Add analysis-kinds input and parse it

src/analyses.test.ts

@@ -0,0 +1,36 @@
+import test from "ava";
+
+import {
+  AnalysisKind,
+  parseAnalysisKinds,
+  supportedAnalysisKinds,
+} from "./analyses";
+import { ConfigurationError } from "./util";
+
+test("All known analysis kinds can be parsed successfully", async (t) => {
+  for (const analysisKind of supportedAnalysisKinds) {
+    t.deepEqual(await parseAnalysisKinds(analysisKind), [analysisKind]);
+  }
+});
+
+test("Parsing analysis kinds returns unique results", async (t) => {
+  const analysisKinds = await parseAnalysisKinds(
+    "code-scanning,code-quality,code-scanning",
+  );
+  t.deepEqual(analysisKinds, [
+    AnalysisKind.CodeScanning,
+    AnalysisKind.CodeQuality,
+  ]);
+});
+
+test("Parsing an unknown analysis kind fails with a configuration error", async (t) => {
+  await t.throwsAsync(parseAnalysisKinds("code-scanning,foo"), {
+    instanceOf: ConfigurationError,
+  });
+});
+
+test("Parsing analysis kinds requires at least one analysis kind", async (t) => {
+  await t.throwsAsync(parseAnalysisKinds(","), {
+    instanceOf: ConfigurationError,
+  });
+});

src/analyses.ts

@@ -1,4 +1,40 @@
+import { ConfigurationError } from "./util";
+
 export enum AnalysisKind {
   CodeScanning = "code-scanning",
   CodeQuality = "code-quality",
 }
+
+// Exported for testing. A set of all known analysis kinds.
+export const supportedAnalysisKinds = new Set(Object.values(AnalysisKind));
+
+/**
+ * Parses a comma-separated string into a list of unique analysis kinds.
+ * Throws a configuration error if the input contains unknown analysis kinds
+ * or doesn't contain at least one element.
+ *
+ * @param input The comma-separated string to parse.
+ * @returns The array of unique analysis kinds that were parsed from the input string.
+ */
+export async function parseAnalysisKinds(
+  input: string,
+): Promise<AnalysisKind[]> {
+  const components = input.split(",");
+
+  if (components.length < 1) {
+    throw new ConfigurationError(
+      "At least one analysis kind must be configured.",
+    );
+  }
+
+  for (const component of components) {
+    if (!supportedAnalysisKinds.has(component as AnalysisKind)) {
+      throw new ConfigurationError(`Unknown analysis kind: ${component}`);
+    }
+  }
+
+  // Return all unique elements.
+  return Array.from(
+    new Set(components.map((component) => component as AnalysisKind)),
+  );
+}

src/config-utils.test.ts

@@ -7,6 +7,7 @@ import * as yaml from "js-yaml";
 import * as sinon from "sinon";
 
 import * as actionsUtil from "./actions-util";
+import { AnalysisKind } from "./analyses";
 import * as api from "./api-client";
 import { CachingKind } from "./caching-utils";
 import { createStubCodeQL } from "./codeql";
@@ -47,6 +48,7 @@ function createTestInitConfigInputs(
   return Object.assign(
     {},
     {
+      analysisKindsInput: "code-scanning",
       languagesInput: undefined,
       queriesInput: undefined,
       qualityQueriesInput: undefined,
@@ -322,6 +324,7 @@ test("load non-empty input", async (t) => {
 
     // And the config we expect it to parse to
     const expectedConfig: configUtils.Config = {
+      analysisKinds: [AnalysisKind.CodeScanning],
       languages: [KnownLanguage.javascript],
       buildMode: BuildMode.None,
       originalUserInput: {

src/config-utils.ts

@@ -6,6 +6,7 @@ import * as yaml from "js-yaml";
 import * as semver from "semver";
 
 import { isAnalyzingPullRequest } from "./actions-util";
+import { AnalysisKind, parseAnalysisKinds } from "./analyses";
 import * as api from "./api-client";
 import { CachingKind, getCachingKind } from "./caching-utils";
 import { type CodeQL } from "./codeql";
@@ -93,6 +94,10 @@ interface IncludeQueryFilter {
  * Format of the parsed config file.
  */
 export interface Config {
+  /**
+   * Set of analysis kinds that are enabled.
+   */
+  analysisKinds: AnalysisKind[];
   /**
    * Set of languages to run analysis for.
    */
@@ -483,6 +488,7 @@ export async function getRawLanguages(
 
 /** Inputs required to initialize a configuration. */
 export interface InitConfigInputs {
+  analysisKindsInput: string;
   languagesInput: string | undefined;
   queriesInput: string | undefined;
   qualityQueriesInput: string | undefined;
@@ -511,6 +517,7 @@ export interface InitConfigInputs {
  * Get the default config, populated without user configuration file.
  */
 export async function getDefaultConfig({
+  analysisKindsInput,
   languagesInput,
   queriesInput,
   qualityQueriesInput,
@@ -530,6 +537,8 @@ export async function getDefaultConfig({
   features,
   logger,
 }: InitConfigInputs): Promise<Config> {
+  const analysisKinds = await parseAnalysisKinds(analysisKindsInput);
+
   const languages = await getLanguages(
     codeql,
     languagesInput,
@@ -560,6 +569,7 @@ export async function getDefaultConfig({
   );
 
   return {
+    analysisKinds,
     languages,
     buildMode,
     originalUserInput: {},

src/init-action.ts

@@ -385,6 +385,7 @@ async function run() {
     }
 
     config = await initConfig({
+      analysisKindsInput: getRequiredInput("analysis-kinds"),
       languagesInput: getOptionalInput("languages"),
       queriesInput: getOptionalInput("queries"),
       qualityQueriesInput: getOptionalInput("quality-queries"),