test: add test for axis

series_test.go

@@ -0,0 +1,89 @@
+// MIT License
+
+// Copyright (c) 2022 Tree Xie
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+package charts
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNewSeriesListDataFromValues(t *testing.T) {
+	assert := assert.New(t)
+
+	assert.Equal(SeriesList{
+		{
+			Type: ChartTypeBar,
+			Data: []SeriesData{
+				{
+					Value: 1.0,
+				},
+			},
+		},
+	}, NewSeriesListDataFromValues([][]float64{
+		{
+			1,
+		},
+	}, ChartTypeBar))
+}
+
+func TestSeriesLists(t *testing.T) {
+	assert := assert.New(t)
+	seriesList := NewSeriesListDataFromValues([][]float64{
+		{
+			1,
+			2,
+		},
+		{
+			10,
+		},
+	}, ChartTypeBar)
+
+	assert.Equal(2, len(seriesList.Filter(ChartTypeBar)))
+	assert.Equal(0, len(seriesList.Filter(ChartTypeLine)))
+
+	max, min := seriesList.GetMaxMin(0)
+	assert.Equal(float64(10), max)
+	assert.Equal(float64(1), min)
+
+	assert.Equal(seriesSummary{
+		MaxIndex:     1,
+		MaxValue:     2,
+		MinIndex:     0,
+		MinValue:     1,
+		AverageValue: 1.5,
+	}, seriesList[0].Summary())
+}
+
+func TestFormatter(t *testing.T) {
+	assert := assert.New(t)
+
+	assert.Equal("a: 12%", NewPieLabelFormatter([]string{
+		"a",
+		"b",
+	}, "")(0, 10, 0.12))
+
+	assert.Equal("10", NewValueLabelFormatter([]string{
+		"a",
+		"b",
+	}, "")(0, 10, 0.12))
+}