func (s *MetricsReaderSuite) SetUpTest(c *gc.C) {
s.paths = NewRealPaths(c)
var err error
s.w, err = runner.NewJSONMetricsRecorder(s.paths.GetMetricsSpoolDir(), "local:precise/wordpress")
c.Assert(err, jc.ErrorIsNil)
err = s.w.AddMetric("pings", "5", time.Now())
c.Assert(err, jc.ErrorIsNil)
err = s.w.Close()
c.Assert(err, jc.ErrorIsNil)
}
func (s *MetricsRecorderSuite) TestMetricRecorderInit(c *gc.C) {
w, err := runner.NewJSONMetricsRecorder(s.paths.GetMetricsSpoolDir(), "local:precise/wordpress")
c.Assert(err, jc.ErrorIsNil)
c.Assert(w, gc.NotNil)
err = w.AddMetric("pings", "5", time.Now())
c.Assert(err, jc.ErrorIsNil)
err = w.Close()
c.Assert(err, jc.ErrorIsNil)
r, err := runner.NewJSONMetricsReader(s.paths.GetMetricsSpoolDir())
c.Assert(err, jc.ErrorIsNil)
batches, err := r.Open()
c.Assert(err, jc.ErrorIsNil)
c.Assert(batches, gc.HasLen, 1)
batch := batches[0]
c.Assert(batch.CharmURL, gc.Equals, "local:precise/wordpress")
c.Assert(batch.UUID, gc.Not(gc.Equals), "")
c.Assert(batch.Metrics, gc.HasLen, 1)
c.Assert(batch.Metrics[0].Key, gc.Equals, "pings")
c.Assert(batch.Metrics[0].Value, gc.Equals, "5")
err = r.Close()
c.Assert(err, jc.ErrorIsNil)
}
