GODT-1657: More stable sync, with some tests

internal/try/try_test.go

@@ -0,0 +1,74 @@
+package try
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestTry(t *testing.T) {
+	res, err := CatchVal(func() (string, error) {
+		return "foo", nil
+	})
+	require.NoError(t, err)
+	require.Equal(t, "foo", res)
+}
+
+func TestTryCatch(t *testing.T) {
+	tryErr := fmt.Errorf("oops")
+
+	res, err := CatchVal(
+		func() (string, error) {
+			return "", tryErr
+		},
+		func() error {
+			return nil
+		},
+	)
+	require.ErrorIs(t, err, tryErr)
+	require.Zero(t, res)
+}
+
+func TestTryCatchError(t *testing.T) {
+	tryErr := fmt.Errorf("oops")
+
+	res, err := CatchVal(
+		func() (string, error) {
+			return "", tryErr
+		},
+		func() error {
+			return fmt.Errorf("catch error")
+		},
+	)
+	require.ErrorIs(t, err, tryErr)
+	require.Zero(t, res)
+}
+
+func TestTryPanic(t *testing.T) {
+	res, err := CatchVal(
+		func() (string, error) {
+			panic("oops")
+		},
+		func() error {
+			return nil
+		},
+	)
+	require.ErrorContains(t, err, "panic: oops")
+	require.Zero(t, res)
+}
+
+func TestTryCatchPanic(t *testing.T) {
+	tryErr := fmt.Errorf("oops")
+
+	res, err := CatchVal(
+		func() (string, error) {
+			return "", tryErr
+		},
+		func() error {
+			panic("oops")
+		},
+	)
+	require.ErrorIs(t, err, tryErr)
+	require.Zero(t, res)
+}