angular-cn/modules/@angular/compiler-cli/test/main_spec.ts

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/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {ɵReflectionCapabilities, ɵreflector} from '@angular/core';
import {makeTempDir} from '@angular/tsc-wrapped/test/test_support';
import * as fs from 'fs';
import * as path from 'path';
import {main} from '../src/main';
describe('compiler-cli', () => {
let basePath: string;
let write: (fileName: string, content: string) => void;
beforeEach(() => {
basePath = makeTempDir();
write = (fileName: string, content: string) => {
fs.writeFileSync(path.join(basePath, fileName), content, {encoding: 'utf-8'});
};
write('tsconfig.json', `{
"compilerOptions": {
"experimentalDecorators": true,
"types": [],
"outDir": "built",
"declaration": true,
"module": "es2015",
"moduleResolution": "node"
},
"angularCompilerOptions": {
"annotateForClosureCompiler": true
},
"files": ["test.ts"]
}`);
const nodeModulesPath = path.resolve(basePath, 'node_modules');
fs.mkdirSync(nodeModulesPath);
fs.symlinkSync(path.resolve(__dirname, '..', '..'), path.resolve(nodeModulesPath, '@angular'));
});
// Restore reflector since AoT compiler will update it with a new static reflector
afterEach(() => { ɵreflector.updateCapabilities(new ɵReflectionCapabilities()); });
it('should compile without errors', (done) => {
write('test.ts', 'export const A = 1;');
const mockConsole = {error: (s: string) => {}};
spyOn(mockConsole, 'error');
main({p: basePath}, mockConsole.error)
.then((exitCode) => {
expect(mockConsole.error).not.toHaveBeenCalled();
expect(exitCode).toEqual(0);
done();
})
.catch(e => done.fail(e));
});
it('should not print the stack trace if user input file does not exist', (done) => {
const mockConsole = {error: (s: string) => {}};
spyOn(mockConsole, 'error');
main({p: basePath}, mockConsole.error)
.then((exitCode) => {
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expect(mockConsole.error)
.toHaveBeenCalledWith(
`Error File '` + path.join(basePath, 'test.ts') + `' not found.`);
expect(mockConsole.error).not.toHaveBeenCalledWith('Compilation failed');
expect(exitCode).toEqual(1);
done();
})
.catch(e => done.fail(e));
});
it('should not print the stack trace if user input file is malformed', (done) => {
write('test.ts', 'foo;');
const mockConsole = {error: (s: string) => {}};
spyOn(mockConsole, 'error');
main({p: basePath}, mockConsole.error)
.then((exitCode) => {
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expect(mockConsole.error)
.toHaveBeenCalledWith(
'Error at ' + path.join(basePath, 'test.ts') + `:1:1: Cannot find name 'foo'.`);
expect(mockConsole.error).not.toHaveBeenCalledWith('Compilation failed');
expect(exitCode).toEqual(1);
done();
})
.catch(e => done.fail(e));
});
it('should not print the stack trace if cannot find the imported module', (done) => {
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write('test.ts', `import {MyClass} from './not-exist-deps';`);
const mockConsole = {error: (s: string) => {}};
spyOn(mockConsole, 'error');
main({p: basePath}, mockConsole.error)
.then((exitCode) => {
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expect(mockConsole.error)
.toHaveBeenCalledWith(
'Error at ' + path.join(basePath, 'test.ts') +
`:1:23: Cannot find module './not-exist-deps'.`);
expect(mockConsole.error).not.toHaveBeenCalledWith('Compilation failed');
expect(exitCode).toEqual(1);
done();
})
.catch(e => done.fail(e));
});
it('should not print the stack trace if cannot import', (done) => {
write('empty-deps.ts', 'export const A = 1;');
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write('test.ts', `import {MyClass} from './empty-deps';`);
const mockConsole = {error: (s: string) => {}};
spyOn(mockConsole, 'error');
main({p: basePath}, mockConsole.error)
.then((exitCode) => {
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expect(mockConsole.error)
.toHaveBeenCalledWith(
'Error at ' + path.join(basePath, 'test.ts') + `:1:9: Module '"` +
path.join(basePath, 'empty-deps') + `"' has no exported member 'MyClass'.`);
expect(mockConsole.error).not.toHaveBeenCalledWith('Compilation failed');
expect(exitCode).toEqual(1);
done();
})
.catch(e => done.fail(e));
});
it('should not print the stack trace if type mismatches', (done) => {
write('empty-deps.ts', 'export const A = "abc";');
write('test.ts', `
import {A} from './empty-deps';
A();
`);
const mockConsole = {error: (s: string) => {}};
spyOn(mockConsole, 'error');
main({p: basePath}, mockConsole.error)
.then((exitCode) => {
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expect(mockConsole.error)
.toHaveBeenCalledWith(
'Error at ' + path.join(basePath, 'test.ts') +
':3:7: Cannot invoke an expression whose type lacks a call signature. ' +
'Type \'String\' has no compatible call signatures.');
expect(mockConsole.error).not.toHaveBeenCalledWith('Compilation failed');
expect(exitCode).toEqual(1);
done();
})
.catch(e => done.fail(e));
});
it('should print the stack trace on compiler internal errors', (done) => {
write('test.ts', 'export const A = 1;');
const mockConsole = {error: (s: string) => {}};
spyOn(mockConsole, 'error');
main({p: 'not-exist'}, mockConsole.error)
.then((exitCode) => {
expect(mockConsole.error).toHaveBeenCalled();
expect(mockConsole.error).toHaveBeenCalledWith('Compilation failed');
expect(exitCode).toEqual(1);
done();
})
.catch(e => done.fail(e));
});
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});