简单迁移后，Laravel测试失败

时间：2016-03-13 15:36:50

标签： php sqlite phpunit migration laravel-5.2

我正在使用Laravel创建一个项目，今天我遇到了一个问题，我找不到如何以“正确”的方式解决。

我有这个迁移类：

<?php

use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class AddCityAndCountryColumnToClient extends Migration {
    public function up() {
        Schema::table('clients', function (Blueprint $table) {
            $table->string('city')->nullable()->default(null);
            $table->string('country', 2)->nullable()->default(null);
        });
    }

    public function down() {
        Schema::table('clients', function (Blueprint $table) {
            $table->dropColumn('country');
            $table->dropColumn('city');
        });
    }
}

我有一堆基于该表“客户”模型的测试，它们运行得很好，但是在我添加了这个迁移后，我的测试每次都从一开始就失败了。

现在，我发现如果我将迁移类修改为：

<?php

use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class AddCityAndCountryColumnToClient extends Migration {
    public function up() {
        Schema::table('clients', function (Blueprint $table) {
            $table->string('city')->nullable()->default(null);
            $table->string('country', 2)->nullable()->default(null);
        });
    }

    public function down() {
        Schema::table('clients', function (Blueprint $table) {
            // $table->dropColumn('country');
            // $table->dropColumn('city');
        });
    }
}

现在我所有的测试都运行得非常好。但是我担心“down”方法现在实际上什么都不做，而它应该与“up”方法相反。

我的测试数据库是一个内存中的sqlite实例，用于加速：

'sqlite_testing' => [
    'driver'   => 'sqlite',
    'database' => ':memory:',
    'prefix'   => '',
],

我还有两次具有相同行为的迁移。奇怪的是，我已经做了类似的事情（添加一个字符串列）给其中一个表，我没有必要在该类上评论我的“down”方法的内容：

<?php

use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class AddPhotoColumnToClientsTable extends Migration
{
    public function up()
    {
        Schema::table('clients', function (Blueprint $table) {
            $table->string('photo')->nullable();
        });
    }

    public function down()
    {
        Schema::table('clients', function (Blueprint $table) {
            $table->dropColumn('photo');
        });
    }
}

所以我不知道第一次提到的迁移中添加的“城市”和“国家”列有什么问题。

我从php artisan命令行创建了所有这些迁移类，所以我没有修改它们的默认结构（这里的示例没有注释使它们变短），我还检查了这些迁移都没有错误的代码关于“向下”的方法。

我在那里遗漏了什么，或者是否存在某种限制我忘记了SQLite或迁移？

以下是“向下”方法评论的结果：

PHPUnit 4.8.23 by Sebastian Bergmann and contributors.

.............S.............................................

Time: 42.4 seconds, Memory: 47.25Mb

OK, but incomplete, skipped, or risky tests!
Tests: 59, Assertions: 215, Skipped: 1.

如果我取消注释任何或所有“向下”方法内容行，这就是结果：

PHPUnit 4.8.23 by Sebastian Bergmann and contributors.

E

Time: 1.74 seconds, Memory: 20.75Mb

There was 1 error:

1) AuthTest::a_client_user_can_login_via_api
Illuminate\Database\QueryException: SQLSTATE[HY000]: General error: 1 no such column: country (SQL: CREATE TEMPORARY TABLE __temp__clients AS SELECT id, user_id, cell_phone, photo, created_at, updated_at, deleted_at, country FROM clients)

C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Connection.php:669
C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Connection.php:629
C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Connection.php:409
C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Schema\Blueprint.php:83
C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Schema\Builder.php:203
C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Schema\Builder.php:128
C:\My Project\vendor\laravel\framework\src\Illuminate\Support\Facades\Facade.php:221
C:\My Project\database\migrations\2016_03_12_002857_add_city_and_country_column_to_client.php:28
C:\My Project\database\migrations\2016_03_12_002857_add_city_and_country_column_to_client.php:28
C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Migrations\Migrator.php:233
C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Migrations\Migrator.php:181
C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Console\Migrations\RollbackCommand.php:63
C:\My Project\vendor\laravel\framework\src\Illuminate\Container\Container.php:507
C:\My Project\vendor\laravel\framework\src\Illuminate\Console\Command.php:169
C:\My Project\vendor\symfony\console\Command\Command.php:256
C:\My Project\vendor\laravel\framework\src\Illuminate\Console\Command.php:155
C:\My Project\vendor\symfony\console\Application.php:791
C:\My Project\vendor\symfony\console\Application.php:186
C:\My Project\vendor\symfony\console\Application.php:117
C:\My Project\vendor\laravel\framework\src\Illuminate\Console\Application.php:64
C:\My Project\vendor\laravel\framework\src\Illuminate\Foundation\Console\Kernel.php:159
C:\My Project\vendor\laravel\framework\src\Illuminate\Foundation\Testing\Concerns\InteractsWithConsole.php:25
C:\My Project\vendor\laravel\framework\src\Illuminate\Foundation\Testing\DatabaseMigrations.php:12
C:\My Project\vendor\laravel\framework\src\Illuminate\Foundation\Testing\TestCase.php:127
C:\Users\TheWindowsUser\AppData\Roaming\Composer\vendor\phpunit\phpunit\src\TextUI\Command.php:149
C:\Users\TheWindowsUser\AppData\Roaming\Composer\vendor\phpunit\phpunit\src\TextUI\Command.php:100

Caused by
PDOException: SQLSTATE[HY000]: General error: 1 no such column: country

C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Connection.php:408
C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Connection.php:662
C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Connection.php:629
C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Connection.php:409
C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Schema\Blueprint.php:83
C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Schema\Builder.php:203
C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Schema\Builder.php:128
C:\My Project\vendor\laravel\framework\src\Illuminate\Support\Facades\Facade.php:221
C:\My Project\database\migrations\2016_03_12_002857_add_city_and_country_column_to_client.php:28
C:\My Project\database\migrations\2016_03_12_002857_add_city_and_country_column_to_client.php:28
C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Migrations\Migrator.php:233
C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Migrations\Migrator.php:181
C:\My Project\vendor\laravel\framework\src\Illuminate\Database\Console\Migrations\RollbackCommand.php:63
C:\My Project\vendor\laravel\framework\src\Illuminate\Container\Container.php:507
C:\My Project\vendor\laravel\framework\src\Illuminate\Console\Command.php:169
C:\My Project\vendor\symfony\console\Command\Command.php:256
C:\My Project\vendor\laravel\framework\src\Illuminate\Console\Command.php:155
C:\My Project\vendor\symfony\console\Application.php:791
C:\My Project\vendor\symfony\console\Application.php:186
C:\My Project\vendor\symfony\console\Application.php:117
C:\My Project\vendor\laravel\framework\src\Illuminate\Console\Application.php:64
C:\My Project\vendor\laravel\framework\src\Illuminate\Foundation\Console\Kernel.php:159
C:\My Project\vendor\laravel\framework\src\Illuminate\Foundation\Testing\Concerns\InteractsWithConsole.php:25
C:\My Project\vendor\laravel\framework\src\Illuminate\Foundation\Testing\DatabaseMigrations.php:12
C:\My Project\vendor\laravel\framework\src\Illuminate\Foundation\Testing\TestCase.php:127
C:\Users\TheWindowsUser\AppData\Roaming\Composer\vendor\phpunit\phpunit\src\TextUI\Command.php:149
C:\Users\TheWindowsUser\AppData\Roaming\Composer\vendor\phpunit\phpunit\src\TextUI\Command.php:100

FAILURES!
Tests: 1, Assertions: 4, Errors: 1.

更新

顺便说一句，我正在使用use Illuminate\Foundation\Testing\DatabaseMigrations;特征运行所有测试。没有应用特殊配置，也没有对Laravel提供的默认测试类进行特殊更改。

1 个答案:

答案 0 :(得分：4)

将分组拆分为两个单独的操作，或者将数组交替传递给要删除的列的dropColumn。

无论

Schema::table('clients', function (Blueprint $table) {
    $table->dropColumn('country');
});

Schema::table('clients', function (Blueprint $table) {
    $table->dropColumn('city');
});

或

$table->dropColumn(['country', 'city']);

请参阅https://github.com/laravel/framework/issues/2979

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