Merge pull request Tantalor93#135 from Tantalor93/plottests

add tests for plots

cmd/plot_test.go

@@ -0,0 +1,105 @@
+package cmd
+
+import (
+	"os"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+var timings = []Datapoint{
+	{Start: time.Now(), Duration: 100},
+	{Start: time.Now().Add(time.Second), Duration: 200},
+	{Start: time.Now().Add(2 * time.Second), Duration: 300},
+	{Start: time.Now().Add(3 * time.Second), Duration: 100},
+	{Start: time.Now().Add(4 * time.Second), Duration: 150},
+	{Start: time.Now().Add(5 * time.Second), Duration: 200},
+	{Start: time.Now().Add(6 * time.Second), Duration: 200},
+	{Start: time.Now().Add(7 * time.Second), Duration: 300},
+	{Start: time.Now().Add(8 * time.Second), Duration: 350},
+	{Start: time.Now().Add(9 * time.Second), Duration: 100},
+	{Start: time.Now().Add(10 * time.Second), Duration: 200},
+}
+
+var rcodes = map[int]int64{
+	0: 8,
+	2: 1,
+	3: 2,
+}
+
+func Test_plotHistogramLatency(t *testing.T) {
+	dir := t.TempDir()
+
+	file := dir + "/histogram-latency.png"
+	plotHistogramLatency(file, timings)
+
+	expected, err := os.ReadFile("test-histogram-latency.png")
+	require.NoError(t, err)
+
+	actual, err := os.ReadFile(file)
+	require.NoError(t, err)
+
+	assert.Equal(t, expected, actual, "generated histogram latency plot does not equal to expected 'test-histogram-latency.png'")
+}
+
+func Test_plotBoxPlotLatency(t *testing.T) {
+	dir := t.TempDir()
+
+	file := dir + "/boxplot-latency.png"
+	plotBoxPlotLatency(file, "127.0.0.1", timings)
+
+	expected, err := os.ReadFile("test-boxplot-latency.png")
+	require.NoError(t, err)
+
+	actual, err := os.ReadFile(file)
+	require.NoError(t, err)
+
+	assert.Equal(t, expected, actual, "generated boxplot latency plot does not equal to expected 'test-boxplot-latency.png'")
+}
+
+func Test_plotResponses(t *testing.T) {
+	dir := t.TempDir()
+
+	file := dir + "/responses-barchart.png"
+	plotResponses(file, rcodes)
+
+	expected, err := os.ReadFile("test-responses-barchart.png")
+	require.NoError(t, err)
+
+	actual, err := os.ReadFile(file)
+	require.NoError(t, err)
+
+	assert.Equal(t, expected, actual, "generated boxplot latency plot does not equal to expected 'test-responses-barchart.png'")
+}
+
+func Test_plotLineThroughput(t *testing.T) {
+	dir := t.TempDir()
+
+	file := dir + "/throughput-lineplot.png"
+	plotLineThroughput(file, timings)
+
+	expected, err := os.ReadFile("test-throughput-lineplot.png")
+	require.NoError(t, err)
+
+	actual, err := os.ReadFile(file)
+	require.NoError(t, err)
+
+	assert.Equal(t, expected, actual, "generated boxplot latency plot does not equal to expected 'test-throughput-lineplot.png'")
+}
+
+func Test_plotLineLatencies(t *testing.T) {
+	dir := t.TempDir()
+
+	file := dir + "/latency-lineplot.png"
+	plotLineLatencies(file, timings)
+
+	expected, err := os.ReadFile("test-latency-lineplot.png")
+	require.NoError(t, err)
+
+	actual, err := os.ReadFile(file)
+	require.NoError(t, err)
+
+	assert.Equal(t, expected, actual, "generated boxplot latency plot does not equal to expected 'test-latency-lineplot.png'")
+}