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Add test to test the readFile called on prepend input file for emitting and verifying emit

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This commit is contained in:
Sheetal Nandi
2019-01-24 12:17:45 -08:00
parent 71d70ef161
commit 9acff37947
1 changed files with 42 additions and 0 deletions
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src/testRunner/unittests/tsbuild.ts
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@@ -469,11 +469,20 @@ export const b = new A();`);
describe("unittests:: tsbuild - baseline sectioned sourcemaps", () => {
let fs: vfs.FileSystem | undefined;
const actualReadFileMap = createMap<number>();
before(() => {
fs = outFileFs.shadow();
const host = new fakes.SolutionBuilderHost(fs);
const builder = createSolutionBuilder(host, ["/src/third"], { dry: false, force: false, verbose: false });
host.clearDiagnostics();
const originalReadFile = host.readFile;
host.readFile = path => {
// Dont record libs
if (path.startsWith("/src/")) {
actualReadFileMap.set(path, (actualReadFileMap.get(path) || 0) + 1);
}
return originalReadFile.call(host, path);
};
builder.buildAllProjects();
host.assertDiagnosticMessages(/*none*/);
});
@@ -485,6 +494,39 @@ export const b = new A();`);
// tslint:disable-next-line:no-null-keyword
Harness.Baseline.runBaseline("outfile-concat.js", patch ? vfs.formatPatch(patch) : null);
});
it("verify readFile calls", () => {
const expectedMap = createMap<number>();
// Configs
expectedMap.set("/src/third/tsconfig.json", 1);
expectedMap.set("/src/second/tsconfig.json", 1);
expectedMap.set("/src/first/tsconfig.json", 1);
// Source files
expectedMap.set("/src/third/third_part1.ts", 1);
expectedMap.set("/src/second/second_part1.ts", 1);
expectedMap.set("/src/second/second_part2.ts", 1);
expectedMap.set("/src/first/first_PART1.ts", 1);
expectedMap.set("/src/first/first_part2.ts", 1);
expectedMap.set("/src/first/first_part3.ts", 1);
// outputs
expectedMap.set("/src/first/bin/first-output.js", 2);
expectedMap.set("/src/first/bin/first-output.js.map", 2);
// 1 for reading source File, 2 for forEachEmittedFiles (verifying compiler Options and actual emit)when prepend array is created
expectedMap.set("/src/first/bin/first-output.d.ts", 3);
expectedMap.set("/src/first/bin/first-output.d.ts.map", 2);
expectedMap.set("/src/2/second-output.js", 2);
expectedMap.set("/src/2/second-output.js.map", 2);
// 1 for reading source File, 2 for forEachEmittedFiles (verifying compiler Options and actual emit)when prepend array is created
expectedMap.set("/src/2/second-output.d.ts", 3);
expectedMap.set("/src/2/second-output.d.ts.map", 2);
assert.equal(actualReadFileMap.size, expectedMap.size, `Expected: ${JSON.stringify(arrayFrom(expectedMap.entries()))} \nActual: ${JSON.stringify(arrayFrom(actualReadFileMap.entries()))}`);
actualReadFileMap.forEach((value, key) => {
const expected = expectedMap.get(key);
assert.equal(value, expected, `Expected: ${JSON.stringify(arrayFrom(expectedMap.entries()))} \nActual: ${JSON.stringify(arrayFrom(actualReadFileMap.entries()))}`);
});
});
});
describe("unittests:: tsbuild - downstream prepend projects always get rebuilt", () => {