Added unit test

Author: pierresouchay

haproxy/haproxy_cmd/cmd_test.go

@@ -0,0 +1,25 @@
+package haproxy_cmd
+
+import (
+	"testing"
+
+	"github.com/criteo/haproxy-consul-connect/lib"
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_runCommand_ok(t *testing.T) {
+	t.Parallel()
+	sd := lib.NewShutdown()
+	cmd, err := runCommand(sd, "ls", ".")
+	assert.NoError(t, err)
+	cmd.Wait()
+}
+
+func Test_runCommand_nok_wrong_path(t *testing.T) {
+	t.Parallel()
+	sd := lib.NewShutdown()
+	cmd, err := runCommand(sd, "/path/to/nowhere/that/can/be/found/myExec", "--help")
+	assert.NotNil(t, err)
+	assert.Contains(t, err.Error(), "no such file or directory")
+	assert.Nil(t, cmd)
+}