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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| import { spawnSync, SpawnSyncReturns } from 'child_process'; | ||
|
|
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| const failIfNoJavaEnv = 'CI'; | ||
|
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| const gradleJavaVersionSupport = { | ||
| 5: { min: 8, max: 12 }, | ||
| 6: { min: 8, max: 13 }, | ||
| }; | ||
|
|
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| const skipJava = process.env.SKIP_JAVA_TESTS === 'true'; | ||
| const enforceJava = process.env[failIfNoJavaEnv] === 'true' && !skipJava; | ||
|
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| function parseJavaVersion(javaVersionOutput: string): number { | ||
| const versionMatch = /version "(?:1\.)?(\d+)[\d._-]*"/.exec( | ||
| javaVersionOutput | ||
| ); | ||
| if (versionMatch !== null && versionMatch.length === 2) { | ||
| return parseInt(versionMatch[1], 10); | ||
| } | ||
| if (enforceJava) { | ||
| throw Error(`This test suite needs Java and ${failIfNoJavaEnv} is set. However, we cannot parse the Java version. | ||
| The output of java -version was: | ||
| ${javaVersionOutput}`); | ||
| } | ||
| return 0; | ||
| } | ||
|
|
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| let cachedJavaVersion: number | null = null; | ||
|
|
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| function determineJavaVersion(): number { | ||
| if (cachedJavaVersion == null) { | ||
| let javaVersionCommand: SpawnSyncReturns<string>; | ||
| let error: Error; | ||
| try { | ||
| javaVersionCommand = spawnSync('java', ['-version'], { | ||
| encoding: 'utf8', | ||
| windowsHide: true, | ||
| }); | ||
| } catch (e) { | ||
| error = e; | ||
| } | ||
| if (javaVersionCommand.error) { | ||
| error = javaVersionCommand.error; | ||
| } | ||
| if (error) { | ||
| if (!enforceJava) { | ||
| return 0; | ||
| } | ||
| throw Error( | ||
| `This test suite needs Java and ${failIfNoJavaEnv} is set. | ||
| Result of java -version: | ||
| ${error}` | ||
| ); | ||
| } | ||
| cachedJavaVersion = parseJavaVersion(javaVersionCommand.stderr); | ||
| } | ||
| return cachedJavaVersion; | ||
| } | ||
|
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| class WithGradle { | ||
| private gradleSupportsThisJavaVersion: boolean; | ||
|
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| constructor(private gradleVersion: number) { | ||
| const javaVersion = determineJavaVersion(); | ||
| if (gradleJavaVersionSupport[gradleVersion] === undefined) { | ||
| throw Error(`Unknown gradle version '${gradleVersion}'!`); | ||
| } | ||
|
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| const supportedJavaVersions = gradleJavaVersionSupport[gradleVersion]; | ||
| this.gradleSupportsThisJavaVersion = | ||
| javaVersion >= supportedJavaVersions.min && | ||
| javaVersion <= supportedJavaVersions.max; | ||
| if (!this.gradleSupportsThisJavaVersion && enforceJava) { | ||
| throw Error( | ||
| `This test needs a Java version between ${supportedJavaVersions.min} and ${supportedJavaVersions.max}. The current Java version is ${javaVersion} and ${failIfNoJavaEnv} is set!` | ||
| ); | ||
| } | ||
| } | ||
|
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||
| get it(): jest.It { | ||
| return !this.gradleSupportsThisJavaVersion || skipJava ? it.skip : it; | ||
| } | ||
| } | ||
|
|
||
| export function ifSystemSupportsGradle(gradleVersion: number): WithGradle { | ||
| return new WithGradle(gradleVersion); | ||
| } |
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