418 lines
16 KiB
TypeScript
418 lines
16 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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beforeEachProviders
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} from 'angular2/testing_internal';
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import {Promise, PromiseWrapper} from 'angular2/src/facade/async';
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import {Type, isPresent, isBlank, stringify, isString} from 'angular2/src/facade/lang';
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import {MapWrapper, SetWrapper, ListWrapper} from 'angular2/src/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 {CompileDirectiveMetadata} 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/compiler/xhr';
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import {MockXHR} from 'angular2/src/compiler/xhr_mock';
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import {ViewEncapsulation} from 'angular2/src/core/metadata/view';
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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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CompiledComponentTemplate
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} from 'angular2/src/core/linker/template_commands';
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import {Component, View, Directive, provide} from 'angular2/core';
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import {TEST_PROVIDERS} from './test_bindings';
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import {TestDispatcher, TestPipes} from './change_detector_mocks';
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import {codeGenValueFn, codeGenExportVariable, MODULE_SUFFIX} 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_ID = 'angular2/test/compiler/template_compiler_spec';
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var THIS_MODULE_REF = moduleRef(`package:${THIS_MODULE_ID}${MODULE_SUFFIX}`);
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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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beforeEachProviders(() => TEST_PROVIDERS);
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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 throw for non components', inject([AsyncTestCompleter], (async) => {
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PromiseWrapper.catchError(PromiseWrapper.wrap(() => compile([NonComponent])), (error) => {
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expect(error.message)
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.toEqual(
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`Could not compile '${stringify(NonComponent)}' because it is not a component.`);
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async.done();
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});
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}));
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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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it('should pass the right change detector to embedded templates',
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inject([AsyncTestCompleter], (async) => {
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compile([CompWithEmbeddedTemplate])
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.then((humanizedTemplate) => {
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expect(humanizedTemplate['commands'][1]['commands'][0]).toEqual('<template>');
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expect(humanizedTemplate['commands'][1]['commands'][1]['cd'])
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.toEqual(['elementProperty(href)=someCtxValue']);
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async.done();
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});
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}));
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it('should dedup directives', inject([AsyncTestCompleter], (async) => {
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compile([CompWithDupDirectives, TreeComp])
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.then((humanizedTemplate) => {
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expect(humanizedTemplate['commands'][1]['commands'][0]).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])
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.then((compiledHostTemplate) => humanizeTemplate(compiledHostTemplate.template));
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}
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runTests(compile);
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it('should cache components for parallel requests',
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inject([AsyncTestCompleter, XHR], (async, xhr: MockXHR) => {
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xhr.expect('package:angular2/test/compiler/compUrl.html', 'a');
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PromiseWrapper.all([compile([CompWithTemplateUrl]), compile([CompWithTemplateUrl])])
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.then((humanizedTemplates) => {
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expect(humanizedTemplates[0]['commands'][1]['commands']).toEqual(['#text(a)']);
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expect(humanizedTemplates[1]['commands'][1]['commands']).toEqual(['#text(a)']);
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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 cache components for sequential requests',
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inject([AsyncTestCompleter, XHR], (async, xhr: MockXHR) => {
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xhr.expect('package:angular2/test/compiler/compUrl.html', 'a');
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compile([CompWithTemplateUrl])
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.then((humanizedTemplate0) => {
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return compile([CompWithTemplateUrl])
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.then((humanizedTemplate1) => {
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expect(humanizedTemplate0['commands'][1]['commands'])
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.toEqual(['#text(a)']);
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expect(humanizedTemplate1['commands'][1]['commands'])
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.toEqual(['#text(a)']);
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async.done();
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});
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});
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xhr.flush();
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}));
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it('should allow to clear the cache',
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inject([AsyncTestCompleter, XHR], (async, xhr: MockXHR) => {
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xhr.expect('package:angular2/test/compiler/compUrl.html', 'a');
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compile([CompWithTemplateUrl])
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.then((humanizedTemplate) => {
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compiler.clearCache();
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xhr.expect('package:angular2/test/compiler/compUrl.html', 'b');
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var result = compile([CompWithTemplateUrl]);
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xhr.flush();
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return result;
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})
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.then((humanizedTemplate) => {
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expect(humanizedTemplate['commands'][1]['commands']).toEqual(['#text(b)']);
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async.done();
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});
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xhr.flush();
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}));
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});
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describe('compileTemplatesCodeGen', () => {
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function normalizeComponent(
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component: Type): 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(
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meta => compiler.normalizeDirectiveMetadata(meta)))
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.then((normalizedCompAndViewDirMetas: CompileDirectiveMetadata[]) =>
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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 = compiler.compileTemplatesCodeGen(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('normalizeDirectiveMetadata', () => {
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it('should return the given DirectiveMetadata for non components',
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inject([AsyncTestCompleter], (async) => {
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var meta = runtimeMetadataResolver.getMetadata(NonComponent);
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compiler.normalizeDirectiveMetadata(meta).then(normMeta => {
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expect(normMeta).toBe(meta);
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async.done();
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});
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}));
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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('package:angular2/test/compiler/compUrl.html', 'loadedTemplate');
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compiler.normalizeDirectiveMetadata(
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runtimeMetadataResolver.getMetadata(CompWithTemplateUrl))
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.then((meta: CompileDirectiveMetadata) => {
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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.normalizeDirectiveMetadata(meta).then((normMeta: CompileDirectiveMetadata) => {
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expect(normMeta.type).toEqual(meta.type);
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expect(normMeta.isComponent).toEqual(meta.isComponent);
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expect(normMeta.dynamicLoadable).toEqual(meta.dynamicLoadable);
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expect(normMeta.selector).toEqual(meta.selector);
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expect(normMeta.exportAs).toEqual(meta.exportAs);
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expect(normMeta.changeDetection).toEqual(meta.changeDetection);
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expect(normMeta.inputs).toEqual(meta.inputs);
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expect(normMeta.outputs).toEqual(meta.outputs);
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expect(normMeta.hostListeners).toEqual(meta.hostListeners);
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expect(normMeta.hostProperties).toEqual(meta.hostProperties);
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expect(normMeta.hostAttributes).toEqual(meta.hostAttributes);
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expect(normMeta.lifecycleHooks).toEqual(meta.lifecycleHooks);
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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 =
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compiler.compileStylesheetCodeGen('package:someModuleUrl', 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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host: {'[title]': 'someProp'},
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moduleId: THIS_MODULE_ID,
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exportAs: 'someExportAs'
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})
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@View({
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template: '<a [href]="someProp"></a>',
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styles: ['div {color: red}'],
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encapsulation: ViewEncapsulation.None
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})
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class CompWithBindingsAndStyles {
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}
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@Component({selector: 'tree', moduleId: THIS_MODULE_ID})
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@View({template: '<tree></tree>', directives: [TreeComp], encapsulation: ViewEncapsulation.None})
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class TreeComp {
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}
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@Component({selector: 'comp-wit-dup-tpl', moduleId: THIS_MODULE_ID})
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@View({
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template: '<tree></tree>',
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directives: [TreeComp, TreeComp],
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encapsulation: ViewEncapsulation.None
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})
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class CompWithDupDirectives {
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}
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@Component({selector: 'comp-url', moduleId: THIS_MODULE_ID})
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@View({templateUrl: 'compUrl.html', encapsulation: ViewEncapsulation.None})
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class CompWithTemplateUrl {
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}
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@Component({selector: 'comp-tpl', moduleId: THIS_MODULE_ID})
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@View({
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template: '<template><a [href]="someProp"></a></template>',
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encapsulation: ViewEncapsulation.None
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})
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class CompWithEmbeddedTemplate {
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}
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@Directive({selector: 'plain'})
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@View({template: ''})
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class NonComponent {
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}
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function testableTemplateModule(sourceModule: SourceModule,
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normComp: CompileDirectiveMetadata): SourceModule {
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var resultExpression =
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`${THIS_MODULE_REF}humanizeTemplate(Host${normComp.type.name}Template.template)`;
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var testableSource = `${sourceModule.sourceWithModuleRefs}
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${codeGenValueFn(['_'], resultExpression, '_run')};
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${codeGenExportVariable('run')}_run;`;
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return new SourceModule(sourceModule.moduleUrl, testableSource);
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}
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function testableStylesModule(sourceModule: SourceModule): SourceModule {
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var testableSource = `${sourceModule.sourceWithModuleRefs}
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${codeGenValueFn(['_'], 'STYLES', '_run')};
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${codeGenExportVariable('run')}_run;`;
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return new SourceModule(sourceModule.moduleUrl, testableSource);
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}
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// Attention: read by eval!
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export function humanizeTemplate(
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template: CompiledComponentTemplate,
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humanizedTemplates: Map<string, {[key: string]: any}> = null): {[key: string]: any} {
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if (isBlank(humanizedTemplates)) {
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humanizedTemplates = new Map<string, {[key: string]: any}>();
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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.changeDetectorFactory)
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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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class TestContext implements CompWithBindingsAndStyles, TreeComp, CompWithTemplateUrl,
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CompWithEmbeddedTemplate, CompWithDupDirectives {
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someProp: string;
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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<string, {[key: string]: any}>) {}
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visitText(cmd: TextCmd, context: any): any {
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this.result.push(`#text(${cmd.value})`);
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return null;
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}
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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.templateGetter(), 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 {
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this.result.push(`<template>`);
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this.result.push({'cd': testChangeDetector(cmd.changeDetectorFactory)});
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this.result.push(`</template>`);
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return null;
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}
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}
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