func (*APIOpenerSuite) TestTimoutClosesAPIOnTimeout(c *gc.C) {
var name string
finished := make(chan struct{})
mockConn := &mockConnection{closed: make(chan struct{})}
open := func(connectionName string) (api.Connection, error) {
<-finished
name = connectionName
return mockConn, nil
}
// have the mock clock only wait a microsecond
clock := &mockClock{wait: time.Microsecond}
// but tell it to wait five seconds
opener := envcmd.NewTimeoutOpener(open, clock, 5*time.Second)
conn, err := opener.Open("a-name")
c.Assert(errors.Cause(err), gc.Equals, envcmd.ErrConnTimedOut)
c.Assert(conn, gc.IsNil)
// check it was told to wait for 5 seconds
c.Assert(clock.duration, gc.Equals, 5*time.Second)
// tell the open func to continue now we have timed out
close(finished)
// wait until the connection has been closed
select {
case <-mockConn.closed:
// continue
case <-time.After(5 * time.Second):
c.Error("API connection was not closed.")
}
c.Assert(name, gc.Equals, "a-name")
}
// wrapKillCommand provides the common wrapping used by tests and
// the default NewKillCommand above.
func wrapKillCommand(kill *killCommand, fn func(string) (api.Connection, error), clock clock.Clock) cmd.Command {
if fn == nil {
fn = kill.JujuCommandBase.NewAPIRoot
}
openStrategy := envcmd.NewTimeoutOpener(fn, clock, 10*time.Second)
return envcmd.Wrap(
kill,
envcmd.EnvSkipFlags,
envcmd.EnvSkipDefault,
envcmd.EnvAPIOpener(openStrategy),
)
}
func (*APIOpenerSuite) TestTimoutErrors(c *gc.C) {
var name string
open := func(connectionName string) (api.Connection, error) {
name = connectionName
return nil, errors.New("boom")
}
opener := envcmd.NewTimeoutOpener(open, clock.WallClock, 10*time.Second)
conn, err := opener.Open("a-name")
c.Assert(err, gc.ErrorMatches, "boom")
c.Assert(conn, gc.IsNil)
c.Assert(name, gc.Equals, "a-name")
}
func (*APIOpenerSuite) TestTimoutSuccess(c *gc.C) {
var name string
open := func(connectionName string) (api.Connection, error) {
name = connectionName
return &mockConnection{}, nil
}
opener := envcmd.NewTimeoutOpener(open, clock.WallClock, 10*time.Second)
conn, err := opener.Open("a-name")
c.Assert(err, jc.ErrorIsNil)
c.Assert(conn, gc.NotNil)
c.Assert(name, gc.Equals, "a-name")
}