From 579968baaf773094065e4333271b2535c2f9aeb3 Mon Sep 17 00:00:00 2001
From: Jeff Stieler <jeff.m.stieler@gmail.com>
Date: Tue, 18 Dec 2018 11:03:11 -0700
Subject: [PATCH] Add tests for textContent().

---
 .../src/filters/advanced/test/utils.js        | 83 +++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 packages/components/src/filters/advanced/test/utils.js

diff --git a/packages/components/src/filters/advanced/test/utils.js b/packages/components/src/filters/advanced/test/utils.js
new file mode 100644
index 00000000000..4c5ea89618a
--- /dev/null
+++ b/packages/components/src/filters/advanced/test/utils.js
@@ -0,0 +1,83 @@
+/**
+ * Internal dependencies
+ */
+import { textContent } from '../utils';
+
+describe( 'textContent()', () => {
+	test( 'should be got text `Hello World`', () => {
+		const component = (
+			<div>
+				<h1>Hello</h1> World
+			</div>
+		);
+
+		expect( textContent( component ) ).toBe( 'Hello World' );
+	} );
+
+	test( 'render variable', () => {
+		const component = (
+			<div>
+				<h1>Hello</h1> { 'World' + '2' }
+			</div>
+		);
+
+		expect( textContent( component ) ).toBe( 'Hello World2' );
+	} );
+
+	test( 'render variable2', () => {
+		const component = (
+			<div>
+				<h1>Hello</h1> { 1 + 1 }
+			</div>
+		);
+
+		expect( textContent( component ) ).toBe( 'Hello 2' );
+	} );
+
+	test( 'should output empty string', () => {
+		const component = ( <div /> );
+
+		expect( textContent( component ) ).toBe( '' );
+	} );
+
+	test( 'array children', () => {
+		const component = (
+			<div>
+				<h1>Hello</h1> World
+				{
+					[ 'a', <h2 key="b">b</h2> ]
+				}
+			</div>
+		);
+
+		expect( textContent( component ) ).toBe( 'Hello Worldab' );
+	} );
+
+	test( 'array children with null', () => {
+		const component = (
+			<div>
+				<h1>Hello</h1> World
+				{
+					[ 'a', null ]
+				}
+			</div>
+		);
+
+		expect( textContent( component ) ).toBe( 'Hello Worlda' );
+	} );
+
+	test( 'array component', () => {
+		const component = ( [
+			<h1>a</h1>,
+			'b',
+			'c',
+			(
+				<div>
+					<h2>x</h2>y
+				</div>
+			),
+		] );
+
+		expect( textContent( component ) ).toBe( 'abcxy' );
+	} );
+} );