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moby--moby/engine/env_test.go

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package engine
import (
"bytes"
"encoding/json"
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"testing"
"github.com/docker/docker/pkg/testutils"
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)
func TestEnvLenZero(t *testing.T) {
env := &Env{}
if env.Len() != 0 {
t.Fatalf("%d", env.Len())
}
}
func TestEnvLenNotZero(t *testing.T) {
env := &Env{}
env.Set("foo", "bar")
env.Set("ga", "bu")
if env.Len() != 2 {
t.Fatalf("%d", env.Len())
}
}
func TestEnvLenDup(t *testing.T) {
env := &Env{
"foo=bar",
"foo=baz",
"a=b",
}
// len(env) != env.Len()
if env.Len() != 2 {
t.Fatalf("%d", env.Len())
}
}
func TestEnvGetDup(t *testing.T) {
env := &Env{
"foo=bar",
"foo=baz",
"foo=bif",
}
expected := "bif"
if v := env.Get("foo"); v != expected {
t.Fatalf("expect %q, got %q", expected, v)
}
}
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func TestNewJob(t *testing.T) {
job := mkJob(t, "dummy", "--level=awesome")
if job.Name != "dummy" {
t.Fatalf("Wrong job name: %s", job.Name)
}
if len(job.Args) != 1 {
t.Fatalf("Wrong number of job arguments: %d", len(job.Args))
}
if job.Args[0] != "--level=awesome" {
t.Fatalf("Wrong job arguments: %s", job.Args[0])
}
}
func TestSetenv(t *testing.T) {
job := mkJob(t, "dummy")
job.Setenv("foo", "bar")
if val := job.Getenv("foo"); val != "bar" {
t.Fatalf("Getenv returns incorrect value: %s", val)
}
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job.Setenv("bar", "")
if val := job.Getenv("bar"); val != "" {
t.Fatalf("Getenv returns incorrect value: %s", val)
}
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if val := job.Getenv("nonexistent"); val != "" {
t.Fatalf("Getenv returns incorrect value: %s", val)
}
}
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func TestSetenvBool(t *testing.T) {
job := mkJob(t, "dummy")
job.SetenvBool("foo", true)
if val := job.GetenvBool("foo"); !val {
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t.Fatalf("GetenvBool returns incorrect value: %t", val)
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}
job.SetenvBool("bar", false)
if val := job.GetenvBool("bar"); val {
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t.Fatalf("GetenvBool returns incorrect value: %t", val)
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}
if val := job.GetenvBool("nonexistent"); val {
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t.Fatalf("GetenvBool returns incorrect value: %t", val)
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}
}
func TestSetenvInt(t *testing.T) {
job := mkJob(t, "dummy")
job.SetenvInt("foo", -42)
if val := job.GetenvInt("foo"); val != -42 {
t.Fatalf("GetenvInt returns incorrect value: %d", val)
}
job.SetenvInt("bar", 42)
if val := job.GetenvInt("bar"); val != 42 {
t.Fatalf("GetenvInt returns incorrect value: %d", val)
}
if val := job.GetenvInt("nonexistent"); val != 0 {
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t.Fatalf("GetenvInt returns incorrect value: %d", val)
}
}
func TestSetenvList(t *testing.T) {
job := mkJob(t, "dummy")
job.SetenvList("foo", []string{"bar"})
if val := job.GetenvList("foo"); len(val) != 1 || val[0] != "bar" {
t.Fatalf("GetenvList returns incorrect value: %v", val)
}
job.SetenvList("bar", nil)
if val := job.GetenvList("bar"); val != nil {
t.Fatalf("GetenvList returns incorrect value: %v", val)
}
if val := job.GetenvList("nonexistent"); val != nil {
t.Fatalf("GetenvList returns incorrect value: %v", val)
}
}
func TestEnviron(t *testing.T) {
job := mkJob(t, "dummy")
job.Setenv("foo", "bar")
val, exists := job.Environ()["foo"]
if !exists {
t.Fatalf("foo not found in the environ")
}
if val != "bar" {
t.Fatalf("bar not found in the environ")
}
}
func TestMultiMap(t *testing.T) {
e := &Env{}
e.Set("foo", "bar")
e.Set("bar", "baz")
e.Set("hello", "world")
m := e.MultiMap()
e2 := &Env{}
e2.Set("old_key", "something something something")
e2.InitMultiMap(m)
if v := e2.Get("old_key"); v != "" {
t.Fatalf("%#v", v)
}
if v := e2.Get("bar"); v != "baz" {
t.Fatalf("%#v", v)
}
if v := e2.Get("hello"); v != "world" {
t.Fatalf("%#v", v)
}
}
func testMap(l int) [][2]string {
res := make([][2]string, l)
for i := 0; i < l; i++ {
t := [2]string{testutils.RandomString(5), testutils.RandomString(20)}
res[i] = t
}
return res
}
func BenchmarkSet(b *testing.B) {
fix := testMap(100)
b.ResetTimer()
for i := 0; i < b.N; i++ {
env := &Env{}
for _, kv := range fix {
env.Set(kv[0], kv[1])
}
}
}
func BenchmarkSetJson(b *testing.B) {
fix := testMap(100)
type X struct {
f string
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
env := &Env{}
for _, kv := range fix {
if err := env.SetJson(kv[0], X{kv[1]}); err != nil {
b.Fatal(err)
}
}
}
}
func BenchmarkGet(b *testing.B) {
fix := testMap(100)
env := &Env{}
for _, kv := range fix {
env.Set(kv[0], kv[1])
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
for _, kv := range fix {
env.Get(kv[0])
}
}
}
func BenchmarkGetJson(b *testing.B) {
fix := testMap(100)
env := &Env{}
type X struct {
f string
}
for _, kv := range fix {
env.SetJson(kv[0], X{kv[1]})
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
for _, kv := range fix {
if err := env.GetJson(kv[0], &X{}); err != nil {
b.Fatal(err)
}
}
}
}
func BenchmarkEncode(b *testing.B) {
fix := testMap(100)
env := &Env{}
type X struct {
f string
}
// half a json
for i, kv := range fix {
if i%2 != 0 {
if err := env.SetJson(kv[0], X{kv[1]}); err != nil {
b.Fatal(err)
}
continue
}
env.Set(kv[0], kv[1])
}
var writer bytes.Buffer
b.ResetTimer()
for i := 0; i < b.N; i++ {
env.Encode(&writer)
writer.Reset()
}
}
func BenchmarkDecode(b *testing.B) {
fix := testMap(100)
env := &Env{}
type X struct {
f string
}
// half a json
for i, kv := range fix {
if i%2 != 0 {
if err := env.SetJson(kv[0], X{kv[1]}); err != nil {
b.Fatal(err)
}
continue
}
env.Set(kv[0], kv[1])
}
var writer bytes.Buffer
env.Encode(&writer)
denv := &Env{}
reader := bytes.NewReader(writer.Bytes())
b.ResetTimer()
for i := 0; i < b.N; i++ {
err := denv.Decode(reader)
if err != nil {
b.Fatal(err)
}
reader.Seek(0, 0)
}
}
func TestLongNumbers(t *testing.T) {
type T struct {
TestNum int64
}
v := T{67108864}
var buf bytes.Buffer
e := &Env{}
e.SetJson("Test", v)
if err := e.Encode(&buf); err != nil {
t.Fatal(err)
}
res := make(map[string]T)
if err := json.Unmarshal(buf.Bytes(), &res); err != nil {
t.Fatal(err)
}
if res["Test"].TestNum != v.TestNum {
t.Fatalf("TestNum %d, expected %d", res["Test"].TestNum, v.TestNum)
}
}
func TestLongNumbersArray(t *testing.T) {
type T struct {
TestNum []int64
}
v := T{[]int64{67108864}}
var buf bytes.Buffer
e := &Env{}
e.SetJson("Test", v)
if err := e.Encode(&buf); err != nil {
t.Fatal(err)
}
res := make(map[string]T)
if err := json.Unmarshal(buf.Bytes(), &res); err != nil {
t.Fatal(err)
}
if res["Test"].TestNum[0] != v.TestNum[0] {
t.Fatalf("TestNum %d, expected %d", res["Test"].TestNum, v.TestNum)
}
}