test for enforcing env

cmd/convox/start_test.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"testing"
+
+	"github.com/convox/rack/test"
+)
+
+var manifestRequired string = `www:
+  environment:
+    - FOO
+  image: httpd
+`
+
+func TestStartWithMissingEnv(t *testing.T) {
+	temp, _ := ioutil.TempDir("", "convox-test")
+	appDir := temp + "/app"
+	os.Mkdir(appDir, 0777)
+
+	d1 := []byte(manifestRequired)
+	ioutil.WriteFile(appDir+"/docker-compose.yml", d1, 0777)
+
+	test.Runs(t,
+		test.ExecRun{
+			Command: fmt.Sprintf("convox start"),
+			Dir:     appDir,
+			Env:     map[string]string{"CONVOX_CONFIG": temp},
+			Exit:    1,
+			Stderr:  "ERROR: env expected: FOO",
+		},
+	)
+}

test/exec.go

@@ -16,6 +16,7 @@ type ExecRun struct {
 	Command string
 	Env     map[string]string
 	Exit    int
+	Dir     string
 	Stdin   string
 	Stdout  string
 	Stderr  string
@@ -39,7 +40,7 @@ func (er ExecRun) exec() (string, string, int, error) {
 
 	cmd.Stdout = stdout
 	cmd.Stderr = stderr
-
+	cmd.Dir = er.Dir
 	cmd.Env = os.Environ()
 
 	for k, v := range er.Env {