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transpileDeclaration API method (#58261)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| import { | ||
| Baseline, | ||
| Compiler, | ||
| getFileBasedTestConfigurations, | ||
| IO, | ||
| RunnerBase, | ||
| TestCaseParser, | ||
| TestRunnerKind, | ||
| } from "./_namespaces/Harness"; | ||
| import * as ts from "./_namespaces/ts"; | ||
| import * as vpath from "./_namespaces/vpath"; | ||
|
|
||
| export class TranspileRunner extends RunnerBase { | ||
| protected basePath = "tests/cases/transpile"; | ||
| protected testSuiteName: TestRunnerKind = "transpile"; | ||
|
|
||
| public enumerateTestFiles() { | ||
| // see also: `enumerateTestFiles` in tests/webTestServer.ts | ||
| return this.enumerateFiles(this.basePath, /\.[cm]?[tj]sx?/i, { recursive: true }); | ||
| } | ||
|
|
||
| public kind() { | ||
| return this.testSuiteName; | ||
| } | ||
|
|
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| public initializeTests() { | ||
| if (this.tests.length === 0) { | ||
| this.tests = IO.enumerateTestFiles(this); | ||
| } | ||
|
|
||
| describe(this.testSuiteName + " tests", () => { | ||
| this.tests.forEach(file => { | ||
| file = vpath.normalizeSeparators(file); | ||
| describe(file, () => { | ||
| const tests = TranspileTestCase.getConfigurations(file); | ||
| for (const test of tests) { | ||
| test.run(); | ||
| } | ||
| }); | ||
| }); | ||
| }); | ||
| } | ||
| } | ||
|
|
||
| enum TranspileKind { | ||
| Module, | ||
| Declaration, | ||
| } | ||
|
|
||
| class TranspileTestCase { | ||
| static varyBy = []; | ||
|
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| static getConfigurations(file: string): TranspileTestCase[] { | ||
| const ext = vpath.extname(file); | ||
| const baseName = vpath.basename(file); | ||
| const justName = baseName.slice(0, baseName.length - ext.length); | ||
| const content = IO.readFile(file)!; | ||
| const settings = TestCaseParser.extractCompilerSettings(content); | ||
| const settingConfigurations = getFileBasedTestConfigurations(settings, TranspileTestCase.varyBy); | ||
| return settingConfigurations?.map(c => { | ||
| const desc = Object.entries(c).map(([key, value]) => `${key}=${value}`).join(","); | ||
| return new TranspileTestCase(`${justName}(${desc})`, ext, content, { ...settings, ...c }); | ||
| }) ?? [new TranspileTestCase(justName, ext, content, settings)]; | ||
| } | ||
|
|
||
| private jsOutName; | ||
| private dtsOutName; | ||
| private units; | ||
| constructor( | ||
| private justName: string, | ||
| private ext: string, | ||
| private content: string, | ||
| private settings: TestCaseParser.CompilerSettings, | ||
| ) { | ||
| this.jsOutName = justName + this.getJsOutputExtension(`${justName}${ext}`); | ||
| this.dtsOutName = justName + ts.getDeclarationEmitExtensionForPath(`${justName}${ext}`); | ||
| this.units = TestCaseParser.makeUnitsFromTest(content, `${justName}${ext}`, settings); | ||
| } | ||
|
|
||
| getJsOutputExtension(name: string) { | ||
| return ts.getOutputExtension(name, { jsx: this.settings.jsx === "preserve" ? ts.JsxEmit.Preserve : undefined }); | ||
| } | ||
|
|
||
| runKind(kind: TranspileKind) { | ||
| it(`transpile test ${this.justName} has expected ${kind === TranspileKind.Module ? "js" : "declaration"} output`, () => { | ||
| let baselineText = ""; | ||
|
|
||
| // include inputs in output so how the test is parsed and broken down is more obvious | ||
| this.units.testUnitData.forEach(unit => { | ||
| baselineText += `//// [${unit.name}] ////\r\n`; | ||
| baselineText += unit.content; | ||
| if (!unit.content.endsWith("\n")) { | ||
| baselineText += "\r\n"; | ||
| } | ||
| }); | ||
|
|
||
| this.units.testUnitData.forEach(unit => { | ||
| const opts: ts.CompilerOptions = {}; | ||
| Compiler.setCompilerOptionsFromHarnessSetting(this.settings, opts); | ||
| const result = (kind === TranspileKind.Module ? ts.transpileModule : ts.transpileDeclaration)(unit.content, { compilerOptions: opts, fileName: unit.name, reportDiagnostics: this.settings.reportDiagnostics === "true" }); | ||
|
|
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| baselineText += `//// [${ts.changeExtension(unit.name, kind === TranspileKind.Module ? this.getJsOutputExtension(unit.name) : ts.getDeclarationEmitExtensionForPath(unit.name))}] ////\r\n`; | ||
| baselineText += result.outputText; | ||
| if (!result.outputText.endsWith("\n")) { | ||
| baselineText += "\r\n"; | ||
| } | ||
| if (result.diagnostics && result.diagnostics.length) { | ||
| baselineText += "\r\n\r\n//// [Diagnostics reported]\r\n"; | ||
| baselineText += Compiler.getErrorBaseline([{ content: unit.content, unitName: unit.name }], result.diagnostics, !!opts.pretty); | ||
| if (!baselineText.endsWith("\n")) { | ||
| baselineText += "\r\n"; | ||
| } | ||
| } | ||
| }); | ||
|
|
||
| Baseline.runBaseline(`transpile/${kind === TranspileKind.Module ? this.jsOutName : this.dtsOutName}`, baselineText); | ||
| }); | ||
| } | ||
|
|
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| run() { | ||
| if (!this.settings.emitDeclarationOnly) { | ||
| this.runKind(TranspileKind.Module); | ||
| } | ||
| if (this.settings.declaration) { | ||
| this.runKind(TranspileKind.Declaration); | ||
| } | ||
| } | ||
| } |
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