Knah-Tsaeb/MyShaarli
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application: refactor version checks, move to ApplicationUtils

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Relates to #372

Modifications:
 - move checkUpdate() to ApplicationUtils
 - reduce file I/O operations during version checks
 - apply coding conventions
 - add test coverage

Tools:
 - create a sandbox directory for tests

Signed-off-by: VirtualTam <virtualtam@flibidi.net>
This commit is contained in:
VirtualTam 2015-11-24 02:52:22 +01:00
parent 61873e3ded
commit 4bf35ba56b
8 changed files with 331 additions and 35 deletions
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3
.gitignore vendored
View file

@ -19,8 +19,7 @@ composer.lock
# Ignore development and test resources
coverage
doxygen
tests/datastore.php
tests/dummycache/
sandbox
phpmd.html
# Ignore user plugin configuration

2
Makefile
View file

@ -110,6 +110,7 @@ test:
@echo "-------"
@echo "PHPUNIT"
@echo "-------"
@mkdir -p sandbox
@$(BIN)/phpunit tests
##
@ -119,6 +120,7 @@ test:
### remove all unversioned files
clean:
@git clean -df
@rm -rf sandbox
### generate Doxygen documentation
doxygen: clean

92
application/ApplicationUtils.php
View file

@ -4,6 +4,98 @@
*/
class ApplicationUtils
{
private static $GIT_URL = 'https://raw.githubusercontent.com/shaarli/Shaarli';
private static $GIT_BRANCH = 'master';
private static $VERSION_FILE = 'shaarli_version.php';
private static $VERSION_START_TAG = '<?php /* ';
private static $VERSION_END_TAG = ' */ ?>';
/**
* Gets the latest version code from the Git repository
*
* The code is read from the raw content of the version file on the Git server.
*
* @return mixed the version code from the repository if available, else 'false'
*/
public static function getLatestGitVersionCode($url, $timeout=2)
{
list($headers, $data) = get_http_url($url, $timeout);
if (strpos($headers[0], '200 OK') === false) {
error_log('Failed to retrieve ' . $url);
return false;
}
return str_replace(
array(self::$VERSION_START_TAG, self::$VERSION_END_TAG, PHP_EOL),
array('', '', ''),
$data
);
}
/**
* Checks if a new Shaarli version has been published on the Git repository
*
* Updates checks are run periodically, according to the following criteria:
* - the update checks are enabled (install, global config);
* - the user is logged in (or this is an open instance);
* - the last check is older than a given interval;
* - the check is non-blocking if the HTTPS connection to Git fails;
* - in case of failure, the update file's modification date is updated,
* to avoid intempestive connection attempts.
*
* @param string $currentVersion the current version code
* @param string $updateFile the file where to store the latest version code
* @param int $checkInterval the minimum interval between update checks (in seconds
* @param bool $enableCheck whether to check for new versions
* @param bool $isLoggedIn whether the user is logged in
*
* @return mixed the new version code if available and greater, else 'false'
*/
public static function checkUpdate(
$currentVersion, $updateFile, $checkInterval, $enableCheck, $isLoggedIn)
{
if (! $isLoggedIn) {
// Do not check versions for visitors
return false;
}
if (empty($enableCheck)) {
// Do not check if the user doesn't want to
return false;
}
if (is_file($updateFile) && (filemtime($updateFile) > time() - $checkInterval)) {
// Shaarli has checked for updates recently - skip HTTP query
$latestKnownVersion = file_get_contents($updateFile);
if (version_compare($latestKnownVersion, $currentVersion) == 1) {
return $latestKnownVersion;
}
return false;
}
// Late Static Binding allows overriding within tests
// See http://php.net/manual/en/language.oop5.late-static-bindings.php
$latestVersion = static::getLatestGitVersionCode(
self::$GIT_URL . '/' . self::$GIT_BRANCH . '/' . self::$VERSION_FILE
);
if (! $latestVersion) {
// Only update the file's modification date
file_put_contents($updateFile, $currentVersion);
return false;
}
// Update the file's content and modification date
file_put_contents($updateFile, $latestVersion);
if (version_compare($latestVersion, $currentVersion) == 1) {
return $latestVersion;
}
return false;
}
/**
* Checks the PHP version to ensure Shaarli can run

39
index.php
View file

@ -305,32 +305,6 @@ function setup_login_state() {
}
$userIsLoggedIn = setup_login_state();
// Checks if an update is available for Shaarli.
// (at most once a day, and only for registered user.)
// Output: '' = no new version.
// other= the available version.
function checkUpdate()
{
if (!isLoggedIn()) return ''; // Do not check versions for visitors.
if (empty($GLOBALS['config']['ENABLE_UPDATECHECK'])) return ''; // Do not check if the user doesn't want to.
// Get latest version number at most once a day.
if (!is_file($GLOBALS['config']['UPDATECHECK_FILENAME']) || (filemtime($GLOBALS['config']['UPDATECHECK_FILENAME'])<time()-($GLOBALS['config']['UPDATECHECK_INTERVAL'])))
{
$version = shaarli_version;
list($headers, $data) = get_http_url('https://raw.githubusercontent.com/shaarli/Shaarli/master/shaarli_version.php', 2);
if (strpos($headers[0], '200 OK') !== false) {
$version = str_replace(' */ ?>', '', str_replace('<?php /* ', '', $data));
}
// If failed, never mind. We don't want to bother the user with that.
file_put_contents($GLOBALS['config']['UPDATECHECK_FILENAME'],$version); // touch file date
}
// Compare versions:
$newestversion=file_get_contents($GLOBALS['config']['UPDATECHECK_FILENAME']);
if (version_compare($newestversion,shaarli_version)==1) return $newestversion;
return '';
}
// -----------------------------------------------------------------------------------------------
// Log to text file
@ -657,7 +631,18 @@ function __construct()
private function initialize()
{
$this->tpl = new RainTPL;
$this->tpl->assign('newversion', escape(checkUpdate()));
$this->tpl->assign(
'newversion',
escape(
ApplicationUtils::checkUpdate(
shaarli_version,
$GLOBALS['config']['UPDATECHECK_FILENAME'],
$GLOBALS['config']['UPDATECHECK_INTERVAL'],
$GLOBALS['config']['ENABLE_UPDATECHECK'],
isLoggedIn()
)
)
);
$this->tpl->assign('feedurl', escape(index_url($_SERVER)));
$searchcrits = ''; // Search criteria
if (!empty($_GET['searchtags'])) {

218
tests/ApplicationUtilsTest.php
View file

@ -5,12 +5,230 @@
require_once 'application/ApplicationUtils.php';
/**
* Fake ApplicationUtils class to avoid HTTP requests
*/
class FakeApplicationUtils extends ApplicationUtils
{
public static $VERSION_CODE = '';
/**
* Toggle HTTP requests, allow overriding the version code
*/
public static function getLatestGitVersionCode($url, $timeout=0)
{
return self::$VERSION_CODE;
}
}
/**
* Unitary tests for Shaarli utilities
*/
class ApplicationUtilsTest extends PHPUnit_Framework_TestCase
{
protected static $testUpdateFile = 'sandbox/update.txt';
protected static $testVersion = '0.5.0';
protected static $versionPattern = '/^\d+\.\d+\.\d+$/';
/**
* Reset test data for each test
*/
public function setUp()
{
FakeApplicationUtils::$VERSION_CODE = '';
if (file_exists(self::$testUpdateFile)) {
unlink(self::$testUpdateFile);
}
}
/**
* Retrieve the latest version code available on Git
*
* Expected format: Semantic Versioning - major.minor.patch
*/
public function testGetLatestGitVersionCode()
{
$testTimeout = 10;
$this->assertEquals(
'0.5.4',
ApplicationUtils::getLatestGitVersionCode(
'https://raw.githubusercontent.com/shaarli/Shaarli/'
.'v0.5.4/shaarli_version.php',
$testTimeout
)
);
$this->assertRegexp(
self::$versionPattern,
ApplicationUtils::getLatestGitVersionCode(
'https://raw.githubusercontent.com/shaarli/Shaarli/'
.'master/shaarli_version.php',
$testTimeout
)
);
}
/**
* Attempt to retrieve the latest version from an invalid URL
*/
public function testGetLatestGitVersionCodeInvalidUrl()
{
$this->assertFalse(
ApplicationUtils::getLatestGitVersionCode('htttp://null.io', 0)
);
}
/**
* Test update checks - the user is logged off
*/
public function testCheckUpdateLoggedOff()
{
$this->assertFalse(
ApplicationUtils::checkUpdate(self::$testVersion, 'null', 0, false, false)
);
}
/**
* Test update checks - the user has disabled updates
*/
public function testCheckUpdateUserDisabled()
{
$this->assertFalse(
ApplicationUtils::checkUpdate(self::$testVersion, 'null', 0, false, true)
);
}
/**
* A newer version is available
*/
public function testCheckUpdateNewVersionNew()
{
$newVersion = '1.8.3';
FakeApplicationUtils::$VERSION_CODE = $newVersion;
$version = FakeApplicationUtils::checkUpdate(
self::$testVersion,
self::$testUpdateFile,
100,
true,
true
);
$this->assertEquals($newVersion, $version);
}
/**
* No available information about versions
*/
public function testCheckUpdateNewVersionUnavailable()
{
$version = FakeApplicationUtils::checkUpdate(
self::$testVersion,
self::$testUpdateFile,
100,
true,
true
);
$this->assertFalse($version);
}
/**
* Shaarli is up-to-date
*/
public function testCheckUpdateNewVersionUpToDate()
{
FakeApplicationUtils::$VERSION_CODE = self::$testVersion;
$version = FakeApplicationUtils::checkUpdate(
self::$testVersion,
self::$testUpdateFile,
100,
true,
true
);
$this->assertFalse($version);
}
/**
* Time-traveller's Shaarli
*/
public function testCheckUpdateNewVersionMaartiMcFly()
{
FakeApplicationUtils::$VERSION_CODE = '0.4.1';
$version = FakeApplicationUtils::checkUpdate(
self::$testVersion,
self::$testUpdateFile,
100,
true,
true
);
$this->assertFalse($version);
}
/**
* The version has been checked recently and Shaarli is up-to-date
*/
public function testCheckUpdateNewVersionTwiceUpToDate()
{
FakeApplicationUtils::$VERSION_CODE = self::$testVersion;
// Create the update file
$version = FakeApplicationUtils::checkUpdate(
self::$testVersion,
self::$testUpdateFile,
100,
true,
true
);
$this->assertFalse($version);
// Reuse the update file
$version = FakeApplicationUtils::checkUpdate(
self::$testVersion,
self::$testUpdateFile,
100,
true,
true
);
$this->assertFalse($version);
}
/**
* The version has been checked recently and Shaarli is outdated
*/
public function testCheckUpdateNewVersionTwiceOutdated()
{
$newVersion = '1.8.3';
FakeApplicationUtils::$VERSION_CODE = $newVersion;
// Create the update file
$version = FakeApplicationUtils::checkUpdate(
self::$testVersion,
self::$testUpdateFile,
100,
true,
true
);
$this->assertEquals($newVersion, $version);
// Reuse the update file
$version = FakeApplicationUtils::checkUpdate(
self::$testVersion,
self::$testUpdateFile,
100,
true,
true
);
$this->assertEquals($newVersion, $version);
}
/**
* Check supported PHP versions
*/

6
tests/CacheTest.php
View file

@ -11,10 +11,10 @@
/**
* Unitary tests for cached pages
*/
class CachedTest extends PHPUnit_Framework_TestCase
class CacheTest extends PHPUnit_Framework_TestCase
{
// test cache directory
protected static $testCacheDir = 'tests/dummycache';
protected static $testCacheDir = 'sandbox/dummycache';
// dummy cached file names / content
protected static $pages = array('a', 'toto', 'd7b59c');
@ -56,7 +56,7 @@ public function testPurgeCachedPages()
public function testPurgeCachedPagesMissingDir()
{
$this->assertEquals(
'Cannot purge tests/dummycache_missing: no directory',
'Cannot purge sandbox/dummycache_missing: no directory',
purgeCachedPages(self::$testCacheDir.'_missing')
);
}

2
tests/CachedPageTest.php
View file

@ -11,7 +11,7 @@
class CachedPageTest extends PHPUnit_Framework_TestCase
{
// test cache directory
protected static $testCacheDir = 'tests/pagecache';
protected static $testCacheDir = 'sandbox/pagecache';
protected static $url = 'http://shaar.li/?do=atom';
protected static $filename;

2
tests/LinkDBTest.php
View file

@ -16,7 +16,7 @@
class LinkDBTest extends PHPUnit_Framework_TestCase
{
// datastore to test write operations
protected static $testDatastore = 'tests/datastore.php';
protected static $testDatastore = 'sandbox/datastore.php';
protected static $refDB = null;
protected static $publicLinkDB = null;
protected static $privateLinkDB = null;