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codeql-action/lib/feature-flags.test.js
Henry Mercer 9df773d1a3 Remove unneeded apiDetails input to getApiClient
2022-11-14 19:55:30 +00:00

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"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const ava_1 = __importDefault(require("ava"));
const feature_flags_1 = require("./feature-flags");
const logging_1 = require("./logging");
const repository_1 = require("./repository");
const testing_utils_1 = require("./testing-utils");
const util_1 = require("./util");
(0, testing_utils_1.setupTests)(ava_1.default);
ava_1.default.beforeEach(() => {
(0, util_1.initializeEnvironment)("1.2.3");
});
const testRepositoryNwo = (0, repository_1.parseRepositoryNwo)("github/example");
const ALL_FEATURES_DISABLED_VARIANTS = [
{
description: "GHES",
gitHubVersion: { type: util_1.GitHubVariant.GHES, version: "3.0.0" },
},
{ description: "GHAE", gitHubVersion: { type: util_1.GitHubVariant.GHAE } },
];
for (const variant of ALL_FEATURES_DISABLED_VARIANTS) {
(0, ava_1.default)(`All features are disabled if running against ${variant.description}`, async (t) => {
await (0, util_1.withTmpDir)(async (tmpDir) => {
const loggedMessages = [];
const featureEnablement = setUpTests(tmpDir, (0, testing_utils_1.getRecordingLogger)(loggedMessages), variant.gitHubVersion);
for (const feature of Object.values(feature_flags_1.Feature)) {
t.false(await featureEnablement.getValue(feature, includeCodeQlIfRequired(feature)));
}
t.assert(loggedMessages.find((v) => v.type === "debug" &&
v.message ===
"Not running against github.com. Disabling all toggleable features.") !== undefined);
});
});
}
(0, ava_1.default)("API response missing", async (t) => {
await (0, util_1.withTmpDir)(async (tmpDir) => {
const loggedMessages = [];
const featureEnablement = setUpTests(tmpDir, (0, testing_utils_1.getRecordingLogger)(loggedMessages));
(0, testing_utils_1.mockFeatureFlagApiEndpoint)(403, {});
for (const feature of Object.values(feature_flags_1.Feature)) {
t.assert((await featureEnablement.getValue(feature, includeCodeQlIfRequired(feature))) === false);
}
assertAllFeaturesUndefinedInApi(t, loggedMessages);
});
});
(0, ava_1.default)("Features are disabled if they're not returned in API response", async (t) => {
await (0, util_1.withTmpDir)(async (tmpDir) => {
const loggedMessages = [];
const featureEnablement = setUpTests(tmpDir, (0, testing_utils_1.getRecordingLogger)(loggedMessages));
(0, testing_utils_1.mockFeatureFlagApiEndpoint)(200, {});
for (const feature of Object.values(feature_flags_1.Feature)) {
t.assert((await featureEnablement.getValue(feature, includeCodeQlIfRequired(feature))) === false);
}
assertAllFeaturesUndefinedInApi(t, loggedMessages);
});
});
(0, ava_1.default)("Feature flags exception is propagated if the API request errors", async (t) => {
await (0, util_1.withTmpDir)(async (tmpDir) => {
const featureEnablement = setUpTests(tmpDir);
(0, testing_utils_1.mockFeatureFlagApiEndpoint)(500, {});
await t.throwsAsync(async () => featureEnablement.getValue(feature_flags_1.Feature.MlPoweredQueriesEnabled, includeCodeQlIfRequired(feature_flags_1.Feature.MlPoweredQueriesEnabled)), {
message: "Encountered an error while trying to determine feature enablement: Error: some error message",
});
});
});
for (const feature of Object.keys(feature_flags_1.featureConfig)) {
(0, ava_1.default)(`Only feature '${feature}' is enabled if enabled in the API response. Other features disabled`, async (t) => {
await (0, util_1.withTmpDir)(async (tmpDir) => {
const featureEnablement = setUpTests(tmpDir);
// set all features to false except the one we're testing
const expectedFeatureEnablement = {};
for (const f of Object.keys(feature_flags_1.featureConfig)) {
expectedFeatureEnablement[f] = f === feature;
}
(0, testing_utils_1.mockFeatureFlagApiEndpoint)(200, expectedFeatureEnablement);
// retrieve the values of the actual features
const actualFeatureEnablement = {};
for (const f of Object.keys(feature_flags_1.featureConfig)) {
actualFeatureEnablement[f] = await featureEnablement.getValue(f, includeCodeQlIfRequired(f));
}
// All features should be false except the one we're testing
t.deepEqual(actualFeatureEnablement, expectedFeatureEnablement);
});
});
(0, ava_1.default)(`Only feature '${feature}' is enabled if the associated environment variable is true. Others disabled.`, async (t) => {
await (0, util_1.withTmpDir)(async (tmpDir) => {
const featureEnablement = setUpTests(tmpDir);
const expectedFeatureEnablement = initializeFeatures(false);
(0, testing_utils_1.mockFeatureFlagApiEndpoint)(200, expectedFeatureEnablement);
// feature should be disabled initially
t.assert(!(await featureEnablement.getValue(feature, includeCodeQlIfRequired(feature))));
// set env var to true and check that the feature is now enabled
process.env[feature_flags_1.featureConfig[feature].envVar] = "true";
t.assert(await featureEnablement.getValue(feature, includeCodeQlIfRequired(feature)));
});
});
(0, ava_1.default)(`Feature '${feature}' is disabled if the associated environment variable is false, even if enabled in API`, async (t) => {
await (0, util_1.withTmpDir)(async (tmpDir) => {
const featureEnablement = setUpTests(tmpDir);
const expectedFeatureEnablement = initializeFeatures(true);
(0, testing_utils_1.mockFeatureFlagApiEndpoint)(200, expectedFeatureEnablement);
// feature should be enabled initially
t.assert(await featureEnablement.getValue(feature, includeCodeQlIfRequired(feature)));
// set env var to false and check that the feature is now disabled
process.env[feature_flags_1.featureConfig[feature].envVar] = "false";
t.assert(!(await featureEnablement.getValue(feature, includeCodeQlIfRequired(feature))));
});
});
if (feature_flags_1.featureConfig[feature].minimumVersion !== undefined) {
(0, ava_1.default)(`Getting feature '${feature} should throw if no codeql is provided`, async (t) => {
await (0, util_1.withTmpDir)(async (tmpDir) => {
const featureEnablement = setUpTests(tmpDir);
const expectedFeatureEnablement = initializeFeatures(true);
(0, testing_utils_1.mockFeatureFlagApiEndpoint)(200, expectedFeatureEnablement);
await t.throwsAsync(async () => featureEnablement.getValue(feature), {
message: `Internal error: A minimum version is specified for feature ${feature}, but no instance of CodeQL was provided.`,
});
});
});
}
if (feature_flags_1.featureConfig[feature].minimumVersion !== undefined) {
(0, ava_1.default)(`Feature '${feature}' is disabled if the minimum CLI version is below ${feature_flags_1.featureConfig[feature].minimumVersion}`, async (t) => {
await (0, util_1.withTmpDir)(async (tmpDir) => {
const featureEnablement = setUpTests(tmpDir);
const expectedFeatureEnablement = initializeFeatures(true);
(0, testing_utils_1.mockFeatureFlagApiEndpoint)(200, expectedFeatureEnablement);
// feature should be disabled when an old CLI version is set
let codeql = (0, testing_utils_1.mockCodeQLVersion)("2.0.0");
t.assert(!(await featureEnablement.getValue(feature, codeql)));
// even setting the env var to true should not enable the feature if
// the minimum CLI version is not met
process.env[feature_flags_1.featureConfig[feature].envVar] = "true";
t.assert(!(await featureEnablement.getValue(feature, codeql)));
// feature should be enabled when a new CLI version is set
// and env var is not set
process.env[feature_flags_1.featureConfig[feature].envVar] = "";
codeql = (0, testing_utils_1.mockCodeQLVersion)(feature_flags_1.featureConfig[feature].minimumVersion);
t.assert(await featureEnablement.getValue(feature, codeql));
// set env var to false and check that the feature is now disabled
process.env[feature_flags_1.featureConfig[feature].envVar] = "false";
t.assert(!(await featureEnablement.getValue(feature, codeql)));
});
});
}
}
// If we ever run into a situation where we no longer have any features that
// specify a minimum version, then we will have a bunch of code no longer being
// tested. This is unlikely, and this test will fail if that happens.
// If we do end up in that situation, then we should consider adding a synthetic
// feature with a minimum version that is only used for tests.
(0, ava_1.default)("At least one feature has a minimum version specified", (t) => {
t.assert(Object.values(feature_flags_1.featureConfig).some((f) => f.minimumVersion !== undefined), "At least one feature should have a minimum version specified");
// An even less likely scenario is that we no longer have any features.
t.assert(Object.values(feature_flags_1.featureConfig).length > 0, "There should be at least one feature");
});
function assertAllFeaturesUndefinedInApi(t, loggedMessages) {
for (const feature of Object.keys(feature_flags_1.featureConfig)) {
t.assert(loggedMessages.find((v) => v.type === "debug" &&
v.message.includes(feature) &&
v.message.includes("considering it disabled")) !== undefined);
}
}
function initializeFeatures(initialValue) {
return Object.keys(feature_flags_1.featureConfig).reduce((features, key) => {
features[key] = initialValue;
return features;
}, {});
}
function setUpTests(tmpDir, logger = (0, logging_1.getRunnerLogger)(true), gitHubVersion = { type: util_1.GitHubVariant.DOTCOM }) {
(0, testing_utils_1.setupActionsVars)(tmpDir, tmpDir);
return new feature_flags_1.Features(gitHubVersion, testRepositoryNwo, logger);
}
function includeCodeQlIfRequired(feature) {
return feature_flags_1.featureConfig[feature].minimumVersion !== undefined
? (0, testing_utils_1.mockCodeQLVersion)("9.9.9")
: undefined;
}
//# sourceMappingURL=feature-flags.test.js.map
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