func (s *filterSuite) TestBuildPredicatesForOkay(c *gc.C) {
pl := payload.FullPayloadInfo{
Payload: payload.Payload{
PayloadClass: charm.PayloadClass{
Name: "spam",
Type: "docker",
},
ID: "idspam",
Status: "running",
Labels: []string{"tagA", "tagB"},
Unit: "a-application/0",
},
Machine: "1",
}
// Check matching patterns.
patterns := []string{
"spam",
"docker",
"idspam",
"running",
"tagA",
"tagB",
"a-application/0",
"1",
}
for _, pattern := range patterns {
predicates, err := payload.BuildPredicatesFor([]string{
pattern,
})
c.Assert(err, jc.ErrorIsNil)
c.Check(predicates, gc.HasLen, 1)
matched := predicates[0](pl)
c.Check(matched, jc.IsTrue)
}
// Check a non-matching pattern.
predicates, err := payload.BuildPredicatesFor([]string{
"tagC",
})
c.Assert(err, jc.ErrorIsNil)
c.Check(predicates, gc.HasLen, 1)
matched := predicates[0](pl)
c.Check(matched, jc.IsFalse)
}
func (s *filterSuite) TestBuildPredicatesForMulti(c *gc.C) {
predicates, err := payload.BuildPredicatesFor([]string{
"tagC",
"spam",
"1",
"2",
"idspam",
})
c.Assert(err, jc.ErrorIsNil)
c.Check(predicates, gc.HasLen, 5)
pl := s.newPayload("spam")
var matches []bool
for _, pred := range predicates {
matched := pred(pl)
matches = append(matches, matched)
}
c.Check(matches, jc.DeepEquals, []bool{
false,
true,
true,
false,
true,
})
}
// List builds the list of payloads being tracked for
// the given unit and IDs. If no IDs are provided then all tracked
// payloads for the unit are returned.
func (a PublicAPI) List(args api.EnvListArgs) (api.EnvListResults, error) {
var r api.EnvListResults
payloads, err := a.State.ListAll()
if err != nil {
return r, errors.Trace(err)
}
filters, err := payload.BuildPredicatesFor(args.Patterns)
if err != nil {
return r, errors.Trace(err)
}
payloads = payload.Filter(payloads, filters...)
for _, payload := range payloads {
apiInfo := api.Payload2api(payload)
r.Results = append(r.Results, apiInfo)
}
return r, nil
}