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ps_test.go
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ps_test.go
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// Copyright (c) 2015 SUSE LLC. 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"
"log"
"os"
"path/filepath"
"strings"
"testing"
"github.com/mssola/capture"
)
func TestPsCommandListContaienrsFailure(t *testing.T) {
setupTestExitStatus()
dockerClient = &mockClient{listFail: true}
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
capture.All(func() { psCmd(testContext([]string{}, false)) })
if !strings.Contains(buffer.String(), "Cannot list running containers") {
t.Fatal("It should've logged something\n")
}
if exitInvocations != 1 {
t.Fatalf("Expected to have exited with error")
}
}
func TestPsCommandListContaienrsEmpty(t *testing.T) {
setupTestExitStatus()
dockerClient = &mockClient{listEmpty: true}
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
capture.All(func() { psCmd(testContext([]string{}, false)) })
if !strings.Contains(buffer.String(), "There are no running containers") {
t.Fatal("It should've logged something\n")
}
if exitInvocations != 0 {
t.Fatalf("Should not have exited with an error")
}
}
func TestPsCommandNoMatches(t *testing.T) {
cache := os.Getenv("XDG_CACHE_HOME")
abs, _ := filepath.Abs(".")
test := filepath.Join(abs, "test")
defer func() {
_ = os.Setenv("XDG_CACHE_HOME", cache)
}()
_ = os.Setenv("XDG_CACHE_HOME", test)
setupTestExitStatus()
dockerClient = &mockClient{}
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
capture.All(func() { psCmd(testContext([]string{}, false)) })
if strings.Contains(buffer.String(), "Running containers whose images have been updated") {
t.Fatal("It should not have found matches")
}
if exitInvocations != 0 {
t.Fatalf("Should not have exited with an error")
}
}
func TestPsCommandMatches(t *testing.T) {
cache := os.Getenv("XDG_CACHE_HOME")
abs, _ := filepath.Abs(".")
test := filepath.Join(abs, "test")
defer func() {
_ = os.Setenv("XDG_CACHE_HOME", cache)
}()
_ = os.Setenv("XDG_CACHE_HOME", test)
cacheFile := getCacheFile()
cacheFile.Outdated = []string{"2"} // this is the Id of the opensuse:13.2 image
cacheFile.Other = []string{"3"} // this is the Id of the ubuntu:latest image
cacheFile.flush()
setupTestExitStatus()
dockerClient = &mockClient{}
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
rec := capture.All(func() { psCmd(testContext([]string{}, false)) })
if !strings.Contains(buffer.String(), "Cannot analyze container 4 [foo]") {
t.Fatal("Wrong message")
}
if !strings.Contains(string(rec.Stdout), "Running containers whose images have been updated") {
t.Fatal("Wrong message")
}
if !strings.Contains(string(rec.Stdout), "The following containers have an unknown state") &&
!strings.Contains(string(rec.Stdout), "busybox") &&
!strings.Contains(string(rec.Stdout), "foo") {
t.Fatal("Wrong message")
}
if !strings.Contains(string(rec.Stdout), "The following containers have been ignored") &&
!strings.Contains(string(rec.Stdout), "ubuntu") {
t.Fatal("Wrong message")
}
if exitInvocations != 0 {
t.Fatalf("Should not have exited with an error")
}
}