Move app packages under internal

internal/clipboard/service_test.go

@@ -0,0 +1,105 @@
+package clipboard
+
+import (
+	"errors"
+	"testing"
+
+	"git.julianfamily.org/keepassgo/internal/vault"
+)
+
+func TestServiceCopiesUsernamePasswordAndURL(t *testing.T) {
+	t.Parallel()
+
+	model := vault.Model{
+		Entries: []vault.Entry{
+			{
+				ID:       "vault-console",
+				Title:    "Vault Console",
+				Username: "dannyocean",
+				Password: "token-1",
+				URL:      "https://vault.crew.example.invalid",
+			},
+		},
+	}
+
+	tests := []struct {
+		name   string
+		target Target
+		want   string
+	}{
+		{name: "username", target: TargetUsername, want: "dannyocean"},
+		{name: "password", target: TargetPassword, want: "token-1"},
+		{name: "url", target: TargetURL, want: "https://vault.crew.example.invalid"},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			var writer memoryWriter
+			service := Service{Writer: &writer}
+
+			if err := service.Copy(model, "vault-console", tt.target); err != nil {
+				t.Fatalf("Copy() error = %v", err)
+			}
+
+			if writer.content != tt.want {
+				t.Fatalf("clipboard content = %q, want %q", writer.content, tt.want)
+			}
+		})
+	}
+}
+
+func TestServiceRejectsUnknownEntryAndUnsupportedTarget(t *testing.T) {
+	t.Parallel()
+
+	var writer memoryWriter
+	service := Service{Writer: &writer}
+
+	err := service.Copy(vault.Model{}, "missing", TargetPassword)
+	if !errors.Is(err, vault.ErrEntryNotFound) {
+		t.Fatalf("Copy() missing entry error = %v, want ErrEntryNotFound", err)
+	}
+
+	model := vault.Model{
+		Entries: []vault.Entry{{ID: "vault-console", Username: "dannyocean"}},
+	}
+	err = service.Copy(model, "vault-console", Target("unsupported"))
+	if !errors.Is(err, ErrUnsupportedTarget) {
+		t.Fatalf("Copy() unsupported target error = %v, want ErrUnsupportedTarget", err)
+	}
+}
+
+func TestServiceSanitizesClipboardWriteErrors(t *testing.T) {
+	t.Parallel()
+
+	service := Service{Writer: failingWriter{err: errors.New("backend refused token-1")}}
+	model := vault.Model{
+		Entries: []vault.Entry{
+			{ID: "vault-console", Password: "token-1"},
+		},
+	}
+
+	err := service.Copy(model, "vault-console", TargetPassword)
+	if !errors.Is(err, ErrWriteFailed) {
+		t.Fatalf("Copy() write error = %v, want ErrWriteFailed", err)
+	}
+	if err.Error() != ErrWriteFailed.Error() {
+		t.Fatalf("Copy() write error string = %q, want %q", err.Error(), ErrWriteFailed.Error())
+	}
+}
+
+type memoryWriter struct {
+	content string
+}
+
+func (w *memoryWriter) WriteText(text string) error {
+	w.content = text
+	return nil
+}
+
+type failingWriter struct {
+	err error
+}
+
+func (w failingWriter) WriteText(string) error {
+	return w.err
+}