298 lines
7.8 KiB
Go
298 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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"gotest.tools/assert"
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is "gotest.tools/assert/cmp"
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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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assert.Assert(t, is.Error(&je, "Not found"))
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}
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func TestProgressString(t *testing.T) {
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type expected struct {
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short string
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long string
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}
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shortAndLong := func(short, long string) expected {
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return expected{short: short, long: long}
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}
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start := time.Date(2017, 12, 3, 15, 10, 1, 0, time.UTC)
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timeAfter := func(delta time.Duration) func() time.Time {
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return func() time.Time {
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return start.Add(delta)
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}
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}
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var testcases = []struct {
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name string
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progress JSONProgress
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expected expected
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}{
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{
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name: "no progress",
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},
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{
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name: "progress 1",
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progress: JSONProgress{Current: 1},
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expected: shortAndLong(" 1B", " 1B"),
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},
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{
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name: "some progress with a start time",
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progress: JSONProgress{
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Current: 20,
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Total: 100,
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Start: start.Unix(),
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nowFunc: timeAfter(time.Second),
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},
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expected: shortAndLong(
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" 20B/100B 4s",
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"[==========> ] 20B/100B 4s",
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),
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},
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{
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name: "some progress without a start time",
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progress: JSONProgress{Current: 50, Total: 100},
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expected: shortAndLong(
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" 50B/100B",
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"[=========================> ] 50B/100B",
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),
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},
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{
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name: "current more than total is not negative gh#7136",
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progress: JSONProgress{Current: 50, Total: 40},
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expected: shortAndLong(
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" 50B",
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"[==================================================>] 50B",
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),
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},
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{
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name: "with units",
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progress: JSONProgress{Current: 50, Total: 100, Units: "units"},
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expected: shortAndLong(
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"50/100 units",
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"[=========================> ] 50/100 units",
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),
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},
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{
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name: "current more than total with units is not negative ",
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progress: JSONProgress{Current: 50, Total: 40, Units: "units"},
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expected: shortAndLong(
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"50 units",
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"[==================================================>] 50 units",
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),
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},
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{
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name: "hide counts",
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progress: JSONProgress{Current: 50, Total: 100, HideCounts: true},
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expected: shortAndLong(
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"",
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"[=========================> ] ",
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),
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},
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}
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for _, testcase := range testcases {
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t.Run(testcase.name, func(t *testing.T) {
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testcase.progress.winSize = 100
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assert.Equal(t, testcase.progress.String(), testcase.expected.short)
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testcase.progress.winSize = 200
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assert.Equal(t, testcase.progress.String(), testcase.expected.long)
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})
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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.Check(t, is.Error(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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