added weighted single pattern detector

Author: matthi4s

src/Detective/WeightedSinglePatternDetector.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Aternos\Codex\Detective;
+
+/**
+ * Class WeightedSinglePatternDetector
+ *
+ * @package Aternos\Codex\Detective
+ */
+class WeightedSinglePatternDetector extends SinglePatternDetector
+{
+    /**
+     * @var float
+     */
+    protected $weight;
+
+    /**
+     * Set the weight that will be returned if the pattern matches
+     *
+     * @param float $weight
+     * @return $this
+     */
+    public function setWeight(float $weight)
+    {
+        $this->weight = $weight;
+        return $this;
+    }
+
+    /**
+     * Detect if the log matches
+     *
+     * Checks if the pattern matches anywhere in the log file
+     *
+     * Returns either true or false
+     *
+     * @return bool|float
+     */
+    public function detect()
+    {
+        if (parent::detect()) {
+            return $this->weight;
+        } else {
+            return false;
+        }
+    }
+}

test/tests/Detector/WeightedSinglePatternDetectorTest.php

@@ -0,0 +1,38 @@
+<?php
+
+use Aternos\Codex\Detective\WeightedSinglePatternDetector;
+use Aternos\Codex\Log\File\StringLogFile;
+use PHPUnit\Framework\TestCase;
+
+class WeightedSinglePatternDetectorTest extends TestCase
+{
+    public function testDetect()
+    {
+        $this->assertEquals(1, (new WeightedSinglePatternDetector())
+            ->setLogFile(new \Aternos\Codex\Log\File\PathLogFile(__DIR__ . '/../../data/simple.log'))
+            ->setPattern('/This/')
+            ->setWeight(1)
+            ->detect()
+        );
+
+        $this->assertEquals(0.5, (new WeightedSinglePatternDetector())
+            ->setLogFile(new \Aternos\Codex\Log\File\PathLogFile(__DIR__ . '/../../data/simple.log'))
+            ->setPattern('/This/')
+            ->setWeight(0.5)
+            ->detect()
+        );
+
+        $this->assertEquals(0, (new WeightedSinglePatternDetector())
+            ->setLogFile(new \Aternos\Codex\Log\File\PathLogFile(__DIR__ . '/../../data/simple.log'))
+            ->setPattern('/This/')
+            ->setWeight(0)
+            ->detect()
+        );
+
+        $this->assertFalse((new WeightedSinglePatternDetector())
+            ->setLogFile(new StringLogFile("You cannot detect this."))
+            ->setPattern('/missing/')
+            ->detect()
+        );
+    }
+}