Allow testing on CI (linux).

cmd/zenity/notify.go

@@ -1,3 +1,5 @@
+// +build windows darwin dev
+
 package main
 
 import (

color_test.go

@@ -31,6 +31,9 @@ func TestSelectColor_timeout(t *testing.T) {
 	defer cancel()
 
 	_, err := zenity.SelectColor(zenity.Context(ctx))
+	if err, skip := skip(err); skip {
+		t.Skip("skipping:", err)
+	}
 	if !os.IsTimeout(err) {
 		t.Error("did not timeout:", err)
 	}
@@ -42,6 +45,9 @@ func TestSelectColor_cancel(t *testing.T) {
 	cancel()
 
 	_, err := zenity.SelectColor(zenity.Context(ctx))
+	if err, skip := skip(err); skip {
+		t.Skip("skipping:", err)
+	}
 	if !errors.Is(err, context.Canceled) {
 		t.Error("was not canceled:", err)
 	}

entry_test.go

@@ -23,6 +23,9 @@ func TestEntry_timeout(t *testing.T) {
 	defer cancel()
 
 	_, err := zenity.Entry("", zenity.Context(ctx))
+	if err, skip := skip(err); skip {
+		t.Skip("skipping:", err)
+	}
 	if !os.IsTimeout(err) {
 		t.Error("did not timeout:", err)
 	}
@@ -34,6 +37,9 @@ func TestEntry_cancel(t *testing.T) {
 	cancel()
 
 	_, err := zenity.Entry("", zenity.Context(ctx))
+	if err, skip := skip(err); skip {
+		t.Skip("skipping:", err)
+	}
 	if !errors.Is(err, context.Canceled) {
 		t.Error("was not canceled:", err)
 	}

file_test.go

@@ -83,6 +83,9 @@ func TestFile_timeout(t *testing.T) {
 		ctx, cancel := context.WithTimeout(context.Background(), time.Second/10)
 
 		_, err := f(zenity.Context(ctx))
+		if err, skip := skip(err); skip {
+			t.Skip("skipping:", err)
+		}
 		if !os.IsTimeout(err) {
 			t.Error("did not timeout:", err)
 		}
@@ -99,6 +102,9 @@ func TestFile_cancel(t *testing.T) {
 
 	for _, f := range fileFuncs {
 		_, err := f(zenity.Context(ctx))
+		if err, skip := skip(err); skip {
+			t.Skip("skipping:", err)
+		}
 		if !errors.Is(err, context.Canceled) {
 			t.Error("was not canceled:", err)
 		}

list_test.go

@@ -51,6 +51,9 @@ func TestList_timeout(t *testing.T) {
 	defer cancel()
 
 	_, err := zenity.List("", nil, zenity.Context(ctx))
+	if err, skip := skip(err); skip {
+		t.Skip("skipping:", err)
+	}
 	if !os.IsTimeout(err) {
 		t.Error("did not timeout:", err)
 	}
@@ -62,6 +65,9 @@ func TestList_cancel(t *testing.T) {
 	cancel()
 
 	_, err := zenity.List("", nil, zenity.Context(ctx))
+	if err, skip := skip(err); skip {
+		t.Skip("skipping:", err)
+	}
 	if !errors.Is(err, context.Canceled) {
 		t.Error("was not canceled:", err)
 	}

msg_test.go

@@ -51,6 +51,9 @@ func TestMessage_timeout(t *testing.T) {
 		ctx, cancel := context.WithTimeout(context.Background(), time.Second/10)
 
 		err := f("text", zenity.Context(ctx))
+		if err, skip := skip(err); skip {
+			t.Skip("skipping:", err)
+		}
 		if !os.IsTimeout(err) {
 			t.Error("did not timeout:", err)
 		}
@@ -67,6 +70,9 @@ func TestMessage_cancel(t *testing.T) {
 
 	for _, f := range msgFuncs {
 		err := f("text", zenity.Context(ctx))
+		if err, skip := skip(err); skip {
+			t.Skip("skipping:", err)
+		}
 		if !errors.Is(err, context.Canceled) {
 			t.Error("was not canceled:", err)
 		}

notify_test.go

@@ -22,6 +22,9 @@ func TestNotify_cancel(t *testing.T) {
 	cancel()
 
 	err := zenity.Notify("text", zenity.Context(ctx))
+	if err, skip := skip(err); skip {
+		t.Skip("skipping:", err)
+	}
 	if !errors.Is(err, context.Canceled) {
 		t.Error("was not canceled:", err)
 	}

progress_test.go

@@ -3,7 +3,6 @@ package zenity_test
 import (
 	"context"
 	"errors"
-	"log"
 	"testing"
 	"time"
 
@@ -15,7 +14,7 @@ func ExampleProgress() {
 	dlg, err := zenity.Progress(
 		zenity.Title("Update System Logs"))
 	if err != nil {
-		log.Fatal(err)
+		return
 	}
 	defer dlg.Close()
 
@@ -49,7 +48,7 @@ func ExampleProgress_pulsate() {
 		zenity.Title("Update System Logs"),
 		zenity.Pulsate())
 	if err != nil {
-		log.Fatal(err)
+		return
 	}
 	defer dlg.Close()
 
@@ -77,6 +76,9 @@ func TestProgress_cancel(t *testing.T) {
 	cancel()
 
 	_, err := zenity.Progress(zenity.Context(ctx))
+	if err, skip := skip(err); skip {
+		t.Skip("skipping:", err)
+	}
 	if !errors.Is(err, context.Canceled) {
 		t.Error("was not canceled:", err)
 	}
@@ -87,6 +89,9 @@ func TestProgress_cancelAfter(t *testing.T) {
 	ctx, cancel := context.WithCancel(context.Background())
 
 	dlg, err := zenity.Progress(zenity.Context(ctx))
+	if err, skip := skip(err); skip {
+		t.Skip("skipping:", err)
+	}
 	if err != nil {
 		t.Fatal(err)
 	}

pwd_test.go

@@ -22,6 +22,9 @@ func TestPassword_timeout(t *testing.T) {
 	defer cancel()
 
 	_, _, err := zenity.Password(zenity.Context(ctx))
+	if err, skip := skip(err); skip {
+		t.Skip("skipping:", err)
+	}
 	if !os.IsTimeout(err) {
 		t.Error("did not timeout:", err)
 	}
@@ -33,6 +36,9 @@ func TestPassword_cancel(t *testing.T) {
 	cancel()
 
 	_, _, err := zenity.Password(zenity.Context(ctx))
+	if err, skip := skip(err); skip {
+		t.Skip("skipping:", err)
+	}
 	if !errors.Is(err, context.Canceled) {
 		t.Error("was not canceled:", err)
 	}

zenity_test.go

@@ -1,6 +1,10 @@
 package zenity_test
 
 import (
+	"errors"
+	"os"
+	"os/exec"
+	"runtime"
 	"testing"
 
 	"go.uber.org/goleak"
@@ -9,3 +13,15 @@ import (
 func TestMain(m *testing.M) {
 	goleak.VerifyTestMain(m)
 }
+
+func skip(err error) (error, bool) {
+	if _, ok := err.(*exec.Error); ok {
+		// zenity/osascript/etc were not found in path
+		return err, true
+	}
+	if err != nil && os.Getenv("DISPLAY") == "" && !(runtime.GOOS == "windows" || runtime.GOOS == "darwin") {
+		// no display
+		return errors.New("no display"), true
+	}
+	return nil, false
+}