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moby--moby/runconfig/config_test.go

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package runconfig
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"testing"
)
func TestEntrypointMarshalJSON(t *testing.T) {
entrypoints := map[*Entrypoint]string{
nil: "",
&Entrypoint{}: "null",
&Entrypoint{[]string{"/bin/sh", "-c", "echo"}}: `["/bin/sh","-c","echo"]`,
}
for entrypoint, expected := range entrypoints {
data, err := entrypoint.MarshalJSON()
if err != nil {
t.Fatal(err)
}
if string(data) != expected {
t.Fatalf("Expected %v, got %v", expected, string(data))
}
}
}
func TestEntrypointUnmarshalJSON(t *testing.T) {
parts := map[string][]string{
"": {"default", "values"},
"[]": {},
`["/bin/sh","-c","echo"]`: {"/bin/sh", "-c", "echo"},
}
for json, expectedParts := range parts {
entrypoint := &Entrypoint{
[]string{"default", "values"},
}
if err := entrypoint.UnmarshalJSON([]byte(json)); err != nil {
t.Fatal(err)
}
actualParts := entrypoint.Slice()
if len(actualParts) != len(expectedParts) {
t.Fatalf("Expected %v parts, got %v (%v)", len(expectedParts), len(actualParts), expectedParts)
}
for index, part := range actualParts {
if part != expectedParts[index] {
t.Fatalf("Expected %v, got %v", expectedParts, actualParts)
break
}
}
}
}
func TestCommandToString(t *testing.T) {
commands := map[*Command]string{
&Command{[]string{""}}: "",
&Command{[]string{"one"}}: "one",
&Command{[]string{"one", "two"}}: "one two",
}
for command, expected := range commands {
toString := command.ToString()
if toString != expected {
t.Fatalf("Expected %v, got %v", expected, toString)
}
}
}
func TestCommandMarshalJSON(t *testing.T) {
commands := map[*Command]string{
nil: "",
&Command{}: "null",
&Command{[]string{"/bin/sh", "-c", "echo"}}: `["/bin/sh","-c","echo"]`,
}
for command, expected := range commands {
data, err := command.MarshalJSON()
if err != nil {
t.Fatal(err)
}
if string(data) != expected {
t.Fatalf("Expected %v, got %v", expected, string(data))
}
}
}
func TestCommandUnmarshalJSON(t *testing.T) {
parts := map[string][]string{
"": {"default", "values"},
"[]": {},
`["/bin/sh","-c","echo"]`: {"/bin/sh", "-c", "echo"},
}
for json, expectedParts := range parts {
command := &Command{
[]string{"default", "values"},
}
if err := command.UnmarshalJSON([]byte(json)); err != nil {
t.Fatal(err)
}
actualParts := command.Slice()
if len(actualParts) != len(expectedParts) {
t.Fatalf("Expected %v parts, got %v (%v)", len(expectedParts), len(actualParts), expectedParts)
}
for index, part := range actualParts {
if part != expectedParts[index] {
t.Fatalf("Expected %v, got %v", expectedParts, actualParts)
break
}
}
}
}
func TestDecodeContainerConfig(t *testing.T) {
fixtures := []struct {
file string
entrypoint *Entrypoint
}{
{"fixtures/container_config_1_14.json", NewEntrypoint()},
{"fixtures/container_config_1_17.json", NewEntrypoint("bash")},
{"fixtures/container_config_1_19.json", NewEntrypoint("bash")},
}
for _, f := range fixtures {
b, err := ioutil.ReadFile(f.file)
if err != nil {
t.Fatal(err)
}
c, h, err := DecodeContainerConfig(bytes.NewReader(b))
if err != nil {
t.Fatal(fmt.Errorf("Error parsing %s: %v", f, err))
}
if c.Image != "ubuntu" {
t.Fatalf("Expected ubuntu image, found %s\n", c.Image)
}
if c.Entrypoint.Len() != f.entrypoint.Len() {
t.Fatalf("Expected %v, found %v\n", f.entrypoint, c.Entrypoint)
}
if h.Memory != 1000 {
t.Fatalf("Expected memory to be 1000, found %d\n", h.Memory)
}
}
}
func TestEntrypointUnmarshalString(t *testing.T) {
var e *Entrypoint
echo, err := json.Marshal("echo")
if err != nil {
t.Fatal(err)
}
if err := json.Unmarshal(echo, &e); err != nil {
t.Fatal(err)
}
slice := e.Slice()
if len(slice) != 1 {
t.Fatalf("expected 1 element after unmarshal: %q", slice)
}
if slice[0] != "echo" {
t.Fatalf("expected `echo`, got: %q", slice[0])
}
}
func TestEntrypointUnmarshalSlice(t *testing.T) {
var e *Entrypoint
echo, err := json.Marshal([]string{"echo"})
if err != nil {
t.Fatal(err)
}
if err := json.Unmarshal(echo, &e); err != nil {
t.Fatal(err)
}
slice := e.Slice()
if len(slice) != 1 {
t.Fatalf("expected 1 element after unmarshal: %q", slice)
}
if slice[0] != "echo" {
t.Fatalf("expected `echo`, got: %q", slice[0])
}
}
func TestCommandUnmarshalSlice(t *testing.T) {
var e *Command
echo, err := json.Marshal([]string{"echo"})
if err != nil {
t.Fatal(err)
}
if err := json.Unmarshal(echo, &e); err != nil {
t.Fatal(err)
}
slice := e.Slice()
if len(slice) != 1 {
t.Fatalf("expected 1 element after unmarshal: %q", slice)
}
if slice[0] != "echo" {
t.Fatalf("expected `echo`, got: %q", slice[0])
}
}
func TestCommandUnmarshalString(t *testing.T) {
var e *Command
echo, err := json.Marshal("echo")
if err != nil {
t.Fatal(err)
}
if err := json.Unmarshal(echo, &e); err != nil {
t.Fatal(err)
}
slice := e.Slice()
if len(slice) != 1 {
t.Fatalf("expected 1 element after unmarshal: %q", slice)
}
if slice[0] != "echo" {
t.Fatalf("expected `echo`, got: %q", slice[0])
}
}