Test some preprocessors.

app/Import/Logging/CommandHandler.php

@@ -26,6 +26,7 @@ use Illuminate\Console\Command;
 use Monolog\Handler\AbstractProcessingHandler;
 
 /**
+ * @codeCoverageIgnore
  * Class CommandHandler.
  */
 class CommandHandler extends AbstractProcessingHandler

app/Import/MapperPreProcess/TagsComma.php

@@ -34,6 +34,11 @@ class TagsComma implements PreProcessorInterface
      */
     public function run(string $value): array
     {
-        return explode(',', $value);
+        $set    = explode(',', $value);
+        $set    = array_map('trim', $set);
+        $set    = array_filter($set, 'strlen');
+        $return = array_values($set);
+
+        return $return;
     }
 }

app/Import/MapperPreProcess/TagsSpace.php

@@ -34,6 +34,11 @@ class TagsSpace implements PreProcessorInterface
      */
     public function run(string $value): array
     {
-        return explode(' ', $value);
+        $set    = explode(' ', $value);
+        $set    = array_map('trim', $set);
+        $set    = array_filter($set, 'strlen');
+        $return = array_values($set);
+
+        return $return;
     }
 }

tests/Unit/Import/MapperPreProcess/TagsCommaTest.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * TagsCommaTest.php
+ * Copyright (c) 2018 thegrumpydictator@gmail.com
+ *
+ * This file is part of Firefly III.
+ *
+ * Firefly III is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Firefly III is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Firefly III. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace Tests\Unit\Import\MapperPreProcess;
+
+use FireflyIII\Import\MapperPreProcess\TagsComma;
+use Tests\TestCase;
+
+/**
+ * Class TagsCommaTest
+ */
+class TagsCommaTest extends TestCase
+{
+
+    /**
+     * \FireflyIII\Import\MapperPreProcess\TagsComma::run
+     */
+    public function testBasic()
+    {
+        $input  = 'some,tags, with, spaces ,and,without,,';
+        $output = ['some', 'tags', 'with', 'spaces', 'and', 'without'];
+        $mapper = new TagsComma();
+        $result = $mapper->run($input);
+
+        $this->assertEquals($output, $result);
+
+    }
+
+}

tests/Unit/Import/MapperPreProcess/TagsSpaceTest.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * TagsSpaceTest.php
+ * Copyright (c) 2018 thegrumpydictator@gmail.com
+ *
+ * This file is part of Firefly III.
+ *
+ * Firefly III is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Firefly III is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Firefly III. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace Tests\Unit\Import\MapperPreProcess;
+
+use FireflyIII\Import\MapperPreProcess\TagsComma;
+use FireflyIII\Import\MapperPreProcess\TagsSpace;
+use Tests\TestCase;
+
+/**
+ * Class TagsSpaceTest
+ */
+class TagsSpaceTest extends TestCase
+{
+
+    /**
+     * \FireflyIII\Import\MapperPreProcess\TagsSpace::run
+     */
+    public function testBasic()
+    {
+        $input  = 'some tags with  spaces,and without  ';
+        $output = ['some', 'tags', 'with', 'spaces,and', 'without'];
+        $mapper = new TagsSpace();
+        $result = $mapper->run($input);
+
+        $this->assertEquals($output, $result);
+    }
+
+}