angular-docs-cn/aio/tools/transforms/examples-package/services/getExampleRegion.spec.js

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JavaScript

var testPackage = require('../../helpers/test-package');
var Dgeni = require('dgeni');
describe('getExampleRegion', () => {
var dgeni, injector, getExampleRegion, collectExamples, exampleMap;
beforeEach(function() {
dgeni = new Dgeni([testPackage('examples-package', true)]);
injector = dgeni.configureInjector();
getExampleRegion = injector.get('getExampleRegion');
collectExamples = injector.get('collectExamples');
exampleMap = injector.get('exampleMap');
collectExamples.exampleFolders = ['examples'];
collectExamples.registerIgnoredExamples(['filtered/path'], 'some/gitignore');
exampleMap['examples'] = {
'test/url': { regions: {
'': { renderedContent: 'whole file' },
'region-1': { renderedContent: 'region 1 contents' }
} }
};
});
it('should contain the whole contents from the example file if no region is specified', () => {
expect(getExampleRegion({}, 'test/url')).toEqual('whole file');
});
it('should contain the region contents from the example file if a region is specified', () => {
expect(getExampleRegion({}, 'test/url', 'region-1')).toEqual('region 1 contents');
});
it('should throw an error if an example doesn\'t exist', () => {
expect(() => {
getExampleRegion({}, 'missing/file', 'region-1');
}).toThrowError('Missing example file... relativePath: "missing/file". - doc\nExample files can be found in the following relative paths: "examples"');
expect(() => {
getExampleRegion({}, 'test/url', 'missing-region');
}).toThrowError('Missing example region... relativePath: "test/url", region: "missing-region". - doc\nRegions available are: "", "region-1"');
});
it('should throw an error if an example has been filtered out', () => {
expect(() => {
getExampleRegion({}, 'filtered/path', 'any-region');
}).toThrowError('Ignored example file... relativePath: "filtered/path" - doc\n' +
'This example file exists but has been ignored by a rule, in "some/gitignore".');
});
});