckStub.withArgs(CSHARP_EXTRA_PATTERNS).resolves(undefined);
const result = await downloadDependencyCaches(
codeql,
features,
[BuiltInLanguage.csharp],
logger,
);
// Check that the status report for telemetry indicates that one cache was restored with a partial match.
const statusReport = result.statusReport;
t.is(statusReport.length, 1);
t.is(statusReport[0].language, BuiltInLanguage.csharp);
t.is(statusReport[0].hit_kind, CacheHitKind.Partial);
// Check that the restored key has been returned.
const restoredKeys = result.restoredKeys;
t.is(restoredKeys.length, 1);
t.assert(
restoredKeys[0].endsWith(restoredHash),
"Expected restored key to end with hash returned by `hashFiles`",
);
t.assert(restoreCacheStub.calledOnce);
},
);
test("uploadDependencyCaches - skips upload for a language with no cache config", async (t) => {
const codeql = createStubCodeQL({});
const messages: LoggedMessage[] = [];
const logger = getRecordingLogger(messages);
const features = createFeatures([]);
const config = createTestConfig({
languages: [BuiltInLanguage.actions],
});
const result = await uploadDependencyCaches(codeql, features, config, logger);
t.is(result.length, 0);
checkExpectedLogMessages(t, messages, [
"Skipping upload of dependency cache for actions",
]);
});
test.serial(
"uploadDependencyCaches - skips upload if no files for the hash exist",
async (t) => {
const codeql = createStubCodeQL({});
const messages: LoggedMessage[] = [];
const logger = getRecordingLogger(messages);
const features = createFeatures([]);
const config = createTestConfig({
languages: [BuiltInLanguage.go],
});
const makePatternCheckStub = sinon.stub(internal, "makePatternCheck");
makePatternCheckStub.resolves(undefined);
const result = await uploadDependencyCaches(
codeql,
features,
config,
logger,
);
t.is(result.length, 1);
t.is(result[0].language, BuiltInLanguage.go);
t.is(result[0].result, CacheStoreResult.NoHash);
},
);
test.serial(
"uploadDependencyCaches - skips upload if we know the cache already exists",
async (t) => {
process.env["RUNNER_OS"] = "Linux";
const codeql = createStubCodeQL({});
const messages: LoggedMessage[] = [];
const logger = getRecordingLogger(messages);
const features = createFeatures([]);
const mockHash = "abcdef";
sinon.stub(glob, "hashFiles").resolves(mockHash);
const makePatternCheckStub = sinon.stub(internal, "makePatternCheck");
makePatternCheckStub
.withArgs(CSHARP_BASE_PATTERNS)
.resolves(CSHARP_BASE_PATTERNS);
const primaryCacheKey = await cacheKey(
codeql,
features,
BuiltInLanguage.csharp,
CSHARP_BASE_PATTERNS,
);
const config = createTestConfig({
languages: [BuiltInLanguage.csharp],
dependencyCachingRestoredKeys: [primaryCacheKey],
});
const result = await uploadDependencyCaches(
codeql,
features,
config,
logger,
);
t.is(result.length, 1);
t.is(result[0].language, BuiltInLanguage.csharp);
t.is(result[0].result, CacheStoreResult.Duplicate);
},
);
test.serial(
"uploadDependencyCaches - skips upload if cache size is 0",
async (t) => {
process.env["RUNNER_OS"] = "Linux";
const codeql = createStubCodeQL({});
const messages: LoggedMessage[] = [];
const logger = getRecordingLogger(messages);
const features = createFeatures([]);
const mockHash = "abcdef";
sinon.stub(glob, "hashFiles").resolves(mockHash);
const makePatternCheckStub = sinon.stub(internal, "makePatternCheck");
makePatternCheckStub
.withArgs(CSHARP_BASE_PATTERNS)
.resolves(CSHARP_BASE_PATTERNS);
sinon.stub(cachingUtils, "getTotalCacheSize").resolves(0);
const config = createTestConfig({
languages: [BuiltInLanguage.csharp],
});
const result = await uploadDependencyCaches(
codeql,
features,
config,
logger,
);
t.is(result.length, 1);
t.is(result[0].language, BuiltInLanguage.csharp);
t.is(result[0].result, CacheStoreResult.Empty);
checkExpectedLogMessages(t, messages, [
"Skipping upload of dependency cache",
]);
},
);
test.serial(
"uploadDependencyCaches - uploads caches when all requirements are met",
async (t) => {
process.env["RUNNER_OS"] = "Linux";
const codeql = createStubCodeQL({});
const messages: LoggedMessage[] = [];
const logger = getRecordingLogger(messages);
const features = createFeatures([]);
const mockHash = "abcdef";
sinon.stub(glob, "hashFiles").resolves(mockHash);
const makePatternCheckStub = sinon.stub(internal, "makePatternCheck");
makePatternCheckStub
.withArgs(CSHARP_BASE_PATTERNS)
.resolves(CSHARP_BASE_PATTERNS);
sinon.stub(cachingUtils, "getTotalCacheSize").resolves(1024);
sinon.stub(actionsCache, "saveCache").resolves();
const config = createTestConfig({
languages: [BuiltInLanguage.csharp],
});
const result = await uploadDependencyCaches(
codeql,
features,
config,
logger,
);
t.is(result.length, 1);
t.is(result[0].language, BuiltInLanguage.csharp);
t.is(result[0].result, CacheStoreResult.Stored);
t.is(result[0].upload_size_bytes, 1024);
checkExpectedLogMessages(t, messages, ["Uploading cache of size"]);
},
);
test.serial(
"uploadDependencyCaches - catches `ReserveCacheError` exceptions",
async (t) => {
process.env["RUNNER_OS"] = "Linux";
const codeql = createStubCodeQL({});
const messages: LoggedMessage[] = [];
const logger = getRecordingLogger(messages);
const features = createFeatures([]);
const mockHash = "abcdef";
sinon.stub(glob, "hashFiles").resolves(mockHash);
const makePatternCheckStub = sinon.stub(internal, "makePatternCheck");
makePatternCheckStub
.withArgs(CSHARP_BASE_PATTERNS)
.resolves(CSHARP_BASE_PATTERNS);
sinon.stub(cachingUtils, "getTotalCacheSize").resolves(1024);
sinon
.stub(actionsCache, "saveCache")
.throws(new actionsCache.ReserveCacheError("Already in use"));
const config = createTestConfig({
languages: [BuiltInLanguage.csharp],
});
await t.notThrowsAsync(async () => {
const result = await uploadDependencyCaches(
codeql,
features,
config,
logger,
);
t.is(result.length, 1);
t.is(result[0].language, BuiltInLanguage.csharp);
t.is(result[0].result, CacheStoreResult.Duplicate);
checkExpectedLogMessages(t, messages, ["Not uploading cache for"]);
});
},
);
test.serial("uploadDependencyCaches - throws other exceptions", async (t) => {
process.env["RUNNER_OS"] = "Linux";
const codeql = createStubCodeQL({});
const messages: LoggedMessage[] = [];
const logger = getRecordingLogger(messages);
const features = createFeatures([]);
const mockHash = "abcdef";
sinon.stub(glob, "hashFiles").resolves(mockHash);
const makePatternCheckStub = sinon.stub(internal, "makePatternCheck");
makePatternCheckStub
.withArgs(CSHARP_BASE_PATTERNS)
.resolves(CSHARP_BASE_PATTERNS);
sinon.stub(cachingUtils, "getTotalCacheSize").resolves(1024);
sinon.stub(actionsCache, "saveCache").throws();
const config = createTestConfig({
languages: [BuiltInLanguage.csharp],
});
await t.throwsAsync(async () => {
await uploadDependencyCaches(codeql, features, config, logger);
});
});
test("getFeaturePrefix - returns empty string if no features are enabled", async (t) => {
const codeql = createStubCodeQL({});
const features = createFeatures([]);
for (const knownLanguage of Object.values(BuiltInLanguage)) {
const result = await getFeaturePrefix(codeql, features, knownLanguage);
t.deepEqual(result, "", `Expected no feature prefix for ${knownLanguage}`);
}
});
test("getFeaturePrefix - C# - returns prefix if CsharpNewCacheKey is enabled", async (t) => {
const codeql = createStubCodeQL({});
const features = createFeatures([Feature.CsharpNewCacheKey]);
const result = await getFeaturePrefix(
codeql,
features,
BuiltInLanguage.csharp,
);
t.notDeepEqual(result, "");
t.assert(result.endsWith("-"));
// Check the length of the prefix, which should correspond to `cacheKeyHashLength` + 1 for the trailing `-`.
t.is(result.length, cacheKeyHashLength + 1);
});
test("getFeaturePrefix - non-C# - returns '' if CsharpNewCacheKey is enabled", async (t) => {
const codeql = createStubCodeQL({});
const features = createFeatures([Feature.CsharpNewCacheKey]);
for (const knownLanguage of Object.values(BuiltInLanguage)) {
// Skip C# since we expect a result for it, which is tested in the previous test.
if (knownLanguage === BuiltInLanguage.csharp) {
continue;
}
const result = await getFeaturePrefix(codeql, features, knownLanguage);
t.deepEqual(result, "", `Expected no feature prefix for ${knownLanguage}`);
}
});
test("getFeaturePrefix - C# - returns prefix if CsharpCacheBuildModeNone is enabled", async (t) => {
const codeql = createStubCodeQL({});
const features = createFeatures([Feature.CsharpCacheBuildModeNone]);
const result = await getFeaturePrefix(
codeql,
features,
BuiltInLanguage.csharp,
);
t.notDeepEqual(result, "");
t.assert(result.endsWith("-"));
// Check the length of the prefix, which should correspond to `cacheKeyHashLength` + 1 for the trailing `-`.
t.is(result.length, cacheKeyHashLength + 1);
});
test("getFeaturePrefix - non-C# - returns '' if CsharpCacheBuildModeNone is enabled", async (t) => {
const codeql = createStubCodeQL({});
const features = createFeatures([Feature.CsharpCacheBuildModeNone]);
for (const knownLanguage of Object.values(BuiltInLanguage)) {
// Skip C# since we expect a result for it, which is tested in the previous test.
if (knownLanguage === BuiltInLanguage.csharp) {
continue;
}
const result = await getFeaturePrefix(codeql, features, knownLanguage);
t.deepEqual(result, "", `Expected no feature prefix for ${knownLanguage}`);
}
});