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/*
Copyright 2013-2014 Canonical Ltd.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License version 3, as published
by the Free Software Foundation.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranties of
MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package testing
import (
. "launchpad.net/gocheck"
"launchpad.net/ubuntu-push/testing/condition"
"testing"
)
// hook up gocheck
func Test(t *testing.T) { TestingT(t) }
type TestingEndpointSuite struct{}
var _ = Suite(&TestingEndpointSuite{})
// Test that Call() with a positive condition returns the first return value
// provided, as advertised.
func (s *TestingEndpointSuite) TestCallReturnsFirstRetval(c *C) {
var m, n uint32 = 42, 17
endp := NewTestingEndpoint(condition.Work(true), m, n)
v, e := endp.Call("what")
c.Check(e, IsNil)
c.Check(v, Equals, m)
}
// Test the same Call() but with multi-valued endpoint
func (s *TestingEndpointSuite) TestMultiValuedCall(c *C) {
var m, n uint32 = 42, 17
endp := NewMultiValuedTestingEndpoint(condition.Work(true), []interface{}{m}, []interface{}{n})
v, e := endp.Call("what")
c.Check(e, IsNil)
c.Check(v, Equals, m)
}
// Test that Call() with a negative condition returns an error.
func (s *TestingEndpointSuite) TestCallFails(c *C) {
endp := NewTestingEndpoint(condition.Work(false))
_, e := endp.Call("what")
c.Check(e, NotNil)
}
// Test that Call() with a positive condition and no return values panics with
// a helpful message.
func (s *TestingEndpointSuite) TestCallPanicsWithNiceMessage(c *C) {
endp := NewTestingEndpoint(condition.Work(true))
c.Check(func() { endp.Call("") }, PanicMatches, "No return values provided.*")
}
// Test that Call() with a positive condition and an empty return value panics
// with a helpful message.
func (s *TestingEndpointSuite) TestCallPanicsWithNiceMessage2(c *C) {
endp := NewMultiValuedTestingEndpoint(condition.Work(true), []interface{}{})
c.Check(func() { endp.Call("") }, PanicMatches, "Wrong number of values provided.*")
}
// Test Call() with positive condition and the wrong number of arguments also
// fails with a helpful message
func (s *TestingEndpointSuite) TestMultiValuedCallPanicsWhenWrongNumberOfValues(c *C) {
var m, n uint32 = 42, 17
endp := NewMultiValuedTestingEndpoint(condition.Work(true), []interface{}{m, n})
c.Check(func() { endp.Call("") }, PanicMatches, "Wrong number of values provided.*")
}
// Test that WatchSignal() with a positive condition sends the provided return
// values over the channel.
func (s *TestingEndpointSuite) TestWatch(c *C) {
var m, n uint32 = 42, 17
endp := NewTestingEndpoint(condition.Work(true), m, n)
ch := make(chan uint32)
e := endp.WatchSignal("what", func(us ...interface{}) { ch <- us[0].(uint32) }, func() { close(ch) })
c.Check(e, IsNil)
c.Check(<-ch, Equals, m)
c.Check(<-ch, Equals, n)
}
// Test that WatchSignal() calls the destructor callback when it runs out values
func (s *TestingEndpointSuite) TestWatchDestructor(c *C) {
endp := NewTestingEndpoint(condition.Work(true))
ch := make(chan uint32)
e := endp.WatchSignal("what", func(us ...interface{}) {}, func() { close(ch) })
c.Check(e, IsNil)
_, ok := <-ch
c.Check(ok, Equals, false)
}
// Test the endpoint can be closed
func (s *TestingEndpointSuite) TestCloser(c *C) {
endp := NewTestingEndpoint(condition.Work(true))
endp.Close()
// ... yay?
}
// Test that WatchSignal() with a negative condition returns an error.
func (s *TestingEndpointSuite) TestWatchFails(c *C) {
endp := NewTestingEndpoint(condition.Work(false))
e := endp.WatchSignal("what", func(us ...interface{}) {}, func() {})
c.Check(e, NotNil)
}
// Tests that GetProperty() works
func (s *TestingEndpointSuite) TestGetProperty(c *C) {
var m uint32 = 42
endp := NewTestingEndpoint(condition.Work(true), m)
v, e := endp.GetProperty("what")
c.Check(e, IsNil)
c.Check(v, Equals, m)
}
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