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Add test coverage to pkg/jsonmessage

Signed-off-by: Vincent Demeester <vincent@sbr.pm>
This commit is contained in:
Vincent Demeester 2015-06-02 14:29:31 +02:00
parent 4caa9392f8
commit e6bd8c1e19

View file

@ -1,7 +1,14 @@
package jsonmessage
import (
"bytes"
"fmt"
"testing"
"time"
"github.com/docker/docker/pkg/term"
"github.com/docker/docker/pkg/timeutils"
"strings"
)
func TestError(t *testing.T) {
@ -23,16 +30,181 @@ func TestProgress(t *testing.T) {
t.Fatalf("Expected %q, got %q", expected, jp2.String())
}
expected = "[=========================> ] 50 B/100 B"
jp3 := JSONProgress{Current: 50, Total: 100}
if jp3.String() != expected {
t.Fatalf("Expected %q, got %q", expected, jp3.String())
expectedStart := "[==========> ] 20 B/100 B"
jp3 := JSONProgress{Current: 20, Total: 100, Start: time.Now().Unix()}
// Just look at the start of the string
// (the remaining time is really hard to test -_-)
if jp3.String()[:len(expectedStart)] != expectedStart {
t.Fatalf("Expected to start with %q, got %q", expectedStart, jp3.String())
}
// this number can't be negetive gh#7136
expected = "[==================================================>] 50 B/40 B"
jp4 := JSONProgress{Current: 50, Total: 40}
expected = "[=========================> ] 50 B/100 B"
jp4 := JSONProgress{Current: 50, Total: 100}
if jp4.String() != expected {
t.Fatalf("Expected %q, got %q", expected, jp4.String())
}
// this number can't be negative gh#7136
expected = "[==================================================>] 50 B/40 B"
jp5 := JSONProgress{Current: 50, Total: 40}
if jp5.String() != expected {
t.Fatalf("Expected %q, got %q", expected, jp5.String())
}
}
func TestJSONMessageDisplay(t *testing.T) {
now := time.Now().Unix()
messages := map[JSONMessage][]string{
// Empty
JSONMessage{}: {"\n", "\n"},
// Status
JSONMessage{
Status: "status",
}: {
"status\n",
"status\n",
},
// General
JSONMessage{
Time: now,
ID: "ID",
From: "From",
Status: "status",
}: {
fmt.Sprintf("%v ID: (from From) status\n", time.Unix(now, 0).Format(timeutils.RFC3339NanoFixed)),
fmt.Sprintf("%v ID: (from From) status\n", time.Unix(now, 0).Format(timeutils.RFC3339NanoFixed)),
},
// Stream over status
JSONMessage{
Status: "status",
Stream: "stream",
}: {
"stream",
"stream",
},
// With progress message
JSONMessage{
Status: "status",
ProgressMessage: "progressMessage",
}: {
"status progressMessage",
"status progressMessage",
},
// With progress, stream empty
JSONMessage{
Status: "status",
Stream: "",
Progress: &JSONProgress{Current: 1},
}: {
"",
fmt.Sprintf("%c[2K\rstatus 1 B\r", 27),
},
}
// The tests :)
for jsonMessage, expectedMessages := range messages {
// Without terminal
data := bytes.NewBuffer([]byte{})
if err := jsonMessage.Display(data, false); err != nil {
t.Fatal(err)
}
if data.String() != expectedMessages[0] {
t.Fatalf("Expected [%v], got [%v]", expectedMessages[0], data.String())
}
// With terminal
data = bytes.NewBuffer([]byte{})
if err := jsonMessage.Display(data, true); err != nil {
t.Fatal(err)
}
if data.String() != expectedMessages[1] {
t.Fatalf("Expected [%v], got [%v]", expectedMessages[1], data.String())
}
}
}
// Test JSONMessage with an Error. It will return an error with the text as error, not the meaning of the HTTP code.
func TestJSONMessageDisplayWithJSONError(t *testing.T) {
data := bytes.NewBuffer([]byte{})
jsonMessage := JSONMessage{Error: &JSONError{404, "Can't find it"}}
err := jsonMessage.Display(data, true)
if err == nil || err.Error() != "Can't find it" {
t.Fatalf("Expected a JSONError 404, got [%v]", err)
}
jsonMessage = JSONMessage{Error: &JSONError{401, "Anything"}}
err = jsonMessage.Display(data, true)
if err == nil || err.Error() != "Authentication is required." {
t.Fatalf("Expected an error [Authentication is required.], got [%v]", err)
}
}
func TestDisplayJSONMessagesStreamInvalidJSON(t *testing.T) {
var (
inFd uintptr
)
data := bytes.NewBuffer([]byte{})
reader := strings.NewReader("This is not a 'valid' JSON []")
inFd, _ = term.GetFdInfo(reader)
if err := DisplayJSONMessagesStream(reader, data, inFd, false); err == nil && err.Error()[:17] != "invalid character" {
t.Fatalf("Should have thrown an error (invalid character in ..), got [%v]", err)
}
}
func TestDisplayJSONMessagesStream(t *testing.T) {
var (
inFd uintptr
)
messages := map[string][]string{
// empty string
"": {
"",
""},
// Without progress & ID
"{ \"status\": \"status\" }": {
"status\n",
"status\n",
},
// Without progress, with ID
"{ \"id\": \"ID\",\"status\": \"status\" }": {
"ID: status\n",
fmt.Sprintf("ID: status\n%c[%dB", 27, 0),
},
// With progress
"{ \"id\": \"ID\", \"status\": \"status\", \"progress\": \"ProgressMessage\" }": {
"ID: status ProgressMessage",
fmt.Sprintf("\n%c[%dAID: status ProgressMessage%c[%dB", 27, 0, 27, 0),
},
// With progressDetail
"{ \"id\": \"ID\", \"status\": \"status\", \"progressDetail\": { \"Current\": 1} }": {
"", // progressbar is disabled in non-terminal
fmt.Sprintf("\n%c[%dA%c[2K\rID: status 1 B\r%c[%dB", 27, 0, 27, 27, 0),
},
}
for jsonMessage, expectedMessages := range messages {
data := bytes.NewBuffer([]byte{})
reader := strings.NewReader(jsonMessage)
inFd, _ = term.GetFdInfo(reader)
// Without terminal
if err := DisplayJSONMessagesStream(reader, data, inFd, false); err != nil {
t.Fatal(err)
}
if data.String() != expectedMessages[0] {
t.Fatalf("Expected an [%v], got [%v]", expectedMessages[0], data.String())
}
// With terminal
data = bytes.NewBuffer([]byte{})
reader = strings.NewReader(jsonMessage)
if err := DisplayJSONMessagesStream(reader, data, inFd, true); err != nil {
t.Fatal(err)
}
if data.String() != expectedMessages[1] {
t.Fatalf("Expected an [%v], got [%v]", expectedMessages[1], data.String())
}
}
}