Refactored project structure.

tests/src/Helper/BuildInterpolatorTest.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace Tests\PHPCensor\Helper;
+
+use PHPCensor\Helper\BuildInterpolator;
+
+class BuildInterpolatorTest extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * @var BuildInterpolator
+     */
+    protected $testedInterpolator;
+
+    protected function setUp()
+    {
+        parent::setup();
+        $this->testedInterpolator = new BuildInterpolator();
+    }
+
+    public function testInterpolate_LeavesStringsUnchangedByDefault()
+    {
+        $string = "Hello World";
+        $expectedOutput = "Hello World";
+
+        $actualOutput = $this->testedInterpolator->interpolate($string);
+
+        self::assertEquals($expectedOutput, $actualOutput);
+    }
+
+    public function testInterpolate_LeavesStringsUnchangedWhenBuildIsSet()
+    {
+        $build = $this->prophesize('PHPCensor\\Model\\Build')->reveal();
+
+        $string         = "Hello World";
+        $expectedOutput = "Hello World";
+
+        $this->testedInterpolator->setupInterpolationVars(
+            $build,
+            "/buildpath/",
+            "php-censor.local"
+        );
+
+        $actualOutput = $this->testedInterpolator->interpolate($string);
+
+        self::assertEquals($expectedOutput, $actualOutput);
+    }
+}
+