From 3d5271f512d38024269fa029dce44b138e39a3c7 Mon Sep 17 00:00:00 2001
From: Nuno Maduro <enunomaduro@gmail.com>
Date: Fri, 16 Sep 2022 17:47:29 +0100
Subject: [PATCH] Improves coverage feedback

---
 composer.json            |  2 +-
 src/Plugins/Coverage.php | 18 ++++++++++++++++++
 src/Support/Coverage.php | 16 +++++++++++++++-
 3 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/composer.json b/composer.json
index 433f4f0a..8f401627 100644
--- a/composer.json
+++ b/composer.json
@@ -75,7 +75,7 @@
         "lint": "pint --test",
         "test:lint": "pint --test",
         "test:types": "phpstan analyse --ansi --memory-limit=-1 --debug",
-        "test:unit": "php bin/pest --colors=always --exclude-group=integration",
+        "test:unit": "php bin/pest --colors=always --exclude-group=integration --compact",
         "test:parallel": "exit 1",
         "test:integration": "php bin/pest --colors=always --group=integration -v",
         "update:snapshots": "REBUILD_SNAPSHOTS=true php bin/pest --colors=always",
diff --git a/src/Plugins/Coverage.php b/src/Plugins/Coverage.php
index fe8f0be6..06315d36 100644
--- a/src/Plugins/Coverage.php
+++ b/src/Plugins/Coverage.php
@@ -87,6 +87,24 @@ final class Coverage implements AddsOutput, HandlesArguments
             $this->coverageMin = (float) $minOption;
         }
 
+        if (! \Pest\Support\Coverage::isAvailable()) {
+            if (\Pest\Support\Coverage::usingXdebug()) {
+                $this->output->writeln([
+                    '',
+                    "  <fg=default;bg=red;options=bold> ERROR </> Unable to get coverage using Xdebug. Did you set <href=https://xdebug.org/docs/code_coverage#mode>Xdebug's coverage mode</>?</>",
+                    '',
+                ]);
+            } else {
+                $this->output->writeln([
+                    '',
+                    '  <fg=default;bg=red;options=bold> ERROR </> No code coverage driver is available.</>',
+                    '',
+                ]);
+            }
+
+            exit(1);
+        }
+
         return $originals;
     }
 
diff --git a/src/Support/Coverage.php b/src/Support/Coverage.php
index 8e1fcd5a..3d409ceb 100644
--- a/src/Support/Coverage.php
+++ b/src/Support/Coverage.php
@@ -36,7 +36,21 @@ final class Coverage
      */
     public static function isAvailable(): bool
     {
-        return (new Runtime())->canCollectCodeCoverage();
+        $runtime = new Runtime();
+
+        if (! $runtime->canCollectCodeCoverage()) {
+            return false;
+        }
+
+        if ($runtime->hasXdebug()) {
+            if (version_compare((string) phpversion('xdebug'), '3.1', '>=')) {
+                if (! in_array('coverage', xdebug_info('mode'), true)) {
+                    return false;
+                }
+            }
+        }
+
+        return true;
     }
 
     /**