Use separate test file

backend_test.go

+package main
+
+import (
+	"testing"
+)
+
+func TestParseAuthBackend(t *testing.T) {
+	failures := []string{
+		"",
+		"ftp://localhost",
+		"https://example.com",
+	}
+	for _, example := range failures {
+		if _, err := parseAuthBackend(example); err == nil {
+			t.Errorf("error expected for %q", example)
+		}
+	}
+
+	successes := []struct{ input, host, scheme string }{
+		{"http://localhost:8080", "localhost:8080", "http"},
+		{"localhost:3000", "localhost:3000", "http"},
+		{"http://localhost", "localhost", "http"},
+		{"localhost", "localhost", "http"},
+	}
+
+	for _, example := range successes {
+		result, err := parseAuthBackend(example.input)
+		if err != nil {
+			t.Errorf("parse %q: %v", example.input, err)
+			break
+		}
+
+		if result.Host != example.host {
+			t.Errorf("expected %q, got %q", example.host, result.Host)
+		}
+
+		if result.Scheme != example.scheme {
+			t.Errorf("expected %q, got %q", example.scheme, result.Scheme)
+
+		}
+	}
+}

main_test.go

@@ -736,43 +736,6 @@ func TestGetGitPatch(t *testing.T) {
 	}
 }
 
-func TestParseAuthBackend(t *testing.T) {
-	failures := []string{
-		"",
-		"ftp://localhost",
-		"https://example.com",
-	}
-	for _, example := range failures {
-		if _, err := parseAuthBackend(example); err == nil {
-			t.Errorf("error expected for %q", example)
-		}
-	}
-
-	successes := []struct{ input, host, scheme string }{
-		{"http://localhost:8080", "localhost:8080", "http"},
-		{"localhost:3000", "localhost:3000", "http"},
-		{"http://localhost", "localhost", "http"},
-		{"localhost", "localhost", "http"},
-	}
-
-	for _, example := range successes {
-		result, err := parseAuthBackend(example.input)
-		if err != nil {
-			t.Errorf("parse %q: %v", example.input, err)
-			break
-		}
-
-		if result.Host != example.host {
-			t.Errorf("expected %q, got %q", example.host, result.Host)
-		}
-
-		if result.Scheme != example.scheme {
-			t.Errorf("expected %q, got %q", example.scheme, result.Scheme)
-
-		}
-	}
-}
-
 func setupStaticFile(fpath, content string) error {
 	cwd, err := os.Getwd()
 	if err != nil {