get rid of pkg/hyperkube

cmd/hyperkube/hyperkube_test.go

@@ -0,0 +1,143 @@
+/*
+Copyright 2014 Google Inc. All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+type result struct {
+	err    error
+	output string
+}
+
+func testServer(n string) *Server {
+	return &Server{
+		SimpleUsage: n,
+		Long:        fmt.Sprintf("A simple server named %s", n),
+		Run: func(s *Server, args []string) error {
+			s.hk.Printf("%s Run\n", s.Name())
+			return nil
+		},
+	}
+}
+func testServerError(n string) *Server {
+	return &Server{
+		SimpleUsage: n,
+		Long:        fmt.Sprintf("A simple server named %s that returns an error", n),
+		Run: func(s *Server, args []string) error {
+			s.hk.Printf("%s Run\n", s.Name())
+			return errors.New("Server returning error")
+		},
+	}
+}
+
+func runFull(t *testing.T, args string) *result {
+	buf := new(bytes.Buffer)
+	hk := HyperKube{
+		Name: "hyperkube",
+		Long: "hyperkube is an all-in-one server binary.",
+	}
+	hk.SetOut(buf)
+
+	hk.AddServer(testServer("test1"))
+	hk.AddServer(testServer("test2"))
+	hk.AddServer(testServer("test3"))
+	hk.AddServer(testServerError("test-error"))
+
+	a := strings.Split(args, " ")
+	t.Logf("Running full with args: %q", a)
+	err := hk.Run(a)
+
+	r := &result{err, buf.String()}
+	t.Logf("Result err: %v, output: %q", r.err, r.output)
+
+	return r
+}
+
+func TestRun(t *testing.T) {
+	x := runFull(t, "hyperkube test1")
+	assert.Contains(t, x.output, "test1 Run")
+	assert.NoError(t, x.err)
+}
+
+func TestLinkRun(t *testing.T) {
+	x := runFull(t, "test1")
+	assert.Contains(t, x.output, "test1 Run")
+	assert.NoError(t, x.err)
+}
+
+func TestTopNoArgs(t *testing.T) {
+	x := runFull(t, "hyperkube")
+	assert.EqualError(t, x.err, "No server specified")
+}
+
+func TestBadServer(t *testing.T) {
+	x := runFull(t, "hyperkube bad-server")
+	assert.EqualError(t, x.err, "Server not found: bad-server")
+	assert.Contains(t, x.output, "Usage")
+}
+
+func TestTopHelp(t *testing.T) {
+	x := runFull(t, "hyperkube --help")
+	assert.NoError(t, x.err)
+	assert.Contains(t, x.output, "all-in-one")
+	assert.Contains(t, x.output, "A simple server named test1")
+}
+
+func TestTopFlags(t *testing.T) {
+	x := runFull(t, "hyperkube --help test1")
+	assert.NoError(t, x.err)
+	assert.Contains(t, x.output, "all-in-one")
+	assert.Contains(t, x.output, "A simple server named test1")
+	assert.NotContains(t, x.output, "test1 Run")
+}
+
+func TestTopFlagsBad(t *testing.T) {
+	x := runFull(t, "hyperkube --bad-flag")
+	assert.EqualError(t, x.err, "unknown flag: --bad-flag")
+	assert.Contains(t, x.output, "all-in-one")
+	assert.Contains(t, x.output, "A simple server named test1")
+}
+
+func TestServerHelp(t *testing.T) {
+	x := runFull(t, "hyperkube test1 --help")
+	assert.NoError(t, x.err)
+	assert.Contains(t, x.output, "A simple server named test1")
+	assert.Contains(t, x.output, "--help=false: help for hyperkube")
+	assert.NotContains(t, x.output, "test1 Run")
+}
+
+func TestServerFlagsBad(t *testing.T) {
+	x := runFull(t, "hyperkube test1 --bad-flag")
+	assert.EqualError(t, x.err, "unknown flag: --bad-flag")
+	assert.Contains(t, x.output, "A simple server named test1")
+	assert.Contains(t, x.output, "--help=false: help for hyperkube")
+	assert.NotContains(t, x.output, "test1 Run")
+}
+
+func TestServerError(t *testing.T) {
+	x := runFull(t, "hyperkube test-error")
+	assert.Contains(t, x.output, "test-error Run")
+	assert.EqualError(t, x.err, "Server returning error")
+}