#14 - Unit Test for SimpleExpression

Author: technicalguru

.gitignore

@@ -6,3 +6,4 @@ composer.phar
 # composer.lock
 /composer.lock
 /nbproject/private/
+/set-local-test-env.sh

set-test-env.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+
+#######################################################
+#
+# TEST HOWTO
+#
+# Copy this file to e.g. set-local-test-env.sh and
+# set the various variables below. Then source the
+# file on you bash shell:
+#
+# ~/git/php-database$ . ./set-local-test-env.sh
+#
+# and start the PHP Unit tests:
+#
+# ~/git/php-database$ ./vendor/bin/phpunit tests
+#
+#######################################################
+
+# The Database connect information
+DB_TEST_HOST=www.example.com
+DB_TEST_PORT=3306
+DB_TEST_NAME=test
+DB_TEST_PREFIX=test
+DB_TEST_USER=username
+DB_TEST_PASS=password
+
+export DB_TEST_HOST
+export DB_TEST_PORT
+export DB_TEST_NAME
+export DB_TEST_PREFIX
+export DB_TEST_USER
+export DB_TEST_PASS
+

test.sh

@@ -1,7 +1,7 @@
 # Test script
 
 composer update
-RC=./vendor/phpunit/phpunit/phpunit tests
-rm -rf vendor composer.lock
+./vendor/phpunit/phpunit/phpunit tests
+RC=$?
 exit $RC
 

tests/TgDatabase/Criterion/SimpleExpressionTest.php

@@ -0,0 +1,65 @@
+<?php declare(strict_types=1);
+
+namespace TgDatabase\Criterion;
+
+use PHPUnit\Framework\TestCase;
+use TgDatabase\Restrictions;
+use TgDatabase\Criterion;
+use TgDatabase\Criteria;
+use TgDatabase\Impl\CriteriaImpl;
+use TgDatabase\Database;
+
+/**
+ * Tests the SimpleExpression.
+ * @author ralph
+ *
+ */
+final class SimpleExpressionTest extends TestCase {
+    
+    protected ?Criteria $criteria = NULL;
+    
+    public function testSimple(): void {
+        $expr = Restrictions::eq('aName', 'aValue');
+        $this->testSqlString('`aName` = \'aValue\'', $expr);
+    }
+    
+    public function testSimpleWithExplicitAlias(): void {
+        $expr = Restrictions::eq(array('a', 'aName'), 'aValue');
+        $this->testSqlString('`a`.`aName` = \'aValue\'', $expr);
+    }
+    
+    public function testSimpleWithImplicitAlias(): void {
+        $expr = Restrictions::eq('aName', 'aValue');
+        $this->testSqlString('`a`.`aName` = \'aValue\'', $expr, 'a');
+    }
+    
+    public function testIgnoreCase(): void {
+        $expr = Restrictions::eq('aName', 'aValue')->ignoreCase();
+        $this->testSqlString('LOWER(`aName`) = \'avalue\'', $expr);
+    }
+    
+    protected function testSqlString(string $expected, Criterion $expr, $alias = NULL): void {
+        $criteria = $this->getCriteria($alias);
+        if ($criteria != NULL) {
+            $this->assertEquals($expected, $expr->toSqlString($criteria,$criteria));
+        }
+    }
+    
+    protected function getCriteria($alias): ?Criteria {
+        if (getenv('DB_TEST_HOST') != NULL) {
+            if ($this->criteria == NULL) {
+                $config = array(
+                    'host'        => getenv('DB_TEST_HOST'),
+                    'port'        => intval(getenv('DB_TEST_PORT')),
+                    'dbname'      => getenv('DB_TEST_NAME'),
+                    'tablePrefix' => getenv('DB_TEST_PREFIX'),
+                    'user'        => getenv('DB_TEST_USER'),
+                    'pass'        => getenv('DB_TEST_PASS'),
+                );
+                $this->database = new Database($config);
+                $this->criteria = new CriteriaImpl($this->database, 'dual', NULL, $alias);
+            }
+        }
+        return $this->criteria;
+    }
+}