test case to check « exec » works as expected

Signed-off-by: Nicolas De Loof <nicolas.deloof@gmail.com>

integration/container/exec_test.go

@@ -0,0 +1,60 @@
+package container
+
+import (
+	"context"
+	"io/ioutil"
+	"testing"
+
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/container"
+	"github.com/docker/docker/api/types/network"
+	"github.com/docker/docker/api/types/strslice"
+	"github.com/docker/docker/integration/util/request"
+	"github.com/stretchr/testify/require"
+)
+
+func TestExec(t *testing.T) {
+	defer setupTest(t)()
+	ctx := context.Background()
+	client := request.NewAPIClient(t)
+
+	container, err := client.ContainerCreate(ctx,
+		&container.Config{
+			Image:      "busybox",
+			Tty:        true,
+			WorkingDir: "/root",
+			Cmd:        strslice.StrSlice([]string{"top"}),
+		},
+		&container.HostConfig{},
+		&network.NetworkingConfig{},
+		"foo",
+	)
+	require.NoError(t, err)
+	err = client.ContainerStart(ctx, container.ID, types.ContainerStartOptions{})
+	require.NoError(t, err)
+
+	id, err := client.ContainerExecCreate(ctx, container.ID,
+		types.ExecConfig{
+			WorkingDir:   "/tmp",
+			Env:          strslice.StrSlice([]string{"FOO=BAR"}),
+			AttachStdout: true,
+			Cmd:          strslice.StrSlice([]string{"sh", "-c", "env"}),
+		},
+	)
+	require.NoError(t, err)
+
+	resp, err := client.ContainerExecAttach(ctx, id.ID,
+		types.ExecStartCheck{
+			Detach: false,
+			Tty:    false,
+		},
+	)
+	require.NoError(t, err)
+	defer resp.Close()
+	r, err := ioutil.ReadAll(resp.Reader)
+	require.NoError(t, err)
+	out := string(r)
+	require.NoError(t, err)
+	require.Contains(t, out, "PWD=/tmp", "exec command not running in expected /tmp working directory")
+	require.Contains(t, out, "FOO=BAR", "exec command not running with expected environment variable FOO")
+}