86 lines
3.5 KiB
PHP
86 lines
3.5 KiB
PHP
<?php
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/*
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* @file
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* We choose to test the backend system in two parts.
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* - Origin. These tests assure that we are generate a proper ssh command
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* when a backend invoke is needed.
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* - Target. These tests assure that drush generates a delimited JSON array
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* when called with --backend option.
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*
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* Advantages of this approach:
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* - No network calls and thus more robust.
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* - No network calls and thus faster.
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*/
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class backendCase extends Drush_TestCase {
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const DRUSH_BACKEND_OUTPUT_DELIMITER = 'DRUSH_BACKEND_OUTPUT_START>>>%s<<<DRUSH_BACKEND_OUTPUT_END';
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/*
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* Covers the following origin responsibilities.
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* - A remote host is recognized in site specification.
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* - Generates expected ssh command.
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*
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* General handling of site aliases will be in sitealiasTest.php.
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*/
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function testOrigin() {
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$exec = sprintf('%s %s version --simulate --ssh-options=%s | grep ssh', self::escapeshellarg(UNISH_DRUSH), self::escapeshellarg('user@server/path/to/drupal#sitename'), self::escapeshellarg('-i mysite_dsa'));
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$this->execute($exec);
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// $expected might be different on non unix platforms. We shall see.
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$expected = "proc_open: ssh -i mysite_dsa 'user'@'server' 'drush --uri='\''sitename'\'' --root='\''/path/to/drupal'\'' --simulate version --backend 2>&1' 2>&1";
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$output = $this->getOutput();
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$this->assertEquals($expected, $output, 'Expected ssh command was built');
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}
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/*
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* Covers the following target responsibilities.
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* - Interpret stdin as options as per REST API.
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* - Successfully execute specified command.
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* - JSON object has expected contents (including errors).
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* - JSON object is wrapped in expected delimiters.
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*/
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function testTarget() {
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$stdin = json_encode(array('filter'=>'sql'));
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$exec = sprintf('echo %s | %s help --backend', self::escapeshellarg($stdin), self::escapeshellarg(UNISH_DRUSH));
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$this->execute($exec);
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$parsed = $this->parse($this->getOutput());
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$this->assertTrue((bool) $parsed, 'Successfully parsed backend output');
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$this->assertArrayHasKey('log', $parsed);
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$this->assertArrayHasKey('output', $parsed);
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$this->assertArrayHasKey('object', $parsed);
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$this->assertEquals(self::EXIT_SUCCESS, $parsed['error_status']);
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// This assertion shows that `help` was called and that stdin options were respected.
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$this->assertStringStartsWith('SQL commands', $parsed['output']);
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$this->assertEquals('Bootstrap to phase 0.', $parsed['log'][0]['message']);
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// Check error propogation by requesting an invalid command (missing Drupal site).
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$exec = sprintf('%s core-cron --backend 2>/dev/null', self::escapeshellarg(UNISH_DRUSH));
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$this->execute($exec, self::EXIT_ERROR);
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$parsed = $this->parse($this->getOutput());
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$this->assertEquals(1, $parsed['error_status']);
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$this->assertArrayHasKey('DRUSH_NO_DRUPAL_ROOT', $parsed['error_log']);
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}
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/*
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* A slightly less functional copy of drush_backend_parse_output().
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*/
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function parse($string) {
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$regex = sprintf(self::DRUSH_BACKEND_OUTPUT_DELIMITER, '(.*)');
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preg_match("/$regex/s", $string, $match);
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if ($match[1]) {
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// we have our JSON encoded string
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$output = $match[1];
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// remove the match we just made and any non printing characters
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$string = trim(str_replace(sprintf(self::DRUSH_BACKEND_OUTPUT_DELIMITER, $match[1]), '', $string));
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}
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if ($output) {
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$data = json_decode($output, TRUE);
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if (is_array($data)) {
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return $data;
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}
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}
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return $string;
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}
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}
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