Add unit tests

packages/blocks/src/api/raw-handling/test/html-formatting-remover.js

@@ -0,0 +1,94 @@
+/**
+ * Internal dependencies
+ */
+import filter from '../html-formatting-remover';
+import { deepFilterHTML } from '../utils';
+
+describe( 'HTMLFormattingRemover', () => {
+	it( 'should remove formatting space', () => {
+		const input = `
+			<div>
+				a
+				b
+			</div>
+		`;
+		const output = '<div>a b</div>';
+		expect( deepFilterHTML( input, [ filter ] ) ).toEqual( output );
+	} );
+
+	it( 'should remove nested formatting space', () => {
+		const input = `
+			<div>
+				<strong>
+					a
+					b
+				</strong>
+			</div>
+		`;
+		const output = '<div><strong>a b</strong></div>';
+		expect( deepFilterHTML( input, [ filter ] ) ).toEqual( output );
+	} );
+
+	it( 'should not remove leading or trailing space if previous or next element has no space', () => {
+		const input = `
+			<div>
+				a
+				<strong>b</strong>
+				c
+			</div>
+		`;
+		const output = '<div>a <strong>b</strong> c</div>';
+		expect( deepFilterHTML( input, [ filter ] ) ).toEqual( output );
+	} );
+
+	it( 'should remove formatting space (empty)', () => {
+		const input = `
+			<div>
+			</div>
+		`;
+		const output = '<div></div>';
+		expect( deepFilterHTML( input, [ filter ] ) ).toEqual( output );
+	} );
+
+	it( 'should remove block level formatting space', () => {
+		const input = `
+			<div>
+				<div>
+					a
+				</div>
+				<div>
+					b
+				</div>
+			</div>
+		`;
+		const output = '<div><div>a</div><div>b</div></div>';
+		expect( deepFilterHTML( input, [ filter ] ) ).toEqual( output );
+	} );
+
+	it( 'should remove formatting space around br', () => {
+		const input = `
+			<div>
+				a
+				<br>
+				b
+			</div>
+		`;
+		const output = '<div>a<br>b</div>';
+		expect( deepFilterHTML( input, [ filter ] ) ).toEqual( output );
+	} );
+
+	it( 'should remove formatting space around phasing content elements', () => {
+		const input = `
+			<div>
+				<strong>
+					a
+				</strong>
+				<strong>
+					b
+				</strong>
+			</div>
+		`;
+		const output = '<div><strong>a</strong><strong> b</strong></div>';
+		expect( deepFilterHTML( input, [ filter ] ) ).toEqual( output );
+	} );
+} );