diff --git a/src/blocks/dynamic-separator/test/transforms.spec.js b/src/blocks/dynamic-separator/test/transforms.spec.js
new file mode 100644
index 00000000000..61ff2345a30
--- /dev/null
+++ b/src/blocks/dynamic-separator/test/transforms.spec.js
@@ -0,0 +1,49 @@
+/**
+ * External dependencies
+ */
+import { registerCoreBlocks } from '@wordpress/block-library';
+import { registerBlockType, createBlock, switchToBlockType } from '@wordpress/blocks';
+
+registerCoreBlocks();
+
+/**
+ * Internal dependencies.
+ */
+import { name, settings } from '../index';
+
+describe( 'coblocks/dynamic-separator transforms', () => {
+	beforeAll( () => {
+		// Register the block.
+		registerBlockType( name, { category: 'common', ...settings } );
+	} );
+
+	it( 'should transform from core/spacer block', () => {
+		const coreSpacer = createBlock( 'core/spacer', { height: 200 } );
+		const transformed = switchToBlockType( coreSpacer, name );
+
+		expect( transformed[ 0 ].isValid ).toBe( true );
+		expect( transformed[ 0 ].attributes.height ).toBe( 200 );
+	} );
+
+	it( 'should transform from core/separator block', () => {
+		const coreSeparator = createBlock( 'core/separator' );
+
+		const transformed = switchToBlockType( coreSeparator, name );
+		expect( transformed[ 0 ].isValid ).toBe( true );
+	} );
+
+	it( 'should transform to core/spacer block', () => {
+		const block = createBlock( name, { height: 200 } );
+		const transformed = switchToBlockType( block, 'core/spacer' );
+
+		expect( transformed[ 0 ].isValid ).toBe( true );
+		expect( transformed[ 0 ].attributes.height ).toBe( 200 );
+	} );
+
+	it( 'should transform to core/separator block', () => {
+		const block = createBlock( name );
+		const transformed = switchToBlockType( block, 'core/separator' );
+
+		expect( transformed[ 0 ].isValid ).toBe( true );
+	} );
+} );