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diff-informed-analysis-utils.test.ts
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392 lines (359 loc) · 8.14 KB
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import test, { ExecutionContext } from "ava";
import * as sinon from "sinon";
import * as actionsUtil from "./actions-util";
import type { PullRequestBranches } from "./actions-util";
import * as apiClient from "./api-client";
import {
shouldPerformDiffInformedAnalysis,
exportedForTesting,
} from "./diff-informed-analysis-utils";
import { Feature, initFeatures } from "./feature-flags";
import { getRunnerLogger } from "./logging";
import { parseRepositoryNwo } from "./repository";
import {
setupTests,
mockCodeQLVersion,
mockFeatureFlagApiEndpoint,
setupActionsVars,
} from "./testing-utils";
import { GitHubVariant, withTmpDir } from "./util";
import type { GitHubVersion } from "./util";
setupTests(test);
interface DiffInformedAnalysisTestCase {
featureEnabled: boolean;
gitHubVersion: GitHubVersion;
pullRequestBranches: PullRequestBranches;
codeQLVersion: string;
diffInformedQueriesEnvVar?: boolean;
}
const defaultTestCase: DiffInformedAnalysisTestCase = {
featureEnabled: true,
gitHubVersion: {
type: GitHubVariant.DOTCOM,
},
pullRequestBranches: {
base: "main",
head: "feature-branch",
},
codeQLVersion: "2.21.0",
};
const testShouldPerformDiffInformedAnalysis = test.macro({
exec: async (
t: ExecutionContext,
_title: string,
partialTestCase: Partial<DiffInformedAnalysisTestCase>,
expectedResult: boolean,
) => {
return await withTmpDir(async (tmpDir) => {
setupActionsVars(tmpDir, tmpDir);
const testCase = { ...defaultTestCase, ...partialTestCase };
const logger = getRunnerLogger(true);
const codeql = mockCodeQLVersion(testCase.codeQLVersion);
if (testCase.diffInformedQueriesEnvVar !== undefined) {
process.env.CODEQL_ACTION_DIFF_INFORMED_QUERIES =
testCase.diffInformedQueriesEnvVar.toString();
} else {
delete process.env.CODEQL_ACTION_DIFF_INFORMED_QUERIES;
}
const features = initFeatures(
testCase.gitHubVersion,
parseRepositoryNwo("github/example"),
tmpDir,
logger,
);
mockFeatureFlagApiEndpoint(200, {
[Feature.DiffInformedQueries]: testCase.featureEnabled,
});
const getGitHubVersionStub = sinon
.stub(apiClient, "getGitHubVersion")
.resolves(testCase.gitHubVersion);
const getPullRequestBranchesStub = sinon
.stub(actionsUtil, "getPullRequestBranches")
.returns(testCase.pullRequestBranches);
const result = await shouldPerformDiffInformedAnalysis(
codeql,
features,
logger,
);
t.is(result, expectedResult);
delete process.env.CODEQL_ACTION_DIFF_INFORMED_QUERIES;
getGitHubVersionStub.restore();
getPullRequestBranchesStub.restore();
});
},
title: (_, title) => `shouldPerformDiffInformedAnalysis: ${title}`,
});
test.serial(
testShouldPerformDiffInformedAnalysis,
"returns true in the default test case",
{},
true,
);
test.serial(
testShouldPerformDiffInformedAnalysis,
"returns false when feature flag is disabled from the API",
{
featureEnabled: false,
},
false,
);
test.serial(
testShouldPerformDiffInformedAnalysis,
"returns false when CODEQL_ACTION_DIFF_INFORMED_QUERIES is set to false",
{
featureEnabled: true,
diffInformedQueriesEnvVar: false,
},
false,
);
test.serial(
testShouldPerformDiffInformedAnalysis,
"returns true when CODEQL_ACTION_DIFF_INFORMED_QUERIES is set to true",
{
featureEnabled: false,
diffInformedQueriesEnvVar: true,
},
true,
);
test.serial(
testShouldPerformDiffInformedAnalysis,
"returns false for CodeQL version 2.20.0",
{
codeQLVersion: "2.20.0",
},
false,
);
test.serial(
testShouldPerformDiffInformedAnalysis,
"returns false for invalid GHES version",
{
gitHubVersion: {
type: GitHubVariant.GHES,
version: "invalid-version",
},
},
false,
);
test.serial(
testShouldPerformDiffInformedAnalysis,
"returns false for GHES version 3.18.5",
{
gitHubVersion: {
type: GitHubVariant.GHES,
version: "3.18.5",
},
},
false,
);
test.serial(
testShouldPerformDiffInformedAnalysis,
"returns true for GHES version 3.19.0",
{
gitHubVersion: {
type: GitHubVariant.GHES,
version: "3.19.0",
},
},
true,
);
test.serial(
testShouldPerformDiffInformedAnalysis,
"returns false when not a pull request",
{
pullRequestBranches: undefined,
},
false,
);
function runGetDiffRanges(changes: number, patch: string[] | undefined): any {
sinon
.stub(actionsUtil, "getRequiredInput")
.withArgs("checkout_path")
.returns("/checkout/path");
return exportedForTesting.getDiffRanges(
{
filename: "test.txt",
changes,
patch: patch?.join("\n"),
},
getRunnerLogger(true),
);
}
test.serial("getDiffRanges: file unchanged", async (t) => {
const diffRanges = runGetDiffRanges(0, undefined);
t.deepEqual(diffRanges, []);
});
test.serial("getDiffRanges: file diff too large", async (t) => {
const diffRanges = runGetDiffRanges(1000000, undefined);
t.deepEqual(diffRanges, [
{
path: "/checkout/path/test.txt",
startLine: 0,
endLine: 0,
},
]);
});
test.serial(
"getDiffRanges: diff thunk with single addition range",
async (t) => {
const diffRanges = runGetDiffRanges(2, [
"@@ -30,6 +50,8 @@",
" a",
" b",
" c",
"+1",
"+2",
" d",
" e",
" f",
]);
t.deepEqual(diffRanges, [
{
path: "/checkout/path/test.txt",
startLine: 53,
endLine: 54,
},
]);
},
);
test.serial(
"getDiffRanges: diff thunk with single deletion range",
async (t) => {
const diffRanges = runGetDiffRanges(2, [
"@@ -30,8 +50,6 @@",
" a",
" b",
" c",
"-1",
"-2",
" d",
" e",
" f",
]);
t.deepEqual(diffRanges, []);
},
);
test.serial("getDiffRanges: diff thunk with single update range", async (t) => {
const diffRanges = runGetDiffRanges(2, [
"@@ -30,7 +50,7 @@",
" a",
" b",
" c",
"-1",
"+2",
" d",
" e",
" f",
]);
t.deepEqual(diffRanges, [
{
path: "/checkout/path/test.txt",
startLine: 53,
endLine: 53,
},
]);
});
test.serial("getDiffRanges: diff thunk with addition ranges", async (t) => {
const diffRanges = runGetDiffRanges(2, [
"@@ -30,7 +50,9 @@",
" a",
" b",
" c",
"+1",
" c",
"+2",
" d",
" e",
" f",
]);
t.deepEqual(diffRanges, [
{
path: "/checkout/path/test.txt",
startLine: 53,
endLine: 53,
},
{
path: "/checkout/path/test.txt",
startLine: 55,
endLine: 55,
},
]);
});
test.serial("getDiffRanges: diff thunk with mixed ranges", async (t) => {
const diffRanges = runGetDiffRanges(2, [
"@@ -30,7 +50,7 @@",
" a",
" b",
" c",
"-1",
" d",
"-2",
"+3",
" e",
" f",
"+4",
"+5",
" g",
" h",
" i",
]);
t.deepEqual(diffRanges, [
{
path: "/checkout/path/test.txt",
startLine: 54,
endLine: 54,
},
{
path: "/checkout/path/test.txt",
startLine: 57,
endLine: 58,
},
]);
});
test.serial("getDiffRanges: multiple diff thunks", async (t) => {
const diffRanges = runGetDiffRanges(2, [
"@@ -30,6 +50,8 @@",
" a",
" b",
" c",
"+1",
"+2",
" d",
" e",
" f",
"@@ -130,6 +150,8 @@",
" a",
" b",
" c",
"+1",
"+2",
" d",
" e",
" f",
]);
t.deepEqual(diffRanges, [
{
path: "/checkout/path/test.txt",
startLine: 53,
endLine: 54,
},
{
path: "/checkout/path/test.txt",
startLine: 153,
endLine: 154,
},
]);
});
test.serial("getDiffRanges: no diff context lines", async (t) => {
const diffRanges = runGetDiffRanges(2, ["@@ -30 +50,2 @@", "+1", "+2"]);
t.deepEqual(diffRanges, [
{
path: "/checkout/path/test.txt",
startLine: 50,
endLine: 51,
},
]);
});
test.serial("getDiffRanges: malformed thunk header", async (t) => {
const diffRanges = runGetDiffRanges(2, ["@@ 30 +50,2 @@", "+1", "+2"]);
t.deepEqual(diffRanges, undefined);
});