mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
279 lines
7.8 KiB
Go
279 lines
7.8 KiB
Go
package jsonmessage // import "github.com/docker/docker/pkg/jsonmessage"
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import (
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"bytes"
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"fmt"
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"os"
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"strings"
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"testing"
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"time"
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"github.com/docker/docker/pkg/term"
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"github.com/stretchr/testify/assert"
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)
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func TestError(t *testing.T) {
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je := JSONError{404, "Not found"}
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if je.Error() != "Not found" {
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t.Fatalf("Expected 'Not found' got '%s'", je.Error())
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}
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}
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func TestProgress(t *testing.T) {
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termsz, err := term.GetWinsize(0)
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if err != nil {
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// we can safely ignore the err here
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termsz = nil
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}
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jp := JSONProgress{}
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if jp.String() != "" {
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t.Fatalf("Expected empty string, got '%s'", jp.String())
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}
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expected := " 1B"
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jp2 := JSONProgress{Current: 1}
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if jp2.String() != expected {
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t.Fatalf("Expected %q, got %q", expected, jp2.String())
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}
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expectedStart := "[==========> ] 20B/100B"
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if termsz != nil && termsz.Width <= 110 {
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expectedStart = " 20B/100B"
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}
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jp3 := JSONProgress{Current: 20, Total: 100, Start: time.Now().Unix()}
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// Just look at the start of the string
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// (the remaining time is really hard to test -_-)
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if jp3.String()[:len(expectedStart)] != expectedStart {
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t.Fatalf("Expected to start with %q, got %q", expectedStart, jp3.String())
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}
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expected = "[=========================> ] 50B/100B"
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if termsz != nil && termsz.Width <= 110 {
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expected = " 50B/100B"
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}
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jp4 := JSONProgress{Current: 50, Total: 100}
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if jp4.String() != expected {
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t.Fatalf("Expected %q, got %q", expected, jp4.String())
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}
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// this number can't be negative gh#7136
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expected = "[==================================================>] 50B"
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if termsz != nil && termsz.Width <= 110 {
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expected = " 50B"
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}
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jp5 := JSONProgress{Current: 50, Total: 40}
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if jp5.String() != expected {
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t.Fatalf("Expected %q, got %q", expected, jp5.String())
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}
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expected = "[=========================> ] 50/100 units"
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if termsz != nil && termsz.Width <= 110 {
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expected = " 50/100 units"
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}
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jp6 := JSONProgress{Current: 50, Total: 100, Units: "units"}
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if jp6.String() != expected {
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t.Fatalf("Expected %q, got %q", expected, jp6.String())
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}
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// this number can't be negative
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expected = "[==================================================>] 50 units"
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if termsz != nil && termsz.Width <= 110 {
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expected = " 50 units"
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}
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jp7 := JSONProgress{Current: 50, Total: 40, Units: "units"}
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if jp7.String() != expected {
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t.Fatalf("Expected %q, got %q", expected, jp7.String())
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}
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expected = "[=========================> ] "
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if termsz != nil && termsz.Width <= 110 {
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expected = ""
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}
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jp8 := JSONProgress{Current: 50, Total: 100, HideCounts: true}
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if jp8.String() != expected {
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t.Fatalf("Expected %q, got %q", expected, jp8.String())
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}
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}
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func TestJSONMessageDisplay(t *testing.T) {
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now := time.Now()
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messages := map[JSONMessage][]string{
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// Empty
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{}: {"\n", "\n"},
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// Status
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{
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Status: "status",
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}: {
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"status\n",
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"status\n",
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},
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// General
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{
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Time: now.Unix(),
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ID: "ID",
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From: "From",
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Status: "status",
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}: {
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fmt.Sprintf("%v ID: (from From) status\n", time.Unix(now.Unix(), 0).Format(RFC3339NanoFixed)),
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fmt.Sprintf("%v ID: (from From) status\n", time.Unix(now.Unix(), 0).Format(RFC3339NanoFixed)),
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},
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// General, with nano precision time
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{
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TimeNano: now.UnixNano(),
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ID: "ID",
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From: "From",
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Status: "status",
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}: {
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fmt.Sprintf("%v ID: (from From) status\n", time.Unix(0, now.UnixNano()).Format(RFC3339NanoFixed)),
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fmt.Sprintf("%v ID: (from From) status\n", time.Unix(0, now.UnixNano()).Format(RFC3339NanoFixed)),
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},
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// General, with both times Nano is preferred
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{
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Time: now.Unix(),
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TimeNano: now.UnixNano(),
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ID: "ID",
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From: "From",
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Status: "status",
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}: {
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fmt.Sprintf("%v ID: (from From) status\n", time.Unix(0, now.UnixNano()).Format(RFC3339NanoFixed)),
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fmt.Sprintf("%v ID: (from From) status\n", time.Unix(0, now.UnixNano()).Format(RFC3339NanoFixed)),
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},
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// Stream over status
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{
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Status: "status",
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Stream: "stream",
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}: {
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"stream",
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"stream",
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},
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// With progress message
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{
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Status: "status",
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ProgressMessage: "progressMessage",
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}: {
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"status progressMessage",
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"status progressMessage",
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},
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// With progress, stream empty
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{
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Status: "status",
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Stream: "",
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Progress: &JSONProgress{Current: 1},
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}: {
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"",
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fmt.Sprintf("%c[1K%c[K\rstatus 1B\r", 27, 27),
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},
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}
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// The tests :)
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for jsonMessage, expectedMessages := range messages {
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// Without terminal
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data := bytes.NewBuffer([]byte{})
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if err := jsonMessage.Display(data, nil); err != nil {
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t.Fatal(err)
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}
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if data.String() != expectedMessages[0] {
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t.Fatalf("Expected %q,got %q", expectedMessages[0], data.String())
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}
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// With terminal
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data = bytes.NewBuffer([]byte{})
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if err := jsonMessage.Display(data, &noTermInfo{}); err != nil {
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t.Fatal(err)
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}
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if data.String() != expectedMessages[1] {
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t.Fatalf("\nExpected %q\n got %q", expectedMessages[1], data.String())
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}
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}
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}
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// Test JSONMessage with an Error. It will return an error with the text as error, not the meaning of the HTTP code.
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func TestJSONMessageDisplayWithJSONError(t *testing.T) {
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data := bytes.NewBuffer([]byte{})
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jsonMessage := JSONMessage{Error: &JSONError{404, "Can't find it"}}
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err := jsonMessage.Display(data, &noTermInfo{})
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if err == nil || err.Error() != "Can't find it" {
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t.Fatalf("Expected a JSONError 404, got %q", err)
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}
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jsonMessage = JSONMessage{Error: &JSONError{401, "Anything"}}
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err = jsonMessage.Display(data, &noTermInfo{})
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assert.EqualError(t, err, "authentication is required")
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}
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func TestDisplayJSONMessagesStreamInvalidJSON(t *testing.T) {
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var (
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inFd uintptr
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)
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data := bytes.NewBuffer([]byte{})
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reader := strings.NewReader("This is not a 'valid' JSON []")
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inFd, _ = term.GetFdInfo(reader)
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if err := DisplayJSONMessagesStream(reader, data, inFd, false, nil); err == nil && err.Error()[:17] != "invalid character" {
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t.Fatalf("Should have thrown an error (invalid character in ..), got %q", err)
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}
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}
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func TestDisplayJSONMessagesStream(t *testing.T) {
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var (
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inFd uintptr
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)
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messages := map[string][]string{
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// empty string
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"": {
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"",
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""},
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// Without progress & ID
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"{ \"status\": \"status\" }": {
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"status\n",
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"status\n",
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},
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// Without progress, with ID
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"{ \"id\": \"ID\",\"status\": \"status\" }": {
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"ID: status\n",
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fmt.Sprintf("ID: status\n"),
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},
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// With progress
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"{ \"id\": \"ID\", \"status\": \"status\", \"progress\": \"ProgressMessage\" }": {
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"ID: status ProgressMessage",
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fmt.Sprintf("\n%c[%dAID: status ProgressMessage%c[%dB", 27, 1, 27, 1),
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},
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// With progressDetail
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"{ \"id\": \"ID\", \"status\": \"status\", \"progressDetail\": { \"Current\": 1} }": {
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"", // progressbar is disabled in non-terminal
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fmt.Sprintf("\n%c[%dA%c[1K%c[K\rID: status 1B\r%c[%dB", 27, 1, 27, 27, 27, 1),
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},
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}
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// Use $TERM which is unlikely to exist, forcing DisplayJSONMessageStream to
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// (hopefully) use &noTermInfo.
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origTerm := os.Getenv("TERM")
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os.Setenv("TERM", "xyzzy-non-existent-terminfo")
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for jsonMessage, expectedMessages := range messages {
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data := bytes.NewBuffer([]byte{})
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reader := strings.NewReader(jsonMessage)
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inFd, _ = term.GetFdInfo(reader)
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// Without terminal
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if err := DisplayJSONMessagesStream(reader, data, inFd, false, nil); err != nil {
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t.Fatal(err)
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}
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if data.String() != expectedMessages[0] {
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t.Fatalf("Expected an %q, got %q", expectedMessages[0], data.String())
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}
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// With terminal
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data = bytes.NewBuffer([]byte{})
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reader = strings.NewReader(jsonMessage)
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if err := DisplayJSONMessagesStream(reader, data, inFd, true, nil); err != nil {
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t.Fatal(err)
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}
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if data.String() != expectedMessages[1] {
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t.Fatalf("\nExpected %q\n got %q", expectedMessages[1], data.String())
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}
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}
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os.Setenv("TERM", origTerm)
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}
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