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package goterm
import (
"fmt"
"math"
"math/rand"
"testing"
)
func TestCreateDataTable(t *testing.T) {
data := new(DataTable)
data.AddColumn("Gender")
data.AddColumn("Age")
if len(data.columns) != 2 {
t.Error("Should be 2 columns")
}
if data.columns[1] != "Age" {
t.Error("Should have proper column name")
}
data.AddRow(1, 5)
data.AddRow(0, 4)
if len(data.rows) != 2 {
t.Error("Should have 2 rows")
}
if data.rows[1][0] != 0 && data.rows[1][1] != 4 {
t.Error("Row should be properly inserted")
}
}
func TestLineChartIndependent(t *testing.T) {
fmt.Println("Independent charts\n")
chart := NewLineChart(100, 20)
chart.Flags = DRAW_INDEPENDENT //| DRAW_RELATIVE
chartReversed := NewLineChart(100, 20)
chartReversed.Flags = DRAW_INDEPENDENT
data := new(DataTable)
data.AddColumn("Time")
data.AddColumn("Lat")
data.AddColumn("Count")
dataReversed := new(DataTable)
dataReversed.AddColumn("Time")
dataReversed.AddColumn("Lat")
dataReversed.AddColumn("Count")
//data.AddColumn("x*x")
for i := 0; i < 60; i++ {
x := float64(i + 60)
y1 := float64(20 + rand.Intn(10))
y2 := float64((60-i)*2 + rand.Intn((60-i)+1))
data.AddRow(x, y1, y2) // ,*/, x*x)
dataReversed.AddRow(x, y2, y1)
}
// The two charts should look the same, only with inversed axes and colors
fmt.Println(chart.Draw(data))
fmt.Println(chartReversed.Draw(dataReversed))
}
func TestLineChartRelative(t *testing.T) {
fmt.Println("Relative chart\n")
chart := NewLineChart(100, 20)
chart.Flags = DRAW_RELATIVE
data := new(DataTable)
data.AddColumn("X")
data.AddColumn("Sin(x)")
data.AddColumn("Cos(x+1)")
//data.AddColumn("x*x")
for i := 0.1; i < 10; i += 0.1 {
data.AddRow(i, math.Sin(i), math.Cos(i+1))
}
fmt.Println(chart.Draw(data))
}
func TestLineChart(t *testing.T) {
fmt.Println("Simple chart\n")
chart := NewLineChart(100, 20)
//chart.Flags = /*DRAW_INDEPENDENT // | */// DRAW_RELATIVE
data := new(DataTable)
data.AddColumn("x")
data.AddColumn("fx1")
data.AddColumn("fx2")
for i := -5.0; i < 5; i += 0.1 {
data.AddRow(i, 3*math.Sin(i)+3*i+30, i*i+5)
}
fmt.Println(chart.Draw(data))
}
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