tests: add tests for ReleasePlatformSpecific

internal/overrides/overrides.go

@@ -231,13 +231,11 @@ func ReleasePlatformSpecific(release int, info *distro.OSRelease) string {
 		return fmt.Sprintf("alt%d", release)
 	}
 
-	for _, v := range info.Like {
-		if v == "fedora" {
+	if info.ID == "fedora" || slices.Contains(info.Like, "fedora") {
 		re := regexp.MustCompile(`platform:(\S+)`)
 		match := re.FindStringSubmatch(info.PlatformID)
 		if len(match) > 1 {
-				return fmt.Sprintf("%d.%s", release, match[0])
-			}
+			return fmt.Sprintf("%d.%s", release, match[1])
 		}
 	}
 

internal/overrides/overrides_test.go

@@ -24,6 +24,7 @@ import (
 	"reflect"
 	"testing"
 
+	"github.com/stretchr/testify/assert"
 	"golang.org/x/text/language"
 
 	"gitea.plemya-x.ru/Plemya-x/ALR/internal/overrides"
@@ -195,3 +196,43 @@ func TestResolveLangs(t *testing.T) {
 		t.Errorf("expected %v, got %v", expected, names)
 	}
 }
+
+func TestReleasePlatformSpecific(t *testing.T) {
+
+	type testCase struct {
+		info     *distro.OSRelease
+		expected string
+	}
+
+	for _, tc := range []testCase{
+		{
+			info: &distro.OSRelease{
+				ID:         "centos",
+				Like:       []string{"rhel", "fedora"},
+				PlatformID: "platform:el8",
+			},
+			expected: "1.el8",
+		},
+		{
+			info: &distro.OSRelease{
+				ID:         "fedora",
+				PlatformID: "platform:f42",
+			},
+			expected: "1.f42",
+		},
+		{
+			info: &distro.OSRelease{
+				ID: "altlinux",
+			},
+			expected: "alt1",
+		},
+		{
+			info: &distro.OSRelease{
+				ID: "ubuntu",
+			},
+			expected: "1",
+		},
+	} {
+		assert.Equal(t, tc.expected, overrides.ReleasePlatformSpecific(1, tc.info))
+	}
+}