metric_test.go: add TestBOOL_MarshalText and TestBOOL_UnmarshalText.

Author: For-ACGN

metric/metric_test.go

@@ -0,0 +1,56 @@
+package metric
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestBOOL_MarshalText(t *testing.T) {
+	t.Run("true", func(t *testing.T) {
+		TRUE := BOOL(1)
+		output, err := TRUE.MarshalText()
+		require.NoError(t, err)
+		require.Equal(t, output, []byte("true"))
+	})
+
+	t.Run("false", func(t *testing.T) {
+		FALSE := BOOL(0)
+		output, err := FALSE.MarshalText()
+		require.NoError(t, err)
+		require.Equal(t, output, []byte("false"))
+	})
+}
+
+func TestBOOL_UnmarshalText(t *testing.T) {
+	t.Run("true", func(t *testing.T) {
+		var b BOOL
+
+		err := b.UnmarshalText([]byte("true"))
+		require.NoError(t, err)
+		require.Equal(t, BOOL(1), b)
+
+		err = b.UnmarshalText([]byte("True"))
+		require.NoError(t, err)
+		require.Equal(t, BOOL(1), b)
+	})
+
+	t.Run("false", func(t *testing.T) {
+		var b BOOL
+
+		err := b.UnmarshalText([]byte("false"))
+		require.NoError(t, err)
+		require.Equal(t, BOOL(0), b)
+
+		err = b.UnmarshalText([]byte("False"))
+		require.NoError(t, err)
+		require.Equal(t, BOOL(0), b)
+	})
+
+	t.Run("invalid", func(t *testing.T) {
+		var b BOOL
+
+		err := b.UnmarshalText([]byte("invalid"))
+		require.EqualError(t, err, "invalid BOOL value")
+	})
+}