Use same structure for tests as src

tests/parsers/directive.parser.spec.ts

@@ -0,0 +1,83 @@
+import { expect } from 'chai';
+
+import { DirectiveParser } from '../../src/parsers/directive.parser';
+
+describe('DirectiveParser', () => {
+
+	const templateFilename: string = 'test.template.html';
+	const componentFilename: string = 'test.component.ts';
+
+	let parser: DirectiveParser;
+
+	beforeEach(() => {
+		parser = new DirectiveParser();
+	});
+
+	it('should extract contents when no translate attribute value is provided', () => {
+		const contents = '<div translate>Hello World</div>';
+		const messages = parser.process(templateFilename, contents);
+		expect(messages).to.deep.equal(['Hello World']);
+	});
+
+	it('should extract translate attribute if provided', () => {
+		const contents = '<div translate="KEY">Hello World<div>';
+		const messages = parser.process(templateFilename, contents);
+		expect(messages).to.deep.equal(['KEY']);
+	});
+
+	it('should extract bound translate attribute as key if provided', () => {
+		const contents = `<div [translate]="'KEY'">Hello World<div>`;
+		const messages = parser.process(templateFilename, contents);
+		expect(messages).to.deep.equal(['KEY']);
+	});
+
+	it('should extract direct text nodes when no translate attribute value is provided', () => {
+		const contents = `
+			<div translate>
+				<span>&#10003;</span>
+				Hello <strong>World</strong>
+				Hi <em>there</em>
+			</div>
+		`;
+		const messages = parser.process(templateFilename, contents);
+		expect(messages).to.deep.equal(['Hello', 'Hi']);
+	});
+
+	it('should extract direct text nodes of tags with a translate attribute', () => {
+		const contents = `
+			<div translate>
+				<span>&#10003;</span>
+				Hello World
+				<div translate>Hi there</div>
+			</div>
+		`;
+		const messages = parser.process(templateFilename, contents);
+		expect(messages).to.deep.equal(['Hello World', 'Hi there']);
+	});
+
+	it('should extract translate attribute if provided or direct text nodes if not', () => {
+		const contents = `
+			<div translate="KEY">
+				<span>&#10003;</span>
+				Hello World
+				<p translate>Hi there</p>
+				<p [translate]="'OTHER_KEY'">Lorem Ipsum</p>
+			</div>
+		`;
+		const messages = parser.process(templateFilename, contents);
+		expect(messages).to.deep.equal(['KEY', 'Hi there', 'OTHER_KEY']);
+	});
+
+	it('should extract and parse inline template', () => {
+		const contents = `
+			@Component({
+				selector: 'test',
+				template: '<p translate>Hello World</p>'
+			})
+			export class TestComponent { }
+		`;
+		const messages = parser.process(componentFilename, contents);
+		expect(messages).to.deep.equal(['Hello World']);
+	});
+
+});