TypeScript/tests/cases/unittests/services/preProcessFile.ts

267 lines
14 KiB
TypeScript

/// <reference path="..\..\..\..\src\harness\external\mocha.d.ts" />
/// <reference path="..\..\..\..\src\harness\harnessLanguageService.ts" />
describe('PreProcessFile:', function () {
function test(sourceText: string, readImportFile: boolean, detectJavaScriptImports: boolean, expectedPreProcess: ts.PreProcessedFileInfo): void {
var resultPreProcess = ts.preProcessFile(sourceText, readImportFile, detectJavaScriptImports);
var resultIsLibFile = resultPreProcess.isLibFile;
var resultImportedFiles = resultPreProcess.importedFiles;
var resultReferencedFiles = resultPreProcess.referencedFiles;
var expectedIsLibFile = expectedPreProcess.isLibFile;
var expectedImportedFiles = expectedPreProcess.importedFiles;
var expectedReferencedFiles = expectedPreProcess.referencedFiles;
assert.equal(resultIsLibFile, expectedIsLibFile, "Pre-processed file has different value for isLibFile. Expected: " + expectedPreProcess + ". Actual: " + resultIsLibFile);
assert.equal(resultImportedFiles.length, expectedImportedFiles.length,
"Array's length of imported files does not match expected. Expected: " + expectedImportedFiles.length + ". Actual: " + resultImportedFiles.length);
assert.equal(resultReferencedFiles.length, expectedReferencedFiles.length,
"Array's length of referenced files does not match expected. Expected: " + expectedReferencedFiles.length + ". Actual: " + resultReferencedFiles.length);
for (var i = 0; i < expectedImportedFiles.length; ++i) {
var resultImportedFile = resultImportedFiles[i];
var expectedImportedFile = expectedImportedFiles[i];
assert.equal(resultImportedFile.fileName, expectedImportedFile.fileName, "Imported file path does not match expected. Expected: " + expectedImportedFile.fileName + ". Actual: " + resultImportedFile.fileName + ".");
assert.equal(resultImportedFile.pos, expectedImportedFile.pos, "Imported file position does not match expected. Expected: " + expectedImportedFile.pos + ". Actual: " + resultImportedFile.pos + ".");
assert.equal(resultImportedFile.end, expectedImportedFile.end, "Imported file length does not match expected. Expected: " + expectedImportedFile.end + ". Actual: " + resultImportedFile.end + ".");
}
for (var i = 0; i < expectedReferencedFiles.length; ++i) {
var resultReferencedFile = resultReferencedFiles[i];
var expectedReferencedFile = expectedReferencedFiles[i];
assert.equal(resultReferencedFile.fileName, expectedReferencedFile.fileName, "Referenced file path does not match expected. Expected: " + expectedReferencedFile.fileName + ". Actual: " + resultReferencedFile.fileName + ".");
assert.equal(resultReferencedFile.pos, expectedReferencedFile.pos, "Referenced file position does not match expected. Expected: " + expectedReferencedFile.pos + ". Actual: " + resultReferencedFile.pos + ".");
assert.equal(resultReferencedFile.end, expectedReferencedFile.end, "Referenced file length does not match expected. Expected: " + expectedReferencedFile.end + ". Actual: " + resultReferencedFile.end + ".");
}
}
describe("Test preProcessFiles,", function () {
it("Correctly return referenced files from triple slash", function () {
test("///<reference path = \"refFile1.ts\" />" + "\n" + "///<reference path =\"refFile2.ts\"/>" + "\n" + "///<reference path=\"refFile3.ts\" />" + "\n" + "///<reference path= \"..\\refFile4d.ts\" />",
/* readImports */true,
/* detectJavaScriptImports */ false,
{
referencedFiles: [{ fileName: "refFile1.ts", pos: 0, end: 37 }, { fileName: "refFile2.ts", pos: 38, end: 73 },
{ fileName: "refFile3.ts", pos: 74, end: 109 }, { fileName: "..\\refFile4d.ts", pos: 110, end: 150 }],
importedFiles: <ts.FileReference[]>[],
ambientExternalModules: undefined,
isLibFile: false
});
}),
it("Do not return reference path because of invalid triple-slash syntax", function () {
test("///<reference path\"refFile1.ts\" />" + "\n" + "///<reference path =\"refFile2.ts\">" + "\n" + "///<referencepath=\"refFile3.ts\" />" + "\n" + "///<reference pat= \"refFile4d.ts\" />",
/* readImports */true,
/* detectJavaScriptImports */ false,
{
referencedFiles: <ts.FileReference[]>[],
importedFiles: <ts.FileReference[]>[],
ambientExternalModules: undefined,
isLibFile: false
});
}),
it("Correctly return imported files", function () {
test("import i1 = require(\"r1.ts\"); import i2 =require(\"r2.ts\"); import i3= require(\"r3.ts\"); import i4=require(\"r4.ts\"); import i5 = require (\"r5.ts\");",
/* readImports */true,
/* detectJavaScriptImports */ false,
{
referencedFiles: <ts.FileReference[]>[],
importedFiles: [{ fileName: "r1.ts", pos: 20, end: 25 }, { fileName: "r2.ts", pos: 49, end: 54 }, { fileName: "r3.ts", pos: 78, end: 83 },
{ fileName: "r4.ts", pos: 106, end: 111 }, { fileName: "r5.ts", pos: 138, end: 143 }],
ambientExternalModules: undefined,
isLibFile: false
});
}),
it("Do not return imported files if readImportFiles argument is false", function () {
test("import i1 = require(\"r1.ts\"); import i2 =require(\"r2.ts\"); import i3= require(\"r3.ts\"); import i4=require(\"r4.ts\"); import i5 = require (\"r5.ts\");",
/* readImports */ false,
/* detectJavaScriptImports */ false,
{
referencedFiles: <ts.FileReference[]>[],
importedFiles: <ts.FileReference[]>[],
ambientExternalModules: undefined,
isLibFile: false
});
}),
it("Do not return import path because of invalid import syntax", function () {
test("import i1 require(\"r1.ts\"); import = require(\"r2.ts\") import i3= require(\"r3.ts\"); import i5",
/* readImports */true,
/* detectJavaScriptImports */ false,
{
referencedFiles: <ts.FileReference[]>[],
importedFiles: [{ fileName: "r3.ts", pos: 73, end: 78 }],
ambientExternalModules: undefined,
isLibFile: false
});
}),
it("Correctly return referenced files and import files", function () {
test("///<reference path=\"refFile1.ts\" />" + "\n" + "///<reference path =\"refFile2.ts\"/>" + "\n" + "import i1 = require(\"r1.ts\"); import i2 =require(\"r2.ts\");",
/* readImports */true,
/* detectJavaScriptImports */ false,
{
referencedFiles: [{ fileName: "refFile1.ts", pos: 0, end: 35 }, { fileName: "refFile2.ts", pos: 36, end: 71 }],
importedFiles: [{ fileName: "r1.ts", pos: 92, end: 97 }, { fileName: "r2.ts", pos: 121, end: 126 }],
ambientExternalModules: undefined,
isLibFile: false
});
}),
it("Correctly return referenced files and import files even with some invalid syntax", function () {
test("///<reference path=\"refFile1.ts\" />" + "\n" + "///<reference path \"refFile2.ts\"/>" + "\n" + "import i1 = require(\"r1.ts\"); import = require(\"r2.ts\"); import i2 = require(\"r3.ts\");",
/* readImports */true,
/* detectJavaScriptImports */ false,
{
referencedFiles: [{ fileName: "refFile1.ts", pos: 0, end: 35 }],
importedFiles: [{ fileName: "r1.ts", pos: 91, end: 96 }, { fileName: "r3.ts", pos: 148, end: 153 }],
ambientExternalModules: undefined,
isLibFile: false
})
});
it("Correctly return ES6 imports", function () {
test("import * as ns from \"m1\";" + "\n" +
"import def, * as ns from \"m2\";" + "\n" +
"import def from \"m3\";" + "\n" +
"import {a} from \"m4\";" + "\n" +
"import {a as A} from \"m5\";" + "\n" +
"import {a as A, b, c as C} from \"m6\";" + "\n" +
"import def , {a, b, c as C} from \"m7\";" + "\n",
/* readImports */true,
/* detectJavaScriptImports */ false,
{
referencedFiles: [],
importedFiles: [
{ fileName: "m1", pos: 20, end: 22 },
{ fileName: "m2", pos: 51, end: 53 },
{ fileName: "m3", pos: 73, end: 75 },
{ fileName: "m4", pos: 95, end: 97 },
{ fileName: "m5", pos: 122, end: 124 },
{ fileName: "m6", pos: 160, end: 162 },
{ fileName: "m7", pos: 199, end: 201 }
],
ambientExternalModules: undefined,
isLibFile: false
})
});
it("Correctly return ES6 exports", function () {
test("export * from \"m1\";" + "\n" +
"export {a} from \"m2\";" + "\n" +
"export {a as A} from \"m3\";" + "\n" +
"export {a as A, b, c as C} from \"m4\";" + "\n",
/* readImports */true,
/* detectJavaScriptImports */ false,
{
referencedFiles: [],
importedFiles: [
{ fileName: "m1", pos: 14, end: 16 },
{ fileName: "m2", pos: 36, end: 38 },
{ fileName: "m3", pos: 63, end: 65 },
{ fileName: "m4", pos: 101, end: 103 },
],
ambientExternalModules: undefined,
isLibFile: false
})
});
it("Correctly return ambient external modules", () => {
test(`
declare module A {}
declare module "B" {}
function foo() {
}
`,
/* readImports */ false,
/* detectJavaScriptImports */ false,
{
referencedFiles: [],
importedFiles: [],
ambientExternalModules: ["B"],
isLibFile: false
})
});
it("Correctly handles export import declarations", function () {
test("export import a = require(\"m1\");",
/* readImports */true,
/* detectJavaScriptImports */ false,
{
referencedFiles: [],
importedFiles: [
{ fileName: "m1", pos: 26, end: 28 }
],
ambientExternalModules: undefined,
isLibFile: false
})
});
it("Correctly handles export require calls in JavaScript files", function () {
test(`
export import a = require("m1");
var x = require('m2');
foo(require('m3'));
var z = { f: require('m4') }
`,
/* readImports */true,
/* detectJavaScriptImports */ true,
{
referencedFiles: [],
importedFiles: [
{ fileName: "m1", pos: 39, end: 41 },
{ fileName: "m2", pos: 74, end: 76 },
{ fileName: "m3", pos: 105, end: 107 },
{ fileName: "m4", pos: 146, end: 148 },
],
ambientExternalModules: undefined,
isLibFile: false
})
});
it("Correctly handles dependency lists in define([deplist]) calls in JavaScript files", function () {
test(`
define(["mod1", "mod2"], (m1, m2) => {
});
`,
/* readImports */true,
/* detectJavaScriptImports */ true,
{
referencedFiles: [],
importedFiles: [
{ fileName: "mod1", pos: 21, end: 25 },
{ fileName: "mod2", pos: 29, end: 33 },
],
ambientExternalModules: undefined,
isLibFile: false
})
});
it("Correctly handles dependency lists in define(modName, [deplist]) calls in JavaScript files", function () {
test(`
define("mod", ["mod1", "mod2"], (m1, m2) => {
});
`,
/* readImports */true,
/* detectJavaScriptImports */ true,
{
referencedFiles: [],
importedFiles: [
{ fileName: "mod1", pos: 28, end: 32 },
{ fileName: "mod2", pos: 36, end: 40 },
],
ambientExternalModules: undefined,
isLibFile: false
})
});
});
});