test: add test for series

series_test.go

@@ -0,0 +1,158 @@
+// 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 TestNewSeriesFromValues(t *testing.T) {
+	assert := assert.New(t)
+
+	assert.Equal(Series{
+		Data: []SeriesData{
+			{
+				Value: 1,
+			},
+			{
+				Value: 2,
+			},
+		},
+		Type: ChartTypeBar,
+	}, NewSeriesFromValues([]float64{
+		1,
+		2,
+	}, ChartTypeBar))
+}
+
+func TestNewSeriesDataFromValues(t *testing.T) {
+	assert := assert.New(t)
+
+	assert.Equal([]SeriesData{
+		{
+			Value: 1,
+		},
+		{
+			Value: 2,
+		},
+	}, NewSeriesDataFromValues([]float64{
+		1,
+		2,
+	}))
+}
+
+func TestNewPieSeriesList(t *testing.T) {
+	assert := assert.New(t)
+
+	assert.Equal([]Series{
+		{
+			Type: ChartTypePie,
+			Label: SeriesLabel{
+				Show: true,
+			},
+			Radius: "30%",
+			Data: []SeriesData{
+				{
+					Value: 1,
+				},
+			},
+		},
+		{
+			Type: ChartTypePie,
+			Label: SeriesLabel{
+				Show: true,
+			},
+			Radius: "30%",
+			Data: []SeriesData{
+				{
+					Value: 2,
+				},
+			},
+		},
+	}, NewPieSeriesList([]float64{
+		1,
+		2,
+	}, PieSeriesOption{
+		Radius:    "30%",
+		LabelShow: true,
+	}))
+}
+
+func TestSeriesSummary(t *testing.T) {
+	assert := assert.New(t)
+
+	s := Series{
+		Data: NewSeriesDataFromValues([]float64{
+			1,
+			3,
+			5,
+			7,
+			9,
+		}),
+	}
+	assert.Equal(seriesSummary{
+		MaxIndex:     4,
+		MaxValue:     9,
+		MinIndex:     0,
+		MinValue:     1,
+		AverageValue: 5,
+	}, s.Summary())
+}
+
+func TestGetSeriesNames(t *testing.T) {
+	assert := assert.New(t)
+
+	sl := SeriesList{
+		{
+			Name: "a",
+		},
+		{
+			Name: "b",
+		},
+	}
+	assert.Equal([]string{
+		"a",
+		"b",
+	}, sl.Names())
+}
+
+func TestNewPieLabelFormatter(t *testing.T) {
+	assert := assert.New(t)
+
+	fn := NewPieLabelFormatter([]string{
+		"a",
+		"b",
+	}, "")
+	assert.Equal("a: 35%", fn(0, 1.2, 0.35))
+}
+
+func TestNewValueLabelFormater(t *testing.T) {
+	assert := assert.New(t)
+	fn := NewValueLabelFormater([]string{
+		"a",
+		"b",
+	}, "")
+	assert.Equal("1.2", fn(0, 1.2, 0.35))
+}