tests for Carbon_Breadcrumb_Admin::is_enabled()

tests/unit-tests/Carbon_Breadcrumb_Admin/CarbonBreadcrumbAdminIsEnabledTest.php

@@ -0,0 +1,71 @@
+<?php
+/**
+ * @group admin
+ */
+class CarbonBreadcrumbAdminIsEnabledTest extends WP_UnitTestCase {
+
+	public function setUp() {
+		$this->admin = $this->getMock('Carbon_Breadcrumb_Admin', array('current_dir'), array(), '', false);
+	}
+
+	public function tearDown() {
+		unset( $this->admin );
+	}
+
+	/**
+	 * @covers Carbon_Breadcrumb_Admin::is_enabled
+	 */
+	public function testWhenInstalledAsPlugin() {
+		$plugins_path = untrailingslashit( ABSPATH ) . DIRECTORY_SEPARATOR . 'wp-content' . DIRECTORY_SEPARATOR . 'plugins';
+		$this->admin->expects($this->any())
+			->method('current_dir')
+			->will($this->returnValue($plugins_path));
+
+		$this->assertTrue( $this->admin->is_enabled() );
+	}
+
+	/**
+	 * @covers Carbon_Breadcrumb_Admin::is_enabled
+	 * @runInSeparateProcess
+	 */
+	public function testWithAdminConstantDefined() {
+		$this->admin->expects($this->any())
+			->method('current_dir')
+			->will($this->returnValue(ABSPATH));
+
+		define('CARBON_BREADCRUMB_ENABLE_ADMIN', true);
+
+		$this->assertTrue( $this->admin->is_enabled() );
+	}
+
+	/**
+	 * @covers Carbon_Breadcrumb_Admin::is_enabled
+	 */
+	public function testWithEnablingFilter() {
+		$this->admin->expects($this->any())
+			->method('current_dir')
+			->will($this->returnValue(ABSPATH));
+
+		add_filter( 'carbon_breadcrumb_enable_admin', array( $this, '__return_true' ) );
+
+		$this->assertTrue( $this->admin->is_enabled() );
+
+		remove_filter( 'carbon_breadcrumb_enable_admin', array( $this, '__return_true' ) );
+	}
+
+	/**
+	 * @covers Carbon_Breadcrumb_Admin::is_enabled
+	 */
+	public function testWithNoEnabledConditions() {
+		$this->admin->expects($this->any())
+			->method('current_dir')
+			->will($this->returnValue(ABSPATH));
+
+		$this->assertFalse( $this->admin->is_enabled() );
+	}
+
+	public function __return_true() {
+		return true;
+	}
+
+}