build(aio): refactor dgeni packages

This is to tidy up the `author-packagse`, which currently duplicates a
lot of the configuration in the main packages. We need to
DRY this up so that we don't fall foul of a change in one being missed in
the other.

aio/tools/transforms/angular-base-package/processors/generateKeywords.spec.js

@@ -0,0 +1,41 @@
+const testPackage = require('../../helpers/test-package');
+const mockLogger = require('dgeni/lib/mocks/log')(false);
+const processorFactory = require('./generateKeywords');
+const Dgeni = require('dgeni');
+
+const mockReadFilesProcessor = {
+  basePath: 'base/path'
+};
+
+describe('generateKeywords processor', () => {
+
+  it('should be available on the injector', () => {
+    const dgeni = new Dgeni([testPackage('angular-base-package')]);
+    const injector = dgeni.configureInjector();
+    const processor = injector.get('generateKeywordsProcessor');
+    expect(processor.$process).toBeDefined();
+  });
+
+  it('should run after the correct processor', () => {
+    const processor = processorFactory(mockLogger, mockReadFilesProcessor);
+    expect(processor.$runAfter).toEqual(['paths-computed']);
+  });
+
+  it('should run before the correct processor', () => {
+    const processor = processorFactory(mockLogger, mockReadFilesProcessor);
+    expect(processor.$runBefore).toEqual(['rendering-docs']);
+  });
+
+  it('should ignore internal and private exports', () => {
+    const processor = processorFactory(mockLogger, mockReadFilesProcessor);
+    const docs = [
+      { docType: 'class', name: 'PublicExport' },
+      { docType: 'class', name: 'PrivateExport', privateExport: true },
+      { docType: 'class', name: 'InternalExport', internal: true }
+    ];
+    processor.$process(docs);
+    expect(docs[docs.length - 1].data).toEqual([
+      jasmine.objectContaining({ title: 'PublicExport', type: 'class'})
+    ]);
+  });
+});