1

Author: babyTsakhes

datetime/interval_test.go

@@ -284,6 +284,90 @@ func TestIntervalStringIntegration(t *testing.T) {
 	})
 }
 
+func TestIntervalStringFromTarantool(t *testing.T) {
+	skipIfDatetimeUnsupported(t)
+
+	conn := test_helpers.ConnectWithValidation(t, dialer, opts)
+	defer conn.Close()
+
+	testCases := []struct {
+		luaExpr  string
+		expected string
+	}{
+		{
+			"return require('datetime').interval.new({})",
+			"0 seconds",
+		},
+		{
+			"return require('datetime').interval.new({year = 1})",
+			"+1 year",
+		},
+		{
+			"return require('datetime').interval.new({year = -1})",
+			"-1 year",
+		},
+		{
+			"return require('datetime').interval.new({year = 5})",
+			"+5 years",
+		},
+		{
+			"return require('datetime').interval.new({year = 1, month = 2, day = 3})",
+			"+1 year, 2 months, 3 days",
+		},
+		{
+			"return require('datetime').interval.new({hour = 1, min = 30, sec = 45})",
+			"+1 hour, 30 minutes, 45 seconds",
+		},
+		{
+			"return require('datetime').interval.new({year = -1, month = 2, week = -3, day = 4, hour = -5, min = 6, sec = -7, nsec = 9})",
+			"-1 year, 2 months, -3 weeks, 4 days, -5 hours, 6 minutes, -7 seconds, 9 nanoseconds",
+		},
+		{
+			"return require('datetime').interval.new({sec = 5, nsec = 123456789})",
+			"+5 seconds, 123456789 nanoseconds",
+		},
+		{
+			"return require('datetime').interval.new({sec = -5, nsec = -123456789})",
+			"-5 seconds, -123456789 nanoseconds",
+		},
+		{
+			"return require('datetime').interval.new({nsec = 500000000})",
+			"+500000000 nanoseconds",
+		},
+		{
+			"return require('datetime').interval.new({nsec = -500000000})",
+			"-500000000 nanoseconds",
+		},
+		{
+			"return require('datetime').interval.new({year = 1, month = 6, week = 2, day = 3, hour = 12, min = 30, sec = 45, nsec = 123456789})",
+			"+1 year, 6 months, 2 weeks, 3 days, 12 hours, 30 minutes, 45 seconds, 123456789 nanoseconds",
+		},
+		{
+			"return require('datetime').interval.new({year = -1, day = -2, hour = -3})",
+			"-1 year, -2 days, -3 hours",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.expected, func(t *testing.T) {
+			data, err := conn.Do(tarantool.NewEvalRequest(tc.luaExpr)).Get()
+			if err != nil {
+				t.Fatalf("Eval failed: %s", err)
+			}
+			if len(data) != 1 {
+				t.Fatalf("Expected 1 result, got %d", len(data))
+			}
+			ival, ok := data[0].(Interval)
+			if !ok {
+				t.Fatalf("Result is not Interval: %T", data[0])
+			}
+			if got := ival.String(); got != tc.expected {
+				t.Errorf("String() = %q, want %q", got, tc.expected)
+			}
+		})
+	}
+}
+
 func TestIntervalStringEdgeCases(t *testing.T) {
 	tests := []struct {
 		name     string