1 files changed, 85 insertions, 0 deletions
diff --git a/plugins/Insights/tests/Unit/FilterExcludeLowValueTest.php b/plugins/Insights/tests/Unit/FilterExcludeLowValueTest.php
new file mode 100644
index 0000000000..51c0192ef6
--- /dev/null
+++ b/plugins/Insights/tests/Unit/FilterExcludeLowValueTest.php
@@ -0,0 +1,85 @@
+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+
+namespace Piwik\Plugins\Insights\tests;
+
+use Piwik\DataTable;
+use Piwik\DataTable\Row;
+use Piwik\Plugins\Insights\DataTable\Filter\ExcludeLowValue;
+
+/**
+ * @group Insights
+ * @group FilterExcludeLowValueTest
+ * @group Unit
+ * @group Core
+ */
+class FilterExcludeLowValueTest extends BaseUnitTest
+{
+    public function setUp()
+    {
+        $this->table = new DataTable();
+        $this->table->addRowsFromArray(array(
+            array(Row::COLUMNS => array('label' => 'val1', 'growth' => 22, 'isFooBar' => false)),
+            array(Row::COLUMNS => array('label' => 'val2', 'growth' => 14, 'isFooBar' => true)),
+            array(Row::COLUMNS => array('label' => 'val3', 'growth' => 18, 'isFooBar' => false)),
+            array(Row::COLUMNS => array('label' => 'val4', 'growth' => 20, 'isFooBar' => true)),
+            array(Row::COLUMNS => array('label' => 'val5', 'growth' => 22, 'isFooBar' => true)),
+            array(Row::COLUMNS => array('label' => 'val6', 'growth' => 25, 'isFooBar' => true)),
+            array(Row::COLUMNS => array('label' => 'val7', 'growth' => 17, 'isFooBar' => false)),
+            array(Row::COLUMNS => array('label' => 'val8', 'growth' => 20, 'isFooBar' => false)),
+            array(Row::COLUMNS => array('label' => 'val9', 'growth' => 0, 'isFooBar' => false)),
+            array(Row::COLUMNS => array('label' => 'val10', 'growth' => 15, 'isFooBar' => false)),
+            array(Row::COLUMNS => array('label' => 'val11', 'growth' => 16, 'isFooBar' => true))
+        ));
+    }
+
+    public function testShouldNotRemoveAnyIfMinValueIsZero()
+    {
+        $rowsCountBefore = $this->table->getRowsCount();
+        $this->assertGreaterThan(0, $rowsCountBefore);
+
+        $this->excludeLowValues(0);
+
+        $this->assertSame($rowsCountBefore, $this->table->getRowsCount());
+    }
+
+    public function testShouldKeepAllRowsHavingHigherGrowth()
+    {
+        $this->excludeLowValues(15);
+
+        $this->assertOrder(array('val1', 'val3', 'val4', 'val5', 'val6', 'val7', 'val8', 'val10', 'val11'));
+    }
+
+    public function testShouldKeepRowsIfTheyHaveGivenMinGrowth()
+    {
+        $this->excludeLowValues(22);
+
+        $this->assertOrder(array('val1', 'val5', 'val6'));
+    }
+
+    public function testShouldRemoveAllIfMinValueIsTooHigh()
+    {
+        $this->excludeLowValues(99);
+
+        $this->assertOrder(array());
+    }
+
+    public function testShouldRemoveValuesOnlyIfColumnToCheckIsTrue()
+    {
+        $this->excludeLowValues(21, 'isFooBar');
+
+        $this->assertOrder(array('val1', 'val3', 'val5', 'val6', 'val7', 'val8', 'val9', 'val10'));
+    }
+
+    private function excludeLowValues($minimumValue, $columnToCheck = null)
+    {
+        $filter = new ExcludeLowValue($this->table, 'growth', $minimumValue, $columnToCheck);
+        $filter->filter($this->table);
+    }
+
+}