Example #1
0
func (s *ContextRelationSuite) TestMemberCaching(c *gc.C) {
	unit, err := s.svc.AddUnit()
	c.Assert(err, jc.ErrorIsNil)
	ru, err := s.rel.Unit(unit)
	c.Assert(err, jc.ErrorIsNil)
	err = ru.EnterScope(map[string]interface{}{"blib": "blob"})
	c.Assert(err, jc.ErrorIsNil)
	settings, err := ru.Settings()
	c.Assert(err, jc.ErrorIsNil)
	settings.Set("ping", "pong")
	_, err = settings.Write()
	c.Assert(err, jc.ErrorIsNil)

	cache := context.NewRelationCache(s.apiRelUnit.ReadSettings, []string{"u/1"})
	ctx := context.NewContextRelation(s.apiRelUnit, cache)

	// Check that uncached settings are read from state.
	m, err := ctx.ReadSettings("u/1")
	c.Assert(err, jc.ErrorIsNil)
	expectMap := settings.Map()
	expectSettings := convertMap(expectMap)
	c.Assert(m, gc.DeepEquals, expectSettings)

	// Check that changes to state do not affect the cached settings.
	settings.Set("ping", "pow")
	_, err = settings.Write()
	c.Assert(err, jc.ErrorIsNil)
	m, err = ctx.ReadSettings("u/1")
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(m, gc.DeepEquals, expectSettings)
}
Example #2
0
func (s *HookContextSuite) getHookContext(c *gc.C, uuid string, relid int,
	remote string, proxies proxy.Settings) *context.HookContext {
	if relid != -1 {
		_, found := s.apiRelunits[relid]
		c.Assert(found, jc.IsTrue)
	}
	facade, err := s.st.Uniter()
	c.Assert(err, jc.ErrorIsNil)

	relctxs := map[int]*context.ContextRelation{}
	for relId, relUnit := range s.apiRelunits {
		cache := context.NewRelationCache(relUnit.ReadSettings, nil)
		relctxs[relId] = context.NewContextRelation(relUnit, cache)
	}

	env, err := s.State.Environment()
	c.Assert(err, jc.ErrorIsNil)

	context, err := context.NewHookContext(s.apiUnit, facade, "TestCtx", uuid,
		env.Name(), relid, remote, relctxs, apiAddrs,
		proxies, false, nil, nil, s.machine.Tag().(names.MachineTag),
		runnertesting.NewRealPaths(c))
	c.Assert(err, jc.ErrorIsNil)
	return context
}
Example #3
0
func (s *HookContextSuite) getMeteredHookContext(c *gc.C, uuid string, relid int,
	remote string, proxies proxy.Settings, canAddMetrics bool, metrics *charm.Metrics, paths runnertesting.RealPaths) *context.HookContext {
	if relid != -1 {
		_, found := s.apiRelunits[relid]
		c.Assert(found, jc.IsTrue)
	}
	facade, err := s.st.Uniter()
	c.Assert(err, jc.ErrorIsNil)

	relctxs := map[int]*context.ContextRelation{}
	for relId, relUnit := range s.apiRelunits {
		cache := context.NewRelationCache(relUnit.ReadSettings, nil)
		relctxs[relId] = context.NewContextRelation(relUnit, cache)
	}

	context, err := context.NewHookContext(s.meteredApiUnit, facade, "TestCtx", uuid,
		"test-env-name", relid, remote, relctxs, apiAddrs,
		proxies, canAddMetrics, metrics, nil, s.machine.Tag().(names.MachineTag),
		paths)
	c.Assert(err, jc.ErrorIsNil)
	return context
}
Example #4
0
func (s *ContextRelationSuite) TestLocalSettings(c *gc.C) {
	ctx := context.NewContextRelation(s.apiRelUnit, nil)

	// Change Settings...
	node, err := ctx.Settings()
	c.Assert(err, jc.ErrorIsNil)
	expectSettings := node.Map()
	expectOldMap := convertSettings(expectSettings)
	node.Set("change", "exciting")

	// ...and check it's not written to state.
	settings, err := s.ru.ReadSettings("u/0")
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(settings, gc.DeepEquals, expectOldMap)

	// Write settings...
	err = ctx.WriteSettings()
	c.Assert(err, jc.ErrorIsNil)

	// ...and check it was written to state.
	settings, err = s.ru.ReadSettings("u/0")
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(settings, gc.DeepEquals, map[string]interface{}{"change": "exciting"})
}