feat: move Coverage out of external plugin

tests/.snapshots/success.txt

@@ -17,6 +17,12 @@
   ✓ it gets executed before each test
   ✓ it gets executed before each test once again
 
+   PASS  Tests\Features\Coverage
+  ✓ it has plugin
+  ✓ it adds coverage if --coverage exist
+  ✓ it adds coverage if --min exist
+  ✓ it generates coverage based on file input
+
    PASS  Tests\Features\Datasets
   ✓ it throws exception if dataset does not exist
   ✓ it throws exception if dataset already exist
@@ -276,5 +282,5 @@
   ✓ it is a test
   ✓ it uses correct parent class
 
-  Tests:  4 incompleted, 7 skipped, 168 passed
+  Tests:  4 incompleted, 7 skipped, 172 passed
   

tests/Features/Coverage.php

@@ -0,0 +1,58 @@
+<?php
+
+use Pest\Plugins\Coverage as CoveragePlugin;
+use Pest\Support\Coverage;
+use Pest\TestSuite;
+use Symfony\Component\Console\Output\ConsoleOutput;
+
+it('has plugin')->assertTrue(class_exists(CoveragePlugin::class));
+
+it('adds coverage if --coverage exist', function () {
+    $plugin = new CoveragePlugin(new ConsoleOutput());
+    $testSuite = TestSuite::getInstance();
+
+    expect($plugin->coverage)->toBeFalse();
+    $arguments = $plugin->handleArguments([]);
+    expect($arguments)->toEqual([]);
+    expect($plugin->coverage)->toBeFalse();
+
+    $arguments = $plugin->handleArguments(['--coverage']);
+    expect($arguments)->toEqual(['--coverage-php', Coverage::getPath()]);
+    expect($plugin->coverage)->toBeTrue();
+});
+
+it('adds coverage if --min exist', function () {
+    $plugin = new CoveragePlugin(new ConsoleOutput());
+    expect($plugin->coverageMin)->toEqual(0.0);
+
+    expect($plugin->coverage)->toBeFalse();
+    $plugin->handleArguments([]);
+    expect($plugin->coverageMin)->toEqual(0.0);
+
+    $plugin->handleArguments(['--min=2']);
+    expect($plugin->coverageMin)->toEqual(2.0);
+
+    $plugin->handleArguments(['--min=2.4']);
+    expect($plugin->coverageMin)->toEqual(2.4);
+});
+
+it('generates coverage based on file input', function () {
+    expect(Coverage::getMissingCoverage(new class() {
+        public function lineCoverageData(): array
+        {
+            return [
+                1   => ['foo'],
+                2   => ['bar'],
+                4   => [],
+                5   => [],
+                6   => [],
+                7   => null,
+                100 => null,
+                101 => ['foo'],
+                102 => [],
+            ];
+        }
+    }))->toEqual([
+        '4..6', '102',
+    ]);
+});