Extract cache warming into its own object (and do not require a CodeCoverage and/or Driver object)

Author: sebastianbergmann

ChangeLog.md

@@ -10,7 +10,7 @@ All notable changes are documented in this file using the [Keep a CHANGELOG](htt
 * Added `SebastianBergmann\CodeCoverage::cacheStaticAnalysis(string $cacheDirectory)` method for enabling the cache; it will write its files to `$directory`
 * Added `SebastianBergmann\CodeCoverage::doNotCacheStaticAnalysis` method for disabling the cache
 * Added `SebastianBergmann\CodeCoverage::cachesStaticAnalysis()` method for querying whether the cache is enabled
-* Added `SebastianBergmann\CodeCoverage::warmCache()` method for warming the cache
+* Added `SebastianBergmann\CodeCoverage\StaticAnalysis\CacheWarmer::warmCache()` method for warming the cache
 
 ## [9.0.0] - 2020-08-07
 

src/CodeCoverage.php

@@ -394,29 +394,6 @@ public function doNotCacheStaticAnalysis(): void
         $this->cacheDirectory = null;
     }
 
-    /**
-     * @throws CacheNotConfiguredException
-     */
-    public function warmCache(): void
-    {
-        if (!$this->cachesStaticAnalysis()) {
-            throw new CacheNotConfiguredException(
-                'The cache has not been configured using cacheStaticAnalysis()'
-            );
-        }
-
-        $coveredFileAnalyser   = $this->coveredFileAnalyser();
-        $uncoveredFileAnalyser = $this->uncoveredFileAnalyser();
-
-        foreach ($this->filter->files() as $file) {
-            /* @noinspection UnusedFunctionResultInspection */
-            $coveredFileAnalyser->linesOfCodeFor($file);
-
-            /* @noinspection UnusedFunctionResultInspection */
-            $uncoveredFileAnalyser->executableLinesIn($file);
-        }
-    }
-
     /**
      * @psalm-param class-string $className
      */

src/Exception/CacheNotConfiguredException.php

@@ -0,0 +1,39 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of phpunit/php-code-coverage.
+ *
+ * (c) Sebastian Bergmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeCoverage\StaticAnalysis;
+
+use SebastianBergmann\CodeCoverage\Filter;
+
+final class CacheWarmer
+{
+    public function warmCache(string $cacheDirectory, bool $useAnnotationsForIgnoringCode, bool $ignoreDeprecatedCode, Filter $filter): void
+    {
+        $coveredFileAnalyser = new CachingCoveredFileAnalyser(
+            $cacheDirectory,
+            new ParsingCoveredFileAnalyser(
+                $useAnnotationsForIgnoringCode,
+                $ignoreDeprecatedCode
+            )
+        );
+
+        $uncoveredFileAnalyser = new CachingUncoveredFileAnalyser(
+            $cacheDirectory,
+            new ParsingUncoveredFileAnalyser
+        );
+
+        foreach ($filter->files() as $file) {
+            /* @noinspection UnusedFunctionResultInspection */
+            $coveredFileAnalyser->linesOfCodeFor($file);
+
+            /* @noinspection UnusedFunctionResultInspection */
+            $uncoveredFileAnalyser->executableLinesIn($file);
+        }
+    }
+}