refactor: change project structure and package name

pkg/chart/value_formatter_test.go

@@ -0,0 +1,58 @@
+package chart
+
+import (
+	"testing"
+	"time"
+
+	"github.com/d-Rickyy-b/go-chart-x/v2/testutil"
+)
+
+func TestTimeValueFormatterWithFormat(t *testing.T) {
+	// replaced new assertions helper
+
+	d := time.Now()
+	di := TimeToFloat64(d)
+	df := float64(di)
+
+	s := formatTime(d, DefaultDateFormat)
+	si := formatTime(di, DefaultDateFormat)
+	sf := formatTime(df, DefaultDateFormat)
+	testutil.AssertEqual(t, s, si)
+	testutil.AssertEqual(t, s, sf)
+
+	sd := TimeValueFormatter(d)
+	sdi := TimeValueFormatter(di)
+	sdf := TimeValueFormatter(df)
+	testutil.AssertEqual(t, s, sd)
+	testutil.AssertEqual(t, s, sdi)
+	testutil.AssertEqual(t, s, sdf)
+}
+
+func TestFloatValueFormatter(t *testing.T) {
+	// replaced new assertions helper
+	testutil.AssertEqual(t, "1234.00", FloatValueFormatter(1234.00))
+}
+
+func TestFloatValueFormatterWithFloat32Input(t *testing.T) {
+	// replaced new assertions helper
+	testutil.AssertEqual(t, "1234.00", FloatValueFormatter(float32(1234.00)))
+}
+
+func TestFloatValueFormatterWithIntegerInput(t *testing.T) {
+	// replaced new assertions helper
+	testutil.AssertEqual(t, "1234.00", FloatValueFormatter(1234))
+}
+
+func TestFloatValueFormatterWithInt64Input(t *testing.T) {
+	// replaced new assertions helper
+	testutil.AssertEqual(t, "1234.00", FloatValueFormatter(int64(1234)))
+}
+
+func TestFloatValueFormatterWithFormat(t *testing.T) {
+	// replaced new assertions helper
+
+	v := 123.456
+	sv := FloatValueFormatterWithFormat(v, "%.3f")
+	testutil.AssertEqual(t, "123.456", sv)
+	testutil.AssertEqual(t, "123.000", FloatValueFormatterWithFormat(123, "%.3f"))
+}