func (s *S) TestHandleMessageErrors(c *gocheck.C) {
var data = []struct {
action string
args []string
unitName string
expectedLog string
}{
{
action: "unknown-action",
args: []string{"does not matter"},
expectedLog: `Error handling "unknown-action": invalid action.`,
},
{
action: startApp,
args: []string{"nemesis"},
expectedLog: `Error handling "start-app" for the app "nemesis":` +
` all units must be started.`,
},
{
action: startApp,
args: []string{"totem", "totem/0", "totem/1"},
expectedLog: `Error handling "start-app" for the app "totem":` +
` all units must be started.`,
},
{
action: regenerateApprc,
args: []string{"nemesis"},
expectedLog: `Error handling "regenerate-apprc" for the app "nemesis":` +
` all units must be started.`,
},
{
action: regenerateApprc,
args: []string{"totem", "totem/0", "totem/1"},
expectedLog: `Error handling "regenerate-apprc" for the app "totem":` +
` all units must be started.`,
},
{
action: regenerateApprc,
args: []string{"unknown-app"},
expectedLog: `Error handling "regenerate-apprc": app "unknown-app" does not exist.`,
},
{
action: regenerateApprc,
expectedLog: `Error handling "regenerate-apprc": this action requires at least 1 argument.`,
},
{
action: regenerateApprc,
args: []string{"marathon", "marathon/0"},
expectedLog: `Error handling "regenerate-apprc" for the app "marathon":` +
` units are in "error" state.`,
},
{
action: regenerateApprc,
args: []string{"territories", "territories/0"},
expectedLog: `Error handling "regenerate-apprc" for the app "territories":` +
` units are in "down" state.`,
},
}
a := App{Name: "nemesis"}
err := s.conn.Apps().Insert(a)
c.Assert(err, gocheck.IsNil)
defer s.conn.Apps().Remove(bson.M{"name": a.Name})
a = App{
Name: "totem",
Units: []Unit{
{Name: "totem/0", State: "pending"},
{Name: "totem/1", State: "started"},
},
}
err = s.conn.Apps().Insert(a)
c.Assert(err, gocheck.IsNil)
defer s.conn.Apps().Remove(bson.M{"name": a.Name})
a = App{Name: "marathon", Units: []Unit{{Name: "marathon/0", State: "error"}}}
err = s.conn.Apps().Insert(a)
c.Assert(err, gocheck.IsNil)
defer s.conn.Apps().Remove(bson.M{"name": a.Name})
a = App{Name: "territories", Units: []Unit{{Name: "territories/0", State: "down"}}}
err = s.conn.Apps().Insert(a)
c.Assert(err, gocheck.IsNil)
defer s.conn.Apps().Remove(bson.M{"name": a.Name})
logger := testing.NewFakeLogger().(*testing.FakeLogger)
for _, d := range data {
message := queue.Message{Action: d.action}
if len(d.args) > 0 {
message.Args = d.args
}
handle(&message)
}
content := logger.Buf.String()
lines := strings.Split(content, "\n")
for i, d := range data {
if lines[i] != d.expectedLog {
c.Errorf("\nWant: %q.\nGot:\n%s", d.expectedLog, content)
}
}
}
func (s *S) TestHandleMessageErrors(c *C) {
var data = []struct {
action string
args []string
unitName string
expectedLog string
visits int
}{
{
action: "unknown-action",
args: []string{"does not matter"},
expectedLog: `Error handling "unknown-action": invalid action.`,
},
{
action: app.StartApp,
args: []string{"nemesis"},
expectedLog: `Error handling "start-app" for the app "nemesis":` +
` The status of the app and all units should be "started" (the app is "pending").`,
},
{
action: app.StartApp,
args: []string{"totem", "totem/0", "totem/1"},
expectedLog: `Error handling "start-app" for the app "totem":` +
` The status of the app and all units should be "started" (the app is "started").`,
},
{
action: app.RegenerateApprc,
args: []string{"nemesis"},
expectedLog: `Error handling "regenerate-apprc" for the app "nemesis":` +
` The status of the app and all units should be "started" (the app is "pending").`,
},
{
action: app.RegenerateApprc,
args: []string{"totem", "totem/0", "totem/1"},
expectedLog: `Error handling "regenerate-apprc" for the app "totem":` +
` The status of the app and all units should be "started" (the app is "started").`,
},
{
action: app.RegenerateApprc,
args: []string{"unknown-app"},
expectedLog: `Error handling "regenerate-apprc": app "unknown-app" does not exist.`,
},
{
action: app.RegenerateApprc,
expectedLog: `Error handling "regenerate-apprc": this action requires at least 1 argument.`,
},
{
action: "does not matter",
args: []string{"does not matter"},
expectedLog: `Error handling "does not matter": this message has been visited more than 50 times.`,
visits: MaxVisits,
},
{
action: app.RegenerateApprc,
args: []string{"marathon"},
expectedLog: `Error handling "regenerate-apprc" for the app "marathon":` +
` the app is in "error" state.`,
},
{
action: app.RegenerateApprc,
args: []string{"territories"},
expectedLog: `Error handling "regenerate-apprc" for the app "territories":` +
` the app is down.`,
},
}
var buf bytes.Buffer
a := app.App{Name: "nemesis", State: "pending"}
err := db.Session.Apps().Insert(a)
c.Assert(err, IsNil)
defer db.Session.Apps().Remove(bson.M{"name": a.Name})
a = app.App{
Name: "totem",
State: "started",
Units: []app.Unit{
{Name: "totem/0", State: "pending"},
{Name: "totem/1", State: "started"},
},
}
err = db.Session.Apps().Insert(a)
c.Assert(err, IsNil)
defer db.Session.Apps().Remove(bson.M{"name": a.Name})
a = app.App{Name: "marathon", State: "error"}
err = db.Session.Apps().Insert(a)
c.Assert(err, IsNil)
defer db.Session.Apps().Remove(bson.M{"name": a.Name})
a = app.App{Name: "territories", State: "down"}
err = db.Session.Apps().Insert(a)
c.Assert(err, IsNil)
defer db.Session.Apps().Remove(bson.M{"name": a.Name})
log.SetLogger(stdlog.New(&buf, "", 0))
handler := MessageHandler{}
handler.start()
handler.closed = 1
defer handler.stop()
for _, d := range data {
message := queue.Message{
Action: d.action,
Visits: d.visits,
}
if len(d.args) > 0 {
message.Args = d.args
}
handler.handle(message)
}
content := buf.String()
lines := strings.Split(content, "\n")
for i, d := range data {
var found bool
for j := i; j < len(lines); j++ {
if lines[j] == d.expectedLog {
found = true
break
}
}
if !found {
c.Errorf("\nWant: %q.\nGot:\n%s", d.expectedLog, content)
}
}
}