Add PHP unit tests

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4dev/tests/CoreLibsCheckFileTest.php

@@ -7,40 +7,42 @@ namespace tests;
 use PHPUnit\Framework\TestCase;
 
 /**
- * Undocumented class
+ * Test class for Check\File
  * @testdox CoreLibs\Check\File method tests
  */
 final class CoreLibsCheckFileTest extends TestCase
 {
 	/** @var array<mixed> */
-	private $files = [];
-
-	protected function setUp(): void
-	{
-		// write a dummy files for testing
-	}
-
-	protected function tearDown(): void
-	{
-		// unlink files
-	}
+	// private $files_list = [];
+	/** @var string */
+	private $base_folder = DIRECTORY_SEPARATOR . 'tmp' . DIRECTORY_SEPARATOR;
 
 	/**
 	 * main file list + data provider
 	 *
+	 * filename, file extension matching, lines in file, -1 for nothing
+	 *
 	 * @return array
 	 */
 	public function filesList(): array
 	{
 		return [
-			['filename.txt', 'txt', 5]
+			['filename.txt', 'txt', 5],
+			['filename.csv', 'csv', 15],
+			['filename.tsv', 'tsv', 0],
+			['file_does_not_exits', '', -1],
 		];
 	}
 
+	/**
+	 * Undocumented function
+	 *
+	 * @return array
+	 */
 	public function filesExtensionProvider(): array
 	{
 		$list = [];
-		foreach ($this->filesList as $row) {
+		foreach ($this->filesList() as $row) {
 			$list[$row[0] . ' must be extension ' . $row[1]] = [$row[0], $row[1]];
 		}
 		return $list;
@@ -49,40 +51,66 @@ final class CoreLibsCheckFileTest extends TestCase
 	/**
 	 * Undocumented function
 	 *
-	 * @#dataProvider filesExtensionProvider
-	 * @#testdox File::getFilenameEnding Input $input must be $expected
-	 * //string $input, string $expected
+	 * @return array
+	 */
+	public function filesLinesProvider(): array
+	{
+		$list = [];
+		foreach ($this->filesList() as $row) {
+			$list[$row[0] . ' must have ' . $row[2] . ' lines'] = [$row[0], $row[2]];
+		}
+		return $list;
+	}
+
+	/**
+	 * Tests if file extension matches
 	 *
-	 * @param string $input
-	 * @param string $expected
+	 * @dataProvider filesExtensionProvider
+	 * @testdox getFilenameEnding $input must be extension $expected [$_dataName]
+	 *
+	 * @param  string $input
+	 * @param  string $expected
 	 * @return void
 	 */
-	public function testGetFilenameEnding(): void
+	public function testGetFilenameEnding(string $input, string $expected): void
 	{
 		// getFilenameEnding
-		/* $this->assertEquals(
+		$this->assertEquals(
 			$expected,
 			\CoreLibs\Check\File::getFilenameEnding($input)
-		); */
-		$this->assertTrue(true, 'This should already work.');
-		$this->markTestIncomplete(
-			'testGetFilenameEnding has not been implemented yet.'
 		);
 	}
 
 	/**
-	 * Undocumented function
-	 * // string $input, string $expected
+	 * Tests the file line read
 	 *
+	 * @dataProvider filesLinesProvider
+	 * @testdox getLinesFromFile $input must have $expected lines [$_dataName]
+	 *
+	 * @param  string $input    file name
+	 * @param  int    $expected lines in file
 	 * @return void
 	 */
-	public function testGetLinesFromFile(): void
+	public function testGetLinesFromFile(string $input, int $expected): void
 	{
-		// getLinesFromFile
-		$this->assertTrue(true, 'This should already work.');
-		$this->markTestIncomplete(
-			'testGetLinesFromFile has not been implemented yet.'
+		// create file
+		if ($expected > -1) {
+			$file = $this->base_folder . $input;
+			$fp = fopen($file, 'w');
+			for ($i = 0; $i < $expected; $i++) {
+				fwrite($fp, 'This is row ' . ($i + 1) . PHP_EOL);
+			}
+			fclose($fp);
+		}
+		// test
+		$this->assertEquals(
+			$expected,
+			\CoreLibs\Check\File::getLinesFromFile($this->base_folder . $input)
 		);
+		// unlink file
+		if (is_file($this->base_folder . $input)) {
+			unlink($this->base_folder . $input);
+		}
 	}
 }