77 lines
1.4 KiB
Go
77 lines
1.4 KiB
Go
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package main
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import (
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"bytes"
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"testing"
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)
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var (
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testDir = "testdata"
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goldenFile = "config.yaml.golden"
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outFile = "config.yaml"
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binName = "dkl-dir2config"
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)
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/*
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Build and run the code with default parameters and testdata
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*/
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func TestMain(m *testing.M) {
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fmt.Println("Building...")
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if runtime.GOOS == "windows" {
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binName += ".exe"
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}
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build := exec.Command("go", "build", "-o", filepath.Join(testDir, binName))
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if err := build.Run(); err != nil {
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fmt.Fprintf(os.Stderr, "Cannot build : %v", err)
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os.Exit(1)
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}
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fmt.Println("Running Tests...")
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result := m.Run()
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fmt.Println("Cleaning Up ... ")
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os.Remove(binName)
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os.Exit(result)
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}
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func TestRunMain(t *testing.T) {
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err := os.Chdir(testDir)
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if err != nil {
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t.Fatal(err)
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}
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t.Run("RunWithNoArgument", func(t *testing.T) {
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cmd := exec.Command("./" + binName)
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if err := cmd.Run(); err != nil {
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t.Fatal(err)
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}
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})
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t.Run("CompareOutputs", func(t *testing.T) {
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cmd := exec.Command("./"+binName, "-out", outFile)
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if err := cmd.Run(); err != nil {
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t.Fatal(err)
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}
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output, err := os.ReadFile(outFile)
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if err != nil {
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t.Fatal(err)
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}
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expected, err := os.ReadFile(goldenFile)
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if err != nil {
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t.Fatal(err)
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}
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if ret := bytes.Compare(output, expected); ret != 0 {
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t.Fatalf("Output (%v) of length %d is different than expected (%v) of length %d", outFile, len(output), goldenFile, len(expected))
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}
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})
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}
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