335 lines
13 KiB
TypeScript
335 lines
13 KiB
TypeScript
import {
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ddescribe,
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describe,
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xdescribe,
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it,
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iit,
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xit,
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expect,
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beforeEach,
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afterEach,
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AsyncTestCompleter,
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inject,
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beforeEachBindings
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} from 'angular2/test_lib';
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import {Promise, PromiseWrapper} from 'angular2/src/core/facade/async';
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import {Type, isPresent, isBlank, stringify, isString} from 'angular2/src/core/facade/lang';
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import {MapWrapper, SetWrapper, ListWrapper} from 'angular2/src/core/facade/collection';
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import {RuntimeMetadataResolver} from 'angular2/src/compiler/runtime_metadata';
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import {
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TemplateCompiler,
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NormalizedComponentWithViewDirectives
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} from 'angular2/src/compiler/template_compiler';
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import {
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DirectiveMetadata,
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NormalizedDirectiveMetadata,
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INormalizedDirectiveMetadata
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} from 'angular2/src/compiler/directive_metadata';
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import {evalModule} from './eval_module';
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import {SourceModule, moduleRef} from 'angular2/src/compiler/source_module';
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import {XHR} from 'angular2/src/core/render/xhr';
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import {MockXHR} from 'angular2/src/core/render/xhr_mock';
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import {Locals} from 'angular2/src/core/change_detection/change_detection';
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import {
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CommandVisitor,
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TextCmd,
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NgContentCmd,
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BeginElementCmd,
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BeginComponentCmd,
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EmbeddedTemplateCmd,
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TemplateCmd,
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visitAllCommands,
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CompiledTemplate
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} from 'angular2/src/core/compiler/template_commands';
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import {Component, View, Directive} from 'angular2/core';
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import {TEST_BINDINGS} from './test_bindings';
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import {TestContext, TestDispatcher, TestPipes} from './change_detector_mocks';
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import {codeGenValueFn, codeGenExportVariable} from 'angular2/src/compiler/util';
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// Attention: This path has to point to this test file!
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const THIS_MODULE = 'angular2/test/compiler/template_compiler_spec';
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var THIS_MODULE_REF = moduleRef(THIS_MODULE);
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export function main() {
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describe('TemplateCompiler', () => {
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var compiler: TemplateCompiler;
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var runtimeMetadataResolver: RuntimeMetadataResolver;
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beforeEachBindings(() => TEST_BINDINGS);
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beforeEach(inject([TemplateCompiler, RuntimeMetadataResolver],
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(_compiler, _runtimeMetadataResolver) => {
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compiler = _compiler;
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runtimeMetadataResolver = _runtimeMetadataResolver;
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}));
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describe('compile templates', () => {
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function runTests(compile) {
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it('should compile host components', inject([AsyncTestCompleter], (async) => {
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compile([CompWithBindingsAndStyles])
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.then((humanizedTemplate) => {
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expect(humanizedTemplate['styles']).toEqual([]);
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expect(humanizedTemplate['commands'][0]).toEqual('<comp-a>');
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expect(humanizedTemplate['cd']).toEqual(['elementProperty(title)=someDirValue']);
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async.done();
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});
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}));
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it('should compile nested components', inject([AsyncTestCompleter], (async) => {
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compile([CompWithBindingsAndStyles])
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.then((humanizedTemplate) => {
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var nestedTemplate = humanizedTemplate['commands'][1];
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expect(nestedTemplate['styles']).toEqual(['div {color: red}']);
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expect(nestedTemplate['commands'][0]).toEqual('<a>');
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expect(nestedTemplate['cd']).toEqual(['elementProperty(href)=someCtxValue']);
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async.done();
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});
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}));
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it('should compile recursive components', inject([AsyncTestCompleter], (async) => {
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compile([TreeComp])
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.then((humanizedTemplate) => {
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expect(humanizedTemplate['commands'][0]).toEqual('<tree>');
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expect(humanizedTemplate['commands'][1]['commands'][0]).toEqual('<tree>');
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expect(humanizedTemplate['commands'][1]['commands'][1]['commands'][0])
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.toEqual('<tree>');
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async.done();
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});
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}));
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}
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describe('compileHostComponentRuntime', () => {
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function compile(components: Type[]): Promise<any[]> {
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return compiler.compileHostComponentRuntime(components[0]).then(humanizeTemplate);
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}
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runTests(compile);
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it('should cache components', inject([AsyncTestCompleter, XHR], (async, xhr: MockXHR) => {
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// we expect only one request!
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xhr.expect('angular2/test/compiler/compUrl.html', '');
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PromiseWrapper.all([
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compiler.compileHostComponentRuntime(CompWithTemplateUrl),
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compiler.compileHostComponentRuntime(CompWithTemplateUrl)
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])
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.then((humanizedTemplates) => {
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expect(humanizedTemplates[0]).toEqual(humanizedTemplates[1]);
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async.done();
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});
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xhr.flush();
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}));
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it('should only allow dynamic loadable components', () => {
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expect(() => compiler.compileHostComponentRuntime(PlainDirective))
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.toThrowError(
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`Could not compile '${stringify(PlainDirective)}' because it is not dynamically loadable.`);
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expect(() => compiler.compileHostComponentRuntime(CompWithoutHost))
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.toThrowError(
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`Could not compile '${stringify(CompWithoutHost)}' because it is not dynamically loadable.`);
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});
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});
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describe('compileTemplatesCodeGen', () => {
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function normalizeComponent(component: Type):
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Promise<NormalizedComponentWithViewDirectives> {
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var compAndViewDirMetas = [runtimeMetadataResolver.getMetadata(component)].concat(
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runtimeMetadataResolver.getViewDirectivesMetadata(component));
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return PromiseWrapper.all(compAndViewDirMetas.map(meta =>
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compiler.normalizeDirective(meta)))
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.then((normalizedCompAndViewDirMetas: NormalizedDirectiveMetadata[]) =>
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new NormalizedComponentWithViewDirectives(
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normalizedCompAndViewDirMetas[0],
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normalizedCompAndViewDirMetas.slice(1)));
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}
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function compile(components: Type[]): Promise<any[]> {
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return PromiseWrapper.all(components.map(normalizeComponent))
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.then((normalizedCompWithViewDirMetas: NormalizedComponentWithViewDirectives[]) => {
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var sourceModule =
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compiler.compileTemplatesCodeGen(THIS_MODULE, normalizedCompWithViewDirMetas);
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var sourceWithImports =
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testableTemplateModule(sourceModule,
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normalizedCompWithViewDirMetas[0].component)
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.getSourceWithImports();
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return evalModule(sourceWithImports.source, sourceWithImports.imports, null);
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});
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}
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runTests(compile);
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});
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});
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describe('serializeTemplateMetadata and deserializeTemplateMetadata', () => {
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it('should serialize and deserialize', inject([AsyncTestCompleter], (async) => {
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compiler.normalizeDirective(
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runtimeMetadataResolver.getMetadata(CompWithBindingsAndStyles))
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.then((meta: NormalizedDirectiveMetadata) => {
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var json = compiler.serializeTemplateMetadata(meta);
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expect(isString(json)).toBe(true);
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// Note: serializing will clear our the runtime type!
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var clonedMeta =
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<NormalizedDirectiveMetadata>compiler.deserializeTemplateMetadata(json);
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expect(meta.changeDetection).toEqual(clonedMeta.changeDetection);
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expect(meta.template).toEqual(clonedMeta.template);
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expect(meta.selector).toEqual(clonedMeta.selector);
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expect(meta.type.name).toEqual(clonedMeta.type.name);
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async.done();
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});
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}));
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});
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describe('normalizeDirective', () => {
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it('should normalize the template',
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inject([AsyncTestCompleter, XHR], (async, xhr: MockXHR) => {
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xhr.expect('angular2/test/compiler/compUrl.html', 'loadedTemplate');
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compiler.normalizeDirective(runtimeMetadataResolver.getMetadata(CompWithTemplateUrl))
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.then((meta: NormalizedDirectiveMetadata) => {
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expect(meta.template.template).toEqual('loadedTemplate');
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async.done();
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});
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xhr.flush();
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}));
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it('should copy all the other fields', inject([AsyncTestCompleter], (async) => {
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var meta = runtimeMetadataResolver.getMetadata(CompWithBindingsAndStyles);
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compiler.normalizeDirective(meta).then((normMeta: NormalizedDirectiveMetadata) => {
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expect(normMeta.selector).toEqual(meta.selector);
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expect(normMeta.dynamicLoadable).toEqual(meta.dynamicLoadable);
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expect(normMeta.isComponent).toEqual(meta.isComponent);
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expect(normMeta.type).toEqual(meta.type);
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expect(normMeta.changeDetection).toEqual(meta.changeDetection);
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async.done();
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});
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}));
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});
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describe('compileStylesheetCodeGen', () => {
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it('should compile stylesheets into code', inject([AsyncTestCompleter], (async) => {
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var cssText = 'div {color: red}';
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var sourceModule = compiler.compileStylesheetCodeGen('someModuleId', cssText)[0];
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var sourceWithImports = testableStylesModule(sourceModule).getSourceWithImports();
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evalModule(sourceWithImports.source, sourceWithImports.imports, null)
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.then(loadedCssText => {
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expect(loadedCssText).toEqual([cssText]);
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async.done();
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});
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}));
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});
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});
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}
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@Component({
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selector: 'comp-a',
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dynamicLoadable: true,
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host: {'[title]': 'someProp'},
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moduleId: THIS_MODULE
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})
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@View({template: '<a [href]="someProp"></a>', styles: ['div {color: red}']})
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class CompWithBindingsAndStyles {
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}
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@Component({selector: 'tree', dynamicLoadable: true, moduleId: THIS_MODULE})
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@View({template: '<tree></tree>', directives: [TreeComp]})
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class TreeComp {
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}
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@Component({selector: 'comp-url', dynamicLoadable: true, moduleId: THIS_MODULE})
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@View({templateUrl: 'compUrl.html'})
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class CompWithTemplateUrl {
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}
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@Directive({selector: 'plain', moduleId: THIS_MODULE})
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class PlainDirective {
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}
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@Component({selector: 'comp', moduleId: THIS_MODULE})
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@View({template: ''})
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class CompWithoutHost {
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}
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function testableTemplateModule(sourceModule: SourceModule, comp: INormalizedDirectiveMetadata):
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SourceModule {
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var normComp = <NormalizedDirectiveMetadata>comp;
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var resultExpression = `${THIS_MODULE_REF}humanizeTemplate(Host${normComp.type.name}Template)`;
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var testableSource = `${sourceModule.source}
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${codeGenExportVariable('run')}${codeGenValueFn(['_'], resultExpression)};`;
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return new SourceModule(sourceModule.moduleId, testableSource);
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}
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function testableStylesModule(sourceModule: SourceModule): SourceModule {
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var testableSource = `${sourceModule.source}
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${codeGenExportVariable('run')}${codeGenValueFn(['_'], 'STYLES')};`;
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return new SourceModule(sourceModule.moduleId, testableSource);
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}
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// Attention: read by eval!
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export function humanizeTemplate(template: CompiledTemplate,
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humanizedTemplates: Map<number, StringMap<string, any>> = null):
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StringMap<string, any> {
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if (isBlank(humanizedTemplates)) {
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humanizedTemplates = new Map();
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}
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var result = humanizedTemplates.get(template.id);
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if (isPresent(result)) {
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return result;
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}
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var commands = [];
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result = {
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'styles': template.styles,
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'commands': commands,
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'cd': testChangeDetector(template.changeDetectorFactories[0])
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};
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humanizedTemplates.set(template.id, result);
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visitAllCommands(new CommandHumanizer(commands, humanizedTemplates), template.commands);
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return result;
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}
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function testChangeDetector(changeDetectorFactory: Function): string[] {
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var ctx = new TestContext();
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ctx.someProp = 'someCtxValue';
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var dir1 = new TestContext();
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dir1.someProp = 'someDirValue';
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var dispatcher = new TestDispatcher([dir1], []);
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var cd = changeDetectorFactory(dispatcher);
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var locals = new Locals(null, MapWrapper.createFromStringMap({'someVar': null}));
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cd.hydrate(ctx, locals, dispatcher, new TestPipes());
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cd.detectChanges();
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return dispatcher.log;
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}
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class CommandHumanizer implements CommandVisitor {
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constructor(private result: any[],
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private humanizedTemplates: Map<number, StringMap<string, any>>) {}
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visitText(cmd: TextCmd, context: any): any { return null; }
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visitNgContent(cmd: NgContentCmd, context: any): any { return null; }
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visitBeginElement(cmd: BeginElementCmd, context: any): any {
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this.result.push(`<${cmd.name}>`);
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return null;
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}
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visitEndElement(context: any): any {
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this.result.push('</>');
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return null;
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}
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visitBeginComponent(cmd: BeginComponentCmd, context: any): any {
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this.result.push(`<${cmd.name}>`);
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this.result.push(humanizeTemplate(cmd.template, this.humanizedTemplates));
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return null;
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}
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visitEndComponent(context: any): any { return this.visitEndElement(context); }
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visitEmbeddedTemplate(cmd: EmbeddedTemplateCmd, context: any): any { return null; }
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}
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