Automattic / jetpack

		$this->assertTrue( $availability['apple']['available'] );

	}

	function test_registered_block_is_not_available() {

		Jetpack_Gutenberg::set_extension_unavailable( 'jetpack/banana', 'bar' );

		$availability = Jetpack_Gutenberg::get_availability();

		$this->assertFalse( $availability['banana']['available'], 'banana is available!' );

		$this->assertEquals( $availability['banana']['unavailable_reason'], 'bar', 'unavailable_reason is not "bar"' );

	}

	function test_registered_block_is_not_available_when_not_defined_in_whitelist() {

		jetpack_register_block( 'jetpack/durian' );

		$this->assertArrayNotHasKey( 'durian', $availability, 'durian is available!' );

	}

	function test_block_is_not_available_when_not_registered_returns_missing_module() {

		$availability = Jetpack_Gutenberg::get_availability();

		// 'unavailable_reason' should be 'missing_module' if the block wasn't registered

		$this->assertFalse( $availability['grape']['available'], 'Availability is not false exists' );

		$this->assertEquals( $availability['grape']['unavailable_reason'], 'missing_module', 'unavailable_reason is not "missing_module"'  );

	}

	// Plugins

	function test_registered_plugin_is_available() {

		$this->assertTrue( $availability['onion']['available'] );

	}

	function test_registered_plugin_is_not_available() {

		Jetpack_Gutenberg::set_extension_unavailable( 'jetpack/potato', 'bar' );

		$availability = Jetpack_Gutenberg::get_availability();

		$this->assertFalse( $availability['potato']['available'], 'potato is available!' );

		$this->assertEquals( $availability['potato']['unavailable_reason'], 'bar', 'unavailable_reason is not "bar"' );

	}

	function test_registered_plugin_is_not_available_when_not_defined_in_whitelist() {

		Jetpack_Gutenberg::set_extension_available( 'jetpack/parsnip' );

	}

	function test_plugin_is_not_available_when_not_registered_returns_missing_module() {

		$availability = Jetpack_Gutenberg::get_availability();

		// 'unavailable_reason' should be 'missing_module' if the block wasn't registered

		$this->assertFalse( $availability['tomato']['available'], 'Availability is not false exists' );

		$this->assertEquals( $availability['tomato']['unavailable_reason'], 'missing_module', 'unavailable_reason is not "missing_module"'  );

	}

	function test_get_available_extensions() {

		$extensions = Jetpack_Gutenberg::get_available_extensions( $this->get_extensions_whitelist() );