diff --git a/tests/Unit/Admin/Input/InputCollectionTest.php b/tests/Unit/Admin/Input/InputCollectionTest.php
new file mode 100644
index 0000000000..444f8b0825
--- /dev/null
+++ b/tests/Unit/Admin/Input/InputCollectionTest.php
@@ -0,0 +1,252 @@
+<?php
+declare( strict_types=1 );
+
+namespace Automattic\WooCommerce\GoogleListingsAndAds\Tests\Unit\Admin\Input;
+
+use Automattic\WooCommerce\GoogleListingsAndAds\Admin\Input\BooleanSelect;
+use Automattic\WooCommerce\GoogleListingsAndAds\Admin\Input\DateTime;
+use Automattic\WooCommerce\GoogleListingsAndAds\Admin\Input\Integer;
+use Automattic\WooCommerce\GoogleListingsAndAds\Admin\Input\Select;
+use Automattic\WooCommerce\GoogleListingsAndAds\Admin\Input\SelectWithTextInput;
+use Automattic\WooCommerce\GoogleListingsAndAds\Admin\Input\Text;
+use Automattic\WooCommerce\GoogleListingsAndAds\Tests\Framework\UnitTest;
+
+/**
+ * Class InputCollectionTest
+ *
+ * Test collection of classes extends the Automattic\WooCommerce\GoogleListingsAndAds\Admin\Input\Input class
+ *
+ * @package Automattic\WooCommerce\GoogleListingsAndAds\Tests\Unit\Admin\Input
+ */
+class InputCollectionTest extends UnitTest {
+	public function test_boolean_select() {
+		$input = new BooleanSelect();
+
+		$this->assertEquals( 'select', $input->get_type() );
+
+		// BooleanSelect doesn't reflect the call of set_options method
+		$input->set_options( [] );
+
+		$this->assertEquals(
+			[
+				''    => 'Default',
+				'yes' => 'Yes',
+				'no'  => 'No',
+			],
+			$input->get_options()
+		);
+
+		// Null by default
+		$this->assertNull( $input->get_view_data()['value'] );
+
+		// Convert to a 'yes' or 'no' if the data is the bool type
+		$input->set_data( true );
+		$this->assertEquals( 'yes', $input->get_view_data()['value'] );
+
+		$input->set_data( false );
+		$this->assertEquals( 'no', $input->get_view_data()['value'] );
+	}
+
+	public function test_date_time() {
+		$input = new DateTime();
+
+		$this->assertEquals( 'datetime', $input->get_type() );
+
+		// Null by default
+		$view_data = $input->get_view_data();
+
+		$this->assertNull( $view_data['value'] );
+		$this->assertArrayNotHasKey( 'date', $view_data );
+		$this->assertArrayNotHasKey( 'time', $view_data );
+
+		// Set date and time data with a string
+		$input->set_data( '2023-09-04T08:42:00+00:00' );
+		$view_data = $input->get_view_data();
+
+		$this->assertEquals( '2023-09-04 08:42:00', $view_data['value'] );
+		$this->assertEquals( '2023-09-04', $view_data['date'] );
+		$this->assertEquals( '08:42', $view_data['time'] );
+
+		// Set date and time data with a key-value array
+		$input->set_data(
+			[
+				'date' => '2024-01-02',
+				'time' => '19:27:56',
+			]
+		);
+		$view_data = $input->get_view_data();
+
+		$this->assertEquals( '2024-01-02 19:27:56', $view_data['value'] );
+		$this->assertEquals( '2024-01-02', $view_data['date'] );
+		$this->assertEquals( '19:27', $view_data['time'] );
+	}
+
+	public function test_integer() {
+		$input = new Integer();
+
+		$this->assertEquals( 'integer', $input->get_type() );
+		$this->assertEquals( 'woocommerce/product-number-field', $input->get_block_name() );
+	}
+
+	public function test_select() {
+		$input = new Select();
+
+		$this->assertEquals( 'select', $input->get_type() );
+		$this->assertEquals( 'select short', $input->get_view_data()['class'] );
+
+		// Empty options by default
+		$this->assertEquals( [], $input->get_options() );
+		$this->assertEquals( [], $input->get_view_data()['options'] );
+
+		// Set and get options
+		$options = [
+			'foo' => 'bar',
+			'hi'  => 'hello',
+		];
+		$input->set_options( $options );
+
+		$this->assertEquals( $options, $input->get_options() );
+		$this->assertEquals( $options, $input->get_view_data()['options'] );
+	}
+
+	public function test_selectwithtextinput() {
+		$input = new SelectWithTextInput();
+		$input->set_name( 'name' );
+
+		$this->assertEquals( 'select-with-text-input', $input->get_type() );
+
+		// Default view data
+		$this->assertEquals(
+			[
+				'id'                => 'gla_name',
+				'type'              => 'select-with-text-input',
+				'label'             => null,
+				'description'       => null,
+				'desc_tip'          => true,
+				'value'             => null,
+				'name'              => 'gla_name',
+				'is_root'           => true,
+				'children'          => [
+					'_gla_select'       => [
+						'id'          => 'gla_name__gla_select',
+						'type'        => 'select',
+						'label'       => null,
+						'description' => null,
+						'desc_tip'    => true,
+						'value'       => null,
+						'name'        => 'gla_name[_gla_select]',
+						'is_root'     => false,
+						'children'    => [],
+						'class'       => 'select short',
+						'options'     => [
+							'_gla_custom_value' => 'Enter a custom value',
+						],
+					],
+					'_gla_custom_value' => [
+						'id'            => 'gla_name__gla_custom_value',
+						'type'          => 'text',
+						'label'         => 'Enter your value',
+						'description'   => null,
+						'desc_tip'      => true,
+						'value'         => null,
+						'name'          => 'gla_name[_gla_custom_value]',
+						'is_root'       => false,
+						'children'      => [],
+						'wrapper_class' => 'custom-input',
+					],
+				],
+				'gla_wrapper_class' => ' select-with-text-input',
+			],
+			$input->get_view_data()
+		);
+
+		// After calling setters
+		$input
+			->set_label( 'Hi label' )
+			->set_description( 'Hello description' )
+			->set_options(
+				[
+					''               => 'Default name',
+					'use_admin_name' => 'Use admin name',
+				]
+			);
+
+		$this->assertEquals(
+			[
+				'id'                => 'gla_name',
+				'type'              => 'select-with-text-input',
+				'label'             => 'Hi label',
+				'description'       => 'Hello description',
+				'desc_tip'          => true,
+				'value'             => null,
+				'name'              => 'gla_name',
+				'is_root'           => true,
+				'children'          => [
+					'_gla_select'       => [
+						'id'          => 'gla_name__gla_select',
+						'type'        => 'select',
+						'label'       => 'Hi label',
+						'description' => 'Hello description',
+						'desc_tip'    => true,
+						'value'       => null,
+						'name'        => 'gla_name[_gla_select]',
+						'is_root'     => false,
+						'children'    => [],
+						'class'       => 'select short',
+						'options'     => [
+							'_gla_custom_value' => 'Enter a custom value',
+							''                  => 'Default name',
+							'use_admin_name'    => 'Use admin name',
+						],
+					],
+					'_gla_custom_value' => [
+						'id'            => 'gla_name__gla_custom_value',
+						'type'          => 'text',
+						'label'         => 'Enter your value',
+						'description'   => null,
+						'desc_tip'      => true,
+						'value'         => null,
+						'name'          => 'gla_name[_gla_custom_value]',
+						'is_root'       => false,
+						'children'      => [],
+						'wrapper_class' => 'custom-input',
+					],
+				],
+				'gla_wrapper_class' => ' select-with-text-input',
+			],
+			$input->get_view_data()
+		);
+
+		// Selected an option other than value from the custom text input
+		$input->set_data(
+			[
+				'_gla_select'       => 'use_admin_name',
+				'_gla_custom_value' => null,
+			]
+		);
+
+		$this->assertEquals( 'use_admin_name', $input->get_view_data()['value'] );
+		$this->assertEquals( 'use_admin_name', $input->get_view_data()['children']['_gla_select']['value'] );
+		$this->assertNull( $input->get_view_data()['children']['_gla_custom_value']['value'] );
+
+		// Selected the _gla_custom_value option and entered a value via the custom text input
+		$input->set_data(
+			[
+				'_gla_select'       => 'mismatching any option',
+				'_gla_custom_value' => 'Say my name!',
+			]
+		);
+
+		$this->assertEquals( 'Say my name!', $input->get_view_data()['value'] );
+		$this->assertEquals( '_gla_custom_value', $input->get_view_data()['children']['_gla_select']['value'] );
+		$this->assertEquals( 'Say my name!', $input->get_view_data()['children']['_gla_custom_value']['value'] );
+	}
+
+
+	public function test_text() {
+		$input = new Text();
+
+		$this->assertEquals( 'text', $input->get_type() );
+		$this->assertEquals( 'woocommerce/product-text-field', $input->get_block_name() );
+	}
+}
diff --git a/tests/Unit/Admin/Input/InputTest.php b/tests/Unit/Admin/Input/InputTest.php
new file mode 100644
index 0000000000..1277477410
--- /dev/null
+++ b/tests/Unit/Admin/Input/InputTest.php
@@ -0,0 +1,187 @@
+<?php
+declare( strict_types=1 );
+
+namespace Automattic\WooCommerce\GoogleListingsAndAds\Tests\Unit\Admin\Input;
+
+use Automattic\WooCommerce\GoogleListingsAndAds\Admin\Input\Input;
+use Automattic\WooCommerce\GoogleListingsAndAds\Admin\Input\Form;
+use Automattic\WooCommerce\GoogleListingsAndAds\Tests\Framework\UnitTest;
+
+/**
+ * Class InputTest
+ *
+ * @package Automattic\WooCommerce\GoogleListingsAndAds\Tests\Unit\Admin\Input
+ */
+class InputTest extends UnitTest {
+	/** @var Input $input */
+	protected $input;
+
+	public function setUp(): void {
+		parent::setUp();
+		$this->input = new Input( 'text', 'woocommerce/product-text-field' );
+	}
+
+	public function test_constructor_and_init_values() {
+		$input = new Input( 'integer', 'woocommerce/product-number-field' );
+
+		$this->assertEquals( 'integer', $input->get_type() );
+		$this->assertEquals( 'woocommerce/product-number-field', $input->get_block_name() );
+	}
+
+	public function test_set_id_get_id() {
+		$this->assertNull( $this->input->get_id() );
+		$this->input->set_id( 'color' );
+		$this->assertEquals( 'color', $this->input->get_id() );
+	}
+
+	public function test_set_label_get_label() {
+		$this->assertNull( $this->input->get_label() );
+		$this->input->set_label( 'Color' );
+		$this->assertEquals( 'Color', $this->input->get_label() );
+	}
+
+	public function test_set_description_get_description() {
+		$this->assertNull( $this->input->get_description() );
+		$this->input->set_description( 'Color of the product' );
+		$this->assertEquals( 'Color of the product', $this->input->get_description() );
+	}
+
+	public function test_set_value_get_value() {
+		$this->assertNull( $this->input->get_value() );
+		$this->input->set_value( 'black' );
+		$this->assertEquals( 'black', $this->input->get_value() );
+	}
+
+	public function test_get_view_id() {
+		$this->input->set_name( 'leaf' );
+		$this->assertEquals( 'gla_leaf', $this->input->get_view_id() );
+
+		// An input can have a Form parent
+		$this->input->set_id( 'leaf' );
+		$form = new Form();
+		$form->add( $this->input );
+		$this->assertEquals( 'gla__leaf', $this->input->get_view_id() );
+
+		// The depth of the tree structure of Form and Input can be > 1. Depth starts from 0
+		$nested_input = new Input( 'text', '' );
+		$nested_input->set_id( 'mid-node' );
+		$form->remove( 'leaf' );
+		$form->add( $nested_input );
+		$nested_input->add( $this->input );
+		$this->assertEquals( 'gla__mid-node_leaf', $this->input->get_view_id() );
+	}
+
+	public function test_get_view_data() {
+		$form = new Form();
+		$leaf = new Input( 'select', '' );
+
+		$this->input
+			->set_id( 'color' )
+			->set_label( 'Color' )
+			->set_value( 'black' )
+			->set_description( 'Color of the product' )
+			->set_name( 'attr_color' );
+
+		$leaf
+			->set_id( 'leaf' )
+			->set_name( 'attr_leaf' );
+
+		$form->add( $this->input );
+		$this->input->add( $leaf );
+
+		$this->assertEquals(
+			[
+				// Input
+				'id'          => 'gla__color',
+				'type'        => 'text',
+				'label'       => 'Color',
+				'value'       => 'black',
+				'description' => 'Color of the product',
+				'desc_tip'    => true,
+				// Form
+				'name'        => 'gla_[attr_color]',
+				'is_root'     => false,
+				'children'    => [
+					'attr_leaf' => [
+						// Input
+						'id'          => 'gla__color_leaf',
+						'type'        => 'select',
+						'label'       => null,
+						'value'       => null,
+						'description' => null,
+						'desc_tip'    => true,
+						// Form
+						'name'        => 'gla_[attr_color][attr_leaf]',
+						'is_root'     => false,
+						'children'    => [],
+					],
+				],
+			],
+			$this->input->get_view_data()
+		);
+	}
+
+	public function test_set_block_attribute_get_block_attributes() {
+		$this->input->set_id( 'color' );
+
+		$this->assertEquals(
+			[
+				'property' => 'meta_data._wc_gla_color',
+				'label'    => null,
+				'tooltip'  => null,
+			],
+			$this->input->get_block_attributes()
+		);
+
+		$this->input->set_label( 'Color' );
+		$this->input->set_description( 'Color of the product' );
+
+		$this->assertEquals(
+			[
+				'property' => 'meta_data._wc_gla_color',
+				'label'    => 'Color',
+				'tooltip'  => 'Color of the product',
+			],
+			$this->input->get_block_attributes()
+		);
+
+		$this->input->set_block_attribute( 'required', true );
+		$this->input->set_block_attribute( 'min', 10 );
+		$this->input->set_block_attribute( 'placeholder', 'Enter a color' );
+
+		$this->assertEquals(
+			[
+				'property'    => 'meta_data._wc_gla_color',
+				'label'       => 'Color',
+				'tooltip'     => 'Color of the product',
+				'required'    => true,
+				'min'         => 10,
+				'placeholder' => 'Enter a color',
+			],
+			$this->input->get_block_attributes()
+		);
+	}
+
+	public function test_get_block_config() {
+		$this->input->set_id( 'size' );
+		$this->input->set_label( 'Size' );
+		$this->input->set_description( 'Size of the product' );
+		$this->input->set_block_attribute( 'maxLength', 120 );
+		$this->input->set_block_attribute( 'help', 'Hello!' );
+
+		$this->assertEquals(
+			[
+				'id'         => 'google-listings-and-ads-product-attributes-size',
+				'blockName'  => 'woocommerce/product-text-field',
+				'attributes' => [
+					'property'  => 'meta_data._wc_gla_size',
+					'label'     => 'Size',
+					'tooltip'   => 'Size of the product',
+					'maxLength' => 120,
+					'help'      => 'Hello!',
+				],
+			],
+			$this->input->get_block_config()
+		);
+	}
+}