feat: testdir resolution

internal/config/config.go

@@ -9,8 +9,7 @@ import (
 )
 
 type Config struct {
-	TestDir    string
-	HasTestDir bool
+	TestDir string
 }
 
 type tomlConfig struct {
@@ -21,11 +20,11 @@ type tomlMiroConfig struct {
 	TestDir string `toml:"test_dir"`
 }
 
-// ReadConfig reads miro.toml and reports whether [miro].test_dir was explicitly set.
+// ReadConfig reads miro.toml.
 func ReadConfig(path string) (Config, error) {
 	var raw tomlConfig
 
-	meta, err := toml.DecodeFile(path, &raw)
+	_, err := toml.DecodeFile(path, &raw)
 	if err != nil {
 		if errors.Is(err, os.ErrNotExist) {
 			return Config{}, err
@@ -34,7 +33,6 @@ func ReadConfig(path string) (Config, error) {
 	}
 
 	return Config{
-		TestDir:    raw.Miro.TestDir,
-		HasTestDir: meta.IsDefined("miro", "test_dir"),
+		TestDir: raw.Miro.TestDir,
 	}, nil
 }

internal/config/config_test.go

@@ -11,19 +11,16 @@ func TestReadConfig(t *testing.T) {
 		name        string
 		content     string
 		wantDir     string
-		wantHasDir  bool
 		wantReadErr bool
 	}{
 		{
-			name:       "with test dir",
-			content:    "[miro]\ntest_dir = \"custom/suite\"\n",
-			wantDir:    "custom/suite",
-			wantHasDir: true,
+			name:    "with test dir",
+			content: "[miro]\ntest_dir = \"custom/suite\"\n",
+			wantDir: "custom/suite",
 		},
 		{
-			name:       "without test dir",
-			content:    "[miro]\n",
-			wantHasDir: false,
+			name:    "without test dir",
+			content: "[miro]\n",
 		},
 		{
 			name:        "invalid toml",
@@ -52,9 +49,6 @@ func TestReadConfig(t *testing.T) {
 			if got.TestDir != tt.wantDir {
 				t.Fatalf("ReadConfig() TestDir = %q, want %q", got.TestDir, tt.wantDir)
 			}
-			if got.HasTestDir != tt.wantHasDir {
-				t.Fatalf("ReadConfig() HasTestDir = %v, want %v", got.HasTestDir, tt.wantHasDir)
-			}
 		})
 	}
 }