Add experimental AstServiceParser

tests/parsers/ast-service.parser.spec.ts

@@ -0,0 +1,154 @@
+import { expect } from 'chai';
+
+import { AstServiceParser } from '../../src/parsers/ast-service.parser';
+
+class TestAstServiceParser extends AstServiceParser {
+
+	/*public getInstancePropertyName(): string {
+		return this._getInstancePropertyName();
+	}*/
+
+}
+
+describe('AstServiceParser', () => {
+
+	const componentFilename: string = 'test.component.ts';
+
+	let parser: TestAstServiceParser;
+
+	beforeEach(() => {
+		parser = new TestAstServiceParser();
+	});
+
+	/*it('should extract variable used for TranslateService', () => {
+		const contents = `
+			@Component({ })
+			export class AppComponent {
+				public constructor(
+					_serviceA: ServiceA,
+					public _serviceB: ServiceB,
+					protected _translateService: TranslateService
+			) { }
+		`;
+		const name = parser.getInstancePropertyName();
+		expect(name).to.equal('_translateService');
+	});*/
+
+	it('should extract strings in TranslateService\'s get() method', () => {
+		const contents = `
+			@Component({ })
+			export class AppComponent {
+				public constructor(protected _translateService: TranslateService) { }
+				public test() {
+					this._translateService.get('Hello World');
+				}
+		`;
+		const keys = parser.extract(contents, componentFilename).keys();
+		expect(keys).to.deep.equal(['Hello World']);
+	});
+
+	it('should extract strings in TranslateService\'s instant() method', () => {
+		const contents = `
+			@Component({ })
+			export class AppComponent {
+				public constructor(protected _translateService: TranslateService) { }
+				public test() {
+					this._translateService.instant('Hello World');
+				}
+		`;
+		const keys = parser.extract(contents, componentFilename).keys();
+		expect(keys).to.deep.equal(['Hello World']);
+	});
+
+	it('should extract array of strings in TranslateService\'s get() method', () => {
+		const contents = `
+			@Component({ })
+			export class AppComponent {
+				public constructor(protected _translateService: TranslateService) { }
+				public test() {
+					this._translateService.get(['Hello', 'World']);
+				}
+		`;
+		const keys = parser.extract(contents, componentFilename).keys();
+		expect(keys).to.deep.equal(['Hello', 'World']);
+	});
+
+	it('should extract array of strings in TranslateService\'s instant() method', () => {
+		const contents = `
+			@Component({ })
+			export class AppComponent {
+				public constructor(protected _translateService: TranslateService) { }
+				public test() {
+					this._translateService.instant(['Hello', 'World']);
+				}
+		`;
+		const key = parser.extract(contents, componentFilename).keys();
+		expect(key).to.deep.equal(['Hello', 'World']);
+	});
+
+	it('should not extract strings in get()/instant() methods of other services', () => {
+		const contents = `
+			@Component({ })
+			export class AppComponent {
+				public constructor(
+					protected _translateService: TranslateService,
+					protected _otherService: OtherService
+				) { }
+				public test() {
+					this._otherService.get('Hello World');
+					this._otherService.instant('Hi there');
+				}
+		`;
+		const keys = parser.extract(contents, componentFilename).keys();
+		expect(keys).to.deep.equal([]);
+	});
+
+	it('should extract strings with liberal spacing', () => {
+		const contents = `
+			@Component({ })
+			export class AppComponent {
+				public constructor(
+					protected _translateService: TranslateService,
+					protected _otherService: OtherService
+				) { }
+				public test() {
+					this._translateService.instant('Hello');
+					this._translateService.get ( 'World' );
+					this._translateService.instant ( ['How'] );
+					this._translateService.get([ 'Are' ]);
+					this._translateService.get([ 'You' , 'Today' ]);
+				}
+		`;
+		const keys = parser.extract(contents, componentFilename).keys();
+		expect(keys).to.deep.equal(['Hello', 'World', 'How', 'Are', 'You', 'Today']);
+	});
+
+	it('should not extract string when not accessing property', () => {
+		const contents = `
+			@Component({ })
+			export class AppComponent {
+				public constructor(protected trans: TranslateService) { }
+				public test() {
+					trans.get("You are expected at {{time}}", {time: moment.format('H:mm')}).subscribe();
+				}
+			}
+		`;
+		const keys = parser.extract(contents, componentFilename).keys();
+		expect(keys).to.deep.equal([]);
+	});
+
+	it('should extract string with params on same line', () => {
+		const contents = `
+			@Component({ })
+			export class AppComponent {
+				public constructor(protected _translateService: TranslateService) { }
+				public test() {
+					this._translateService.get('You are expected at {{time}}', {time: moment.format('H:mm')});
+				}
+			}
+		`;
+		const keys = parser.extract(contents, componentFilename).keys();
+		expect(keys).to.deep.equal(['You are expected at {{time}}']);
+	});
+
+});

tests/parsers/service.parser.spec.ts

@@ -137,4 +137,19 @@ describe('ServiceParser', () => {
 		expect(keys).to.deep.equal([]);
 	});
 
+	// FAILS (Use AstServiceParser)
+	/*it('should extract string with params on same line', () => {
+		const contents = `
+			@Component({ })
+			export class AppComponent {
+				public constructor(protected _translateService: TranslateService) { }
+				public test() {
+					this._translateService.get('You are expected at {{time}}', {time: moment.format('H:mm')});
+				}
+			}
+		`;
+		const keys = parser.extract(contents, componentFilename).keys();
+		expect(keys).to.deep.equal(['You are expected at {{time}}']);
+	});*/
+
 });