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npm install test

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This commit is contained in:
Arthur Ozga 2017-05-01 15:16:58 -07:00
parent 2118de09e7
commit 28843c4197
1 changed files with 73 additions and 7 deletions
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80
src/harness/unittests/reuseProgramStructure.ts
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@ -159,12 +159,14 @@ namespace ts {
return program;
}
function updateProgram(oldProgram: ProgramWithSourceTexts, rootNames: string[], options: CompilerOptions, updater: (files: NamedSourceText[]) => void) {
const texts: NamedSourceText[] = (<ProgramWithSourceTexts>oldProgram).sourceTexts.slice(0);
updater(texts);
const host = createTestCompilerHost(texts, options.target, oldProgram);
function updateProgram(oldProgram: ProgramWithSourceTexts, rootNames: string[], options: CompilerOptions, updater: (files: NamedSourceText[]) => void, newTexts?: NamedSourceText[]) {
if (!newTexts) {
newTexts = (<ProgramWithSourceTexts>oldProgram).sourceTexts.slice(0);
}
updater(newTexts);
const host = createTestCompilerHost(newTexts, options.target, oldProgram);
const program = <ProgramWithSourceTexts>createProgram(rootNames, options, host, oldProgram);
program.sourceTexts = texts;
program.sourceTexts = newTexts;
program.host = host;
return program;
}
@ -391,6 +393,70 @@ namespace ts {
checkResolvedTypeDirectivesCache(program_1, "/a.ts", createMapFromTemplate({ "typedefs": { resolvedFileName: "/types/typedefs/index.d.ts", primary: true } }));
});
it("fetches imports after npm install", () => {
const file1Ts = { name: "file1.ts", text: SourceText.New("", `import * as a from "a";`, "const myX: number = a.x;") };
const file2Ts = { name: "file2.ts", text: SourceText.New("", "", "") };
const indexDTS = { name: "node_modules/a/index.d.ts", text: SourceText.New("", "export declare let x: number;", "") };
const options: CompilerOptions = { target: ScriptTarget.ES2015, traceResolution: true, moduleResolution: ModuleResolutionKind.NodeJs };
const rootFiles = [file1Ts, file2Ts];
const filesAfterNpmInstall = [file1Ts, file2Ts, indexDTS];
const initialProgram = newProgram(rootFiles, rootFiles.map(f => f.name), options);
{
assert.deepEqual(initialProgram.host.getTrace(),
[
"======== Resolving module 'a' from 'file1.ts'. ========",
"Explicitly specified module resolution kind: 'NodeJs'.",
"Loading module 'a' from 'node_modules' folder, target file type 'TypeScript'.",
"File 'node_modules/a.ts' does not exist.",
"File 'node_modules/a.tsx' does not exist.",
"File 'node_modules/a.d.ts' does not exist.",
"File 'node_modules/a/package.json' does not exist.",
"File 'node_modules/a/index.ts' does not exist.",
"File 'node_modules/a/index.tsx' does not exist.",
"File 'node_modules/a/index.d.ts' does not exist.",
"File 'node_modules/@types/a.d.ts' does not exist.",
"File 'node_modules/@types/a/package.json' does not exist.",
"File 'node_modules/@types/a/index.d.ts' does not exist.",
"Loading module 'a' from 'node_modules' folder, target file type 'JavaScript'.",
"File 'node_modules/a.js' does not exist.",
"File 'node_modules/a.jsx' does not exist.",
"File 'node_modules/a/package.json' does not exist.",
"File 'node_modules/a/index.js' does not exist.",
"File 'node_modules/a/index.jsx' does not exist.",
"======== Module name 'a' was not resolved. ========"
],
"initialProgram: execute module resolution normally.");
const initialProgramDiagnostics = initialProgram.getSemanticDiagnostics(initialProgram.getSourceFile("file1.ts"));
assert(initialProgramDiagnostics.length === 1, `initialProgram: import should fail.`);
}
const afterNpmInstallProgram = updateProgram(initialProgram, rootFiles.map(f => f.name), options, f => {
f[1].text = f[1].text.updateReferences(`/// <reference no-default-lib="true"/>`);
}, filesAfterNpmInstall);
{
assert.deepEqual(afterNpmInstallProgram.host.getTrace(),
[
"======== Resolving module 'a' from 'file1.ts'. ========",
"Explicitly specified module resolution kind: 'NodeJs'.",
"Loading module 'a' from 'node_modules' folder, target file type 'TypeScript'.",
"File 'node_modules/a.ts' does not exist.",
"File 'node_modules/a.tsx' does not exist.",
"File 'node_modules/a.d.ts' does not exist.",
"File 'node_modules/a/package.json' does not exist.",
"File 'node_modules/a/index.ts' does not exist.",
"File 'node_modules/a/index.tsx' does not exist.",
"File 'node_modules/a/index.d.ts' exist - use it as a name resolution result.",
"======== Module name 'a' was successfully resolved to 'node_modules/a/index.d.ts'. ========"
],
"afterNpmInstallProgram: execute module resolution normally.");
const afterNpmInstallProgramDiagnostics = afterNpmInstallProgram.getSemanticDiagnostics(afterNpmInstallProgram.getSourceFile("file1.ts"));
assert(afterNpmInstallProgramDiagnostics.length === 0, `afterNpmInstallProgram: program is well-formed with import.`);
}
});
it("can reuse ambient module declarations from non-modified files", () => {
const files = [
{ name: "/a/b/app.ts", text: SourceText.New("", "import * as fs from 'fs'", "") },
@ -624,7 +690,7 @@ namespace ts {
"Explicitly specified module resolution kind: 'Classic'.",
"File 'b1.ts' exist - use it as a name resolution result.",
"======== Module name './b1' was successfully resolved to 'b1.ts'. ========"
], "program_5: exports do not affect program structure, so f2's reoslutions are silently reused.");
], "program_5: exports do not affect program structure, so f2's resolutions are silently reused.");
}
const program_6 = updateProgram(program_5, program_5.getRootFileNames(), options, f => {
@ -658,7 +724,7 @@ namespace ts {
{
const program_7Diagnostics = program_7.getSemanticDiagnostics(program_7.getSourceFile("f2.ts"));
assert(program_7Diagnostics.length === expectedErrors, `removing import is noop with respect to program, so no change in diangostics.`);
assert(program_7Diagnostics.length === expectedErrors, `removing import is noop with respect to program, so no change in diagnostics.`);
assert.deepEqual(program_7.host.getTrace(), [
"======== Resolving type reference directive 'typerefs2', containing file 'f2.ts', root directory 'node_modules/@types'. ========",