Add tests for ::get_contents().

Author: costdev

tests/phpunit/tests/filesystem/wpFilesystemDirect/getContents.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * Tests for the WP_Filesystem_Direct::get_contents() method.
+ *
+ * @package WordPress
+ */
+
+require_once __DIR__ . '/base.php';
+
+/**
+ * @group admin
+ * @group filesystem
+ * @group filesystem-direct
+ *
+ * @covers WP_Filesystem_Direct::get_contents
+ */
+class Tests_Filesystem_WpFilesystemDirect_GetContents extends WP_Filesystem_Direct_UnitTestCase {
+
+	/**
+	 * Tests that `WP_Filesystem_Direct::get_contents()` gets the
+	 * contents of the provided $file.
+	 *
+	 * @ticket 57774
+	 */
+	public function test_should_get_the_contents_of_a_file() {
+		$file = self::$file_structure['visible_file']['path'];
+
+		$this->assertSame(
+			"Contents of a file.\r\nNext line of a file.\r\n",
+			self::$filesystem->get_contents( $file )
+		);
+	}
+
+	/**
+	 * Tests that `WP_Filesystem_Direct::get_contents()`
+	 * returns false for a file that does not exist.
+	 *
+	 * @ticket 57774
+	 *
+	 * @dataProvider data_paths_that_do_not_exist
+	 *
+	 * @param string $path The path.
+	 */
+	public function test_should_return_false( $path ) {
+		$this->assertFalse( self::$filesystem->get_contents( self::$file_structure['test_dir']['path'] . $path ) );
+	}
+
+}