unit test added. Part2

.travis.yml

@@ -0,0 +1,31 @@
+sudo: false
+
+dist: trusty
+
+language: php
+
+php:
+  - nightly
+  - 7.2
+  - 7.1
+  - 7.0
+  - 5.6
+  - 5.5
+  - 5.4
+
+matrix:
+  allow_failures:
+    - php: nightly
+  include:
+    - php: "5.3"
+      dist: precise
+
+before_script:
+  - composer install --no-interaction
+
+script:
+  - composer cover
+  - composer check-style
+
+after_script:
+  - composer coveralls

composer.json

@@ -13,9 +13,21 @@
     "require": {
         "php": "^5.3|^7.0"
     },
+    "require-dev": {
+        "phpunit/phpunit": "^4.8 | ^6.5",
+        "satooshi/php-coveralls": ">=0.7.1 <2.0",
+        "squizlabs/php_codesniffer": "^2.3"
+    },
     "autoload": {
         "psr-4": {
-            "Dorantor\\" : "src"
+            "Dorantor\\" : ["src/", "tests/"]
         }
+    },
+    "scripts": {
+        "test": "./vendor/bin/phpunit -c ./tests/phpunit.xml",
+        "cover": "./vendor/bin/phpunit -c ./tests/phpunit.xml --coverage-clover build/logs/clover.xml",
+        "coveralls": "coveralls -v",
+        "check-style": "./vendor/bin/phpcs -p --standard=PSR2 --runtime-set ignore_errors_on_exit 1 --runtime-set ignore_warnings_on_exit 1 src",
+        "fix-style": "./vendor/bin/phpcbf -p --standard=PSR2 --runtime-set ignore_errors_on_exit 1 --runtime-set ignore_warnings_on_exit 1 src"
     }
-}
+}

tests/FileLockTest.php

@@ -0,0 +1,52 @@
+<?php
+
+use PHPUnit\Framework\TestCase;
+
+$fname = 'tests/lock-test.txt';
+
+//create file
+$handle = fopen($fname, 'w') or die('ERROR[0]: Unable to open/create file "'.$fname.'"!');
+$txt = date('d.m.Y H:i:s');
+fwrite($handle, $txt);
+fclose($handle); 
+echo PHP_EOL .'Test file "'.$fname.'" created ['.date('d.m.Y H:i:s').']. FileSize: '.filesize($fname).' bytes.'. PHP_EOL . PHP_EOL; 
+
+
+class FileLockTest extends TestCase {
+
+	public function testCanBeLocked() {
+
+		global $fname;
+		//create lock object
+		$lock = new \Dorantor\FileLock($fname);
+
+		//try to lock file
+        $this->assertEquals(true, $lock->acquire(),'ERROR[1]: Result of function acquire() not correct!'. PHP_EOL);
+/*		
+		//try to  read write
+		$handle = fopen($fname, 'r+');
+		$this->assertTrue(($handle != false),'ERROR[2]: file "'.$fname.'" can not be opened!'. PHP_EOL);
+
+		//try to read
+		//$buffer = fgets($handle, 4096);
+		//$this->assertFalse($buffer,'ERROR[3]: file "'.$fname.'"  not locked! File content: '.$buffer. PHP_EOL);
+
+		//try to write
+		$fwrite_res = fwrite($handle, 'test');
+		$this->assertEquals(0, $fwrite_res,'ERROR[5]: writed '.$fwrite_res.' bytes.'. PHP_EOL);
+
+		fclose($handle);
+*/
+		//try to unlock file
+		$this->assertEquals(true, $lock->release(),'ERROR[6]: Result of function release() not correct!'. PHP_EOL);
+/*		
+		$handle = fopen($fname, 'r+');	
+
+		//try to write
+		$fwrite_res = (fwrite($handle, 'test') != 0);
+		$this->assertTrue($fwrite_res,'ERROR[7]: File "'.$fname.'" locked! Writing fail.'. PHP_EOL);
+
+		fclose($handle);
+*/
+	}
+}

tests/lock-test.txt

@@ -0,0 +1 @@
+test0.2018 10:00:26

tests/phpunit.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0"?>
+  <phpunit     colors="true"
+    bootstrap="../vendor/autoload.php"
+    convertErrorsToExceptions="true"
+    convertNoticesToExceptions="true"
+    convertWarningsToExceptions="true"
+    stopOnFailure="true"
+  >
+
+  <testsuites>
+        <testsuite name="Tests">
+            <directory suffix="Test.php">./</directory>
+        </testsuite>
+    </testsuites>
+
+  <filter>
+    <whitelist processUncoveredFilesFromWhitelist="true">
+        <directory suffix=".php">../src</directory>
+    </whitelist>
+  </filter>
+</phpunit>

unit-test.php

@@ -0,0 +1,107 @@
+<?php
+
+require "filelock-master\src\FileLock.php";
+
+$fname = 'lock-test.txt';
+
+//create file
+$handle = fopen($fname, 'w') or die('ERROR[0]: Unable to open/create file "'.$fname.'"!');
+$txt = date('d.m.Y H:i:s');
+fwrite($handle, $txt);
+fclose($handle); 
+echo 'test file "'.$fname.'" created ['.date('d.m.Y H:i:s').']: '.$handle.'-'.filesize($fname).'<br/>'; 
+
+// create lock object
+$lock = new \Dorantor\FileLock($fname);
+
+echo 'try to lock file<br/>';
+if (!$lock->acquire()) { //fopen('a')
+    // failed with lock
+	echo 'ERROR[1]: file "'.$fname.'" not locked!';
+    exit();
+} else {
+	echo 'OK[0]: file locked!<br/>';
+}
+
+//try to  read write
+$handle = fopen($fname, 'r+');
+
+if ($handle === false) {
+	echo 'ERROR[2]: file "'.$fname.'" can not be opened!';
+	exit();
+} else {
+	echo 'try to read<br/>';
+    if (($buffer = fgets($handle, 4096)) !== false) {
+		echo 'ERROR[3]: file "'.$fname.'"  not locked! File content: '.$buffer;
+		exit();        
+    } else {
+		echo 'OK[1]: file locked! Reading fail.<br/>';
+	}
+
+    if (!feof($handle)) {
+        echo 'ERROR[4]: fgets() fail<br/>';
+		$lock->release(); //unlock file
+		exit();
+    }
+
+	echo 'try to write<br/>';	
+	$fwrite_res = fwrite($handle, 'test');
+	if ($fwrite === false) {
+		echo 'OK[2]: file locked! Writing fail.<br/>';
+	} else {
+		if ($fwrite_res != 0) { 
+			echo 'ERROR[5]: writed '.$fwrite_res.' bytes.<br/>';
+		} else {
+			echo 'OK[3]: file locked! Writing fail.<br/>';		
+		}
+	}
+    fclose($handle);
+}
+
+echo 'try to unlock file<br/>';
+if (!$lock->release()) { //unlock file -> fclose()
+    // failed with lock
+	echo 'ERROR[6]: file "'.$fname.'" still locked!';
+    exit();
+} else {
+	echo 'OK[4]: file unlocked!<br/>';
+}
+
+
+$handle = fopen($fname, 'r+');	
+
+if ($handle === false) {
+	echo 'ERROR[7]: file "'.$fname.'" can not be opened!';
+	exit();
+} else {
+
+	echo 'try to read<br/>';
+    if (($buffer = fgets($handle, 4096)) !== false) {
+		echo 'OK[5]: file "'.$fname.'" not locked! File content: '.$buffer.'<br/>';
+    } else {
+		echo 'ERROR[8]: file locked! Reading fail.<br/>';
+		exit();
+	}
+
+    if (!feof($handle)) {
+        echo 'ERROR[9]: fgets() fail<br/>';
+		exit();
+    }
+
+	echo 'try to write<br/>';	
+	$fwrite_res = fwrite($handle, 'test');
+	if ($fwrite === false) {
+		echo 'ERROR[10]: file locked! Writing fail.<br/>';
+	} else {
+		if ($fwrite_res != 0) { 
+			echo 'OK[6]: writed '.$fwrite_res.' bytes.<br/>';
+		} else {
+			echo 'ERROR[11]: file locked! Writing fail.<br/>';		
+		}
+	}
+
+	fclose($handle);
+
+	echo 'done';
+}
+?>