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// Copyright 2015 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package sender_test
import (
"net/url"
"os"
"path/filepath"
"github.com/juju/testing"
jc "github.com/juju/testing/checkers"
gc "gopkg.in/check.v1"
"gopkg.in/juju/names.v2"
"github.com/juju/httprequest"
"github.com/juju/juju/agent"
"github.com/juju/juju/api/base"
"github.com/juju/juju/api/metricsadder"
"github.com/juju/juju/worker"
"github.com/juju/juju/worker/dependency"
dt "github.com/juju/juju/worker/dependency/testing"
"github.com/juju/juju/worker/metrics/sender"
"github.com/juju/juju/worker/metrics/spool"
)
type ManifoldSuite struct {
testing.IsolationSuite
factory spool.MetricFactory
client metricsadder.MetricsAdderClient
manifold dependency.Manifold
resources dt.StubResources
}
var _ = gc.Suite(&ManifoldSuite{})
func (s *ManifoldSuite) SetUpTest(c *gc.C) {
spoolDir := c.MkDir()
s.IsolationSuite.SetUpTest(c)
s.factory = &stubMetricFactory{
&testing.Stub{},
spoolDir,
}
testAPIClient := func(apiCaller base.APICaller) metricsadder.MetricsAdderClient {
return newTestAPIMetricSender()
}
s.PatchValue(&sender.NewMetricAdderClient, testAPIClient)
s.manifold = sender.Manifold(sender.ManifoldConfig{
AgentName: "agent",
APICallerName: "api-caller",
MetricSpoolName: "metric-spool",
})
dataDir := c.MkDir()
// create unit agent base dir so that hooks can run.
err := os.MkdirAll(filepath.Join(dataDir, "agents", "unit-u-0"), 0777)
c.Assert(err, jc.ErrorIsNil)
s.resources = dt.StubResources{
"agent": dt.StubResource{Output: &dummyAgent{dataDir: dataDir}},
"api-caller": dt.StubResource{Output: &stubAPICaller{&testing.Stub{}}},
"metric-spool": dt.StubResource{Output: s.factory},
}
}
func (s *ManifoldSuite) TestInputs(c *gc.C) {
c.Check(s.manifold.Inputs, jc.DeepEquals, []string{"agent", "api-caller", "metric-spool"})
}
func (s *ManifoldSuite) TestStartMissingAPICaller(c *gc.C) {
context := dt.StubContext(nil, map[string]interface{}{
"api-caller": dependency.ErrMissing,
"metric-spool": s.factory,
})
worker, err := s.manifold.Start(context)
c.Check(worker, gc.IsNil)
c.Check(err, gc.ErrorMatches, dependency.ErrMissing.Error())
}
func (s *ManifoldSuite) TestStartMissingAgent(c *gc.C) {
context := dt.StubContext(nil, map[string]interface{}{
"agent": dependency.ErrMissing,
"api-caller": &stubAPICaller{&testing.Stub{}},
"metric-spool": s.factory,
})
worker, err := s.manifold.Start(context)
c.Check(worker, gc.IsNil)
c.Check(err, gc.ErrorMatches, dependency.ErrMissing.Error())
}
func (s *ManifoldSuite) TestStartSuccess(c *gc.C) {
s.setupWorkerTest(c)
}
func (s *ManifoldSuite) setupWorkerTest(c *gc.C) worker.Worker {
worker, err := s.manifold.Start(s.resources.Context())
c.Check(err, jc.ErrorIsNil)
s.AddCleanup(func(c *gc.C) {
worker.Kill()
err := worker.Wait()
c.Check(err, jc.ErrorIsNil)
})
return worker
}
var _ base.APICaller = (*stubAPICaller)(nil)
type stubAPICaller struct {
*testing.Stub
}
func (s *stubAPICaller) APICall(objType string, version int, id, request string, params, response interface{}) error {
s.MethodCall(s, "APICall", objType, version, id, request, params, response)
return nil
}
func (s *stubAPICaller) BestFacadeVersion(facade string) int {
s.MethodCall(s, "BestFacadeVersion", facade)
return 42
}
func (s *stubAPICaller) ModelTag() (names.ModelTag, error) {
s.MethodCall(s, "ModelTag")
return names.NewModelTag("foobar"), nil
}
func (s *stubAPICaller) ConnectStream(string, url.Values) (base.Stream, error) {
panic("should not be called")
}
func (s *stubAPICaller) HTTPClient() (*httprequest.Client, error) {
panic("should not be called")
}
type dummyAgent struct {
agent.Agent
dataDir string
}
func (a dummyAgent) CurrentConfig() agent.Config {
return &dummyAgentConfig{dataDir: a.dataDir}
}
type dummyAgentConfig struct {
agent.Config
dataDir string
}
// Tag implements agent.AgentConfig.
func (ac dummyAgentConfig) Tag() names.Tag {
return names.NewUnitTag("u/0")
}
// DataDir implements agent.AgentConfig.
func (ac dummyAgentConfig) DataDir() string {
return ac.dataDir
}
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