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Copy pathtsconfigParsing.ts
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185 lines (165 loc) · 6.87 KB
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/// <reference path="..\..\..\src\harness\harness.ts" />
/// <reference path="..\..\..\src\compiler\commandLineParser.ts" />
namespace ts {
describe("parseConfigFileTextToJson", () => {
function assertParseResult(jsonText: string, expectedConfigObject: { config?: any; error?: Diagnostic }) {
const parsed = ts.parseConfigFileTextToJson("/apath/tsconfig.json", jsonText);
assert.equal(JSON.stringify(parsed), JSON.stringify(expectedConfigObject));
}
function assertParseError(jsonText: string) {
const parsed = ts.parseConfigFileTextToJson("/apath/tsconfig.json", jsonText);
assert.isTrue(undefined === parsed.config);
assert.isTrue(undefined !== parsed.error);
}
function assertParseErrorWithExcludesKeyword(jsonText: string) {
const parsed = ts.parseConfigFileTextToJson("/apath/tsconfig.json", jsonText);
const parsedCommand = ts.parseJsonConfigFileContent(parsed.config, ts.sys, "tests/cases/unittests");
assert.isTrue(parsedCommand.errors && parsedCommand.errors.length === 1 &&
parsedCommand.errors[0].code === ts.Diagnostics.Unknown_option_excludes_Did_you_mean_exclude.code);
}
function assertParseFileList(jsonText: string, configFileName: string, basePath: string, allFileList: string[], expectedFileList: string[]) {
const json = JSON.parse(jsonText);
const host: ParseConfigHost = new Utils.MockParseConfigHost(basePath, true, allFileList);
const parsed = ts.parseJsonConfigFileContent(json, host, basePath, /*existingOptions*/ undefined, configFileName);
assert.isTrue(arrayIsEqualTo(parsed.fileNames.sort(), expectedFileList.sort()));
}
it("returns empty config for file with only whitespaces", () => {
assertParseResult("", { config : {} });
assertParseResult(" ", { config : {} });
});
it("returns empty config for file with comments only", () => {
assertParseResult("// Comment", { config: {} });
assertParseResult("/* Comment*/", { config: {} });
});
it("returns empty config when config is empty object", () => {
assertParseResult("{}", { config: {} });
});
it("returns config object without comments", () => {
assertParseResult(
`{ // Excluded files
"exclude": [
// Exclude d.ts
"file.d.ts"
]
}`, { config: { exclude: ["file.d.ts"] } });
assertParseResult(
`{
/* Excluded
Files
*/
"exclude": [
/* multiline comments can be in the middle of a line */"file.d.ts"
]
}`, { config: { exclude: ["file.d.ts"] } });
});
it("keeps string content untouched", () => {
assertParseResult(
`{
"exclude": [
"xx//file.d.ts"
]
}`, { config: { exclude: ["xx//file.d.ts"] } });
assertParseResult(
`{
"exclude": [
"xx/*file.d.ts*/"
]
}`, { config: { exclude: ["xx/*file.d.ts*/"] } });
});
it("handles escaped characters in strings correctly", () => {
assertParseResult(
`{
"exclude": [
"xx\\"//files"
]
}`, { config: { exclude: ["xx\"//files"] } });
assertParseResult(
`{
"exclude": [
"xx\\\\" // end of line comment
]
}`, { config: { exclude: ["xx\\"] } });
});
it("returns object with error when json is invalid", () => {
assertParseError("invalid");
});
it("returns object when users correctly specify library", () => {
assertParseResult(
`{
"compilerOptions": {
"lib": ["es5"]
}
}`, {
config: { compilerOptions: { lib: ["es5"] } }
});
assertParseResult(
`{
"compilerOptions": {
"lib": ["es5", "es6"]
}
}`, {
config: { compilerOptions: { lib: ["es5", "es6"] } }
});
});
it("returns error when tsconfig have excludes", () => {
assertParseErrorWithExcludesKeyword(
`{
"compilerOptions": {
"lib": ["es5"]
},
"excludes": [
"foge.ts"
]
}`);
});
it("ignore dotted files and folders", () => {
assertParseFileList(
`{}`,
"tsconfig.json",
"/apath",
["/apath/test.ts", "/apath/.git/a.ts", "/apath/.b.ts", "/apath/..c.ts"],
["/apath/test.ts"]
);
});
it("allow dotted files and folders when explicitly requested", () => {
assertParseFileList(
`{
"files": ["/apath/.git/a.ts", "/apath/.b.ts", "/apath/..c.ts"]
}`,
"tsconfig.json",
"/apath",
["/apath/test.ts", "/apath/.git/a.ts", "/apath/.b.ts", "/apath/..c.ts"],
["/apath/.git/a.ts", "/apath/.b.ts", "/apath/..c.ts"]
);
});
it("always exclude outDir", () => {
const tsconfigWithoutExclude =
`{
"compilerOptions": {
"outDir": "bin"
}
}`;
const tsconfigWithExclude =
`{
"compilerOptions": {
"outDir": "bin"
},
"exclude": [ "obj" ]
}`;
const rootDir = "/";
const allFiles = ["/bin/a.ts", "/b.ts"];
const expectedFiles = ["/b.ts"];
assertParseFileList(tsconfigWithoutExclude, "tsconfig.json", rootDir, allFiles, expectedFiles);
assertParseFileList(tsconfigWithExclude, "tsconfig.json", rootDir, allFiles, expectedFiles);
});
it("implicitly exclude common package folders", () => {
assertParseFileList(
`{}`,
"tsconfig.json",
"/",
["/node_modules/a.ts", "/bower_components/b.ts", "/jspm_packages/c.ts", "/d.ts", "/folder/e.ts"],
["/d.ts", "/folder/e.ts"]
);
});
});
}