Exemplo n.º 1
0
// TestSeries ensures that valid series values are parsed correctly when specified
// in the charm metadata.
func (s *MetaSuite) TestSeries(c *gc.C) {
	// series not specified
	meta, err := charm.ReadMeta(strings.NewReader(dummyMetadata))
	c.Assert(err, gc.IsNil)
	c.Check(meta.Series, gc.Equals, "")

	for _, seriesName := range []string{"precise", "trusty", "plan9"} {
		meta, err := charm.ReadMeta(strings.NewReader(
			fmt.Sprintf("%s\nseries: %s\n", dummyMetadata, seriesName)))
		c.Assert(err, gc.IsNil)
		c.Check(meta.Series, gc.Equals, seriesName)
	}
}
Exemplo n.º 2
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func (s *MetaSuite) TestScopeConstraint(c *gc.C) {
	meta, err := charm.ReadMeta(repoMeta("logging"))
	c.Assert(err, gc.IsNil)
	c.Assert(meta.Provides["logging-client"].Scope, gc.Equals, charm.ScopeGlobal)
	c.Assert(meta.Requires["logging-directory"].Scope, gc.Equals, charm.ScopeContainer)
	c.Assert(meta.Subordinate, gc.Equals, true)
}
Exemplo n.º 3
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func (s *MetaSuite) TestSubordinateWithoutContainerRelation(c *gc.C) {
	r := repoMeta("dummy")
	hackYaml := ReadYaml(r)
	hackYaml["subordinate"] = true
	_, err := charm.ReadMeta(hackYaml.Reader())
	c.Assert(err, gc.ErrorMatches, "subordinate charm \"dummy\" lacks \"requires\" relation with container scope")
}
Exemplo n.º 4
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func (s *MetaSuite) TestReadMetaVersion2(c *gc.C) {
	meta, err := charm.ReadMeta(repoMeta("format2"))
	c.Assert(err, gc.IsNil)
	c.Assert(meta.Name, gc.Equals, "format2")
	c.Assert(meta.Format, gc.Equals, 2)
	c.Assert(meta.Categories, gc.HasLen, 0)
}
Exemplo n.º 5
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func (s *MetaSuite) TestMetaHooks(c *gc.C) {
	meta, err := charm.ReadMeta(repoMeta("wordpress"))
	c.Assert(err, gc.IsNil)
	hooks := meta.Hooks()
	expectedHooks := map[string]bool{
		"install":                           true,
		"start":                             true,
		"config-changed":                    true,
		"action-requested":                  true,
		"upgrade-charm":                     true,
		"stop":                              true,
		"cache-relation-joined":             true,
		"cache-relation-changed":            true,
		"cache-relation-departed":           true,
		"cache-relation-broken":             true,
		"db-relation-joined":                true,
		"db-relation-changed":               true,
		"db-relation-departed":              true,
		"db-relation-broken":                true,
		"logging-dir-relation-joined":       true,
		"logging-dir-relation-changed":      true,
		"logging-dir-relation-departed":     true,
		"logging-dir-relation-broken":       true,
		"monitoring-port-relation-joined":   true,
		"monitoring-port-relation-changed":  true,
		"monitoring-port-relation-departed": true,
		"monitoring-port-relation-broken":   true,
		"url-relation-joined":               true,
		"url-relation-changed":              true,
		"url-relation-departed":             true,
		"url-relation-broken":               true,
	}
	c.Assert(hooks, gc.DeepEquals, expectedHooks)
}
Exemplo n.º 6
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func (s *MetaSuite) TestRelationsConstraints(c *gc.C) {
	check := func(s, e string) {
		meta, err := charm.ReadMeta(strings.NewReader(s))
		if e != "" {
			c.Assert(err, gc.ErrorMatches, e)
			c.Assert(meta, gc.IsNil)
		} else {
			c.Assert(err, gc.IsNil)
			c.Assert(meta, gc.NotNil)
		}
	}
	prefix := "name: a\nsummary: b\ndescription: c\n"
	for i, t := range relationsConstraintsTests {
		c.Logf("test %d", i)
		check(prefix+t.rels, t.err)
		check(prefix+"subordinate: true\n"+t.rels, t.err)
	}
	// The juju-* namespace is accessible to container-scoped require
	// relations on subordinate charms.
	check(prefix+`
subordinate: true
requires:
  juju-info:
    interface: juju-info
    scope: container`, "")
	// The juju-* interfaces are allowed on any require relation.
	check(prefix+`
requires:
  innocuous: juju-info`, "")
}
Exemplo n.º 7
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// TestInvalidSeries ensures that invalid series values cause a parse error
// when specified in the charm metadata.
func (s *MetaSuite) TestInvalidSeries(c *gc.C) {
	for _, seriesName := range []string{"pre-c1se", "pre^cise", "cp/m", "OpenVMS"} {
		_, err := charm.ReadMeta(strings.NewReader(
			fmt.Sprintf("%s\nseries: %s\n", dummyMetadata, seriesName)))
		c.Assert(err, gc.NotNil)
		c.Check(err, gc.ErrorMatches, `charm "a" declares invalid series: .*`)
	}
}
Exemplo n.º 8
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func (s *MetaSuite) TestReadMetaVersion1(c *gc.C) {
	meta, err := charm.ReadMeta(repoMeta("dummy"))
	c.Assert(err, gc.IsNil)
	c.Assert(meta.Name, gc.Equals, "dummy")
	c.Assert(meta.Summary, gc.Equals, "That's a dummy charm.")
	c.Assert(meta.Description, gc.Equals,
		"This is a longer description which\npotentially contains multiple lines.\n")
	c.Assert(meta.Format, gc.Equals, 1)
	c.Assert(meta.OldRevision, gc.Equals, 0)
	c.Assert(meta.Subordinate, gc.Equals, false)
}
Exemplo n.º 9
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func (s *CharmTestHelperSuite) TestMetaCharm(c *gc.C) {
	forEachStandardCharm(c, func(name string) {
		chd := charmtesting.Charms.Dir(name)
		config := chd.Config()
		metaYaml := "name: " + name + metaYamlSnippet
		meta, err := charm.ReadMeta(bytes.NewBuffer([]byte(metaYaml)))
		c.Assert(err, gc.IsNil)

		ch := s.AddMetaCharm(c, name, metaYaml, 123)
		assertCustomCharm(c, ch, "quantal", meta, config, 123)
	})
}
Exemplo n.º 10
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func (s *MetaSuite) TestParseMetaRelations(c *gc.C) {
	meta, err := charm.ReadMeta(repoMeta("mysql"))
	c.Assert(err, gc.IsNil)
	c.Assert(meta.Provides["server"], gc.Equals, charm.Relation{
		Name:      "server",
		Role:      charm.RoleProvider,
		Interface: "mysql",
		Scope:     charm.ScopeGlobal,
	})
	c.Assert(meta.Requires, gc.IsNil)
	c.Assert(meta.Peers, gc.IsNil)

	meta, err = charm.ReadMeta(repoMeta("riak"))
	c.Assert(err, gc.IsNil)
	c.Assert(meta.Provides["endpoint"], gc.Equals, charm.Relation{
		Name:      "endpoint",
		Role:      charm.RoleProvider,
		Interface: "http",
		Scope:     charm.ScopeGlobal,
	})
	c.Assert(meta.Provides["admin"], gc.Equals, charm.Relation{
		Name:      "admin",
		Role:      charm.RoleProvider,
		Interface: "http",
		Scope:     charm.ScopeGlobal,
	})
	c.Assert(meta.Peers["ring"], gc.Equals, charm.Relation{
		Name:      "ring",
		Role:      charm.RolePeer,
		Interface: "riak",
		Limit:     1,
		Scope:     charm.ScopeGlobal,
	})
	c.Assert(meta.Requires, gc.IsNil)

	meta, err = charm.ReadMeta(repoMeta("terracotta"))
	c.Assert(err, gc.IsNil)
	c.Assert(meta.Provides["dso"], gc.Equals, charm.Relation{
		Name:      "dso",
		Role:      charm.RoleProvider,
		Interface: "terracotta",
		Optional:  true,
		Scope:     charm.ScopeGlobal,
	})
	c.Assert(meta.Peers["server-array"], gc.Equals, charm.Relation{
		Name:      "server-array",
		Role:      charm.RolePeer,
		Interface: "terracotta-server",
		Limit:     1,
		Scope:     charm.ScopeGlobal,
	})
	c.Assert(meta.Requires, gc.IsNil)

	meta, err = charm.ReadMeta(repoMeta("wordpress"))
	c.Assert(err, gc.IsNil)
	c.Assert(meta.Provides["url"], gc.Equals, charm.Relation{
		Name:      "url",
		Role:      charm.RoleProvider,
		Interface: "http",
		Scope:     charm.ScopeGlobal,
	})
	c.Assert(meta.Requires["db"], gc.Equals, charm.Relation{
		Name:      "db",
		Role:      charm.RoleRequirer,
		Interface: "mysql",
		Limit:     1,
		Scope:     charm.ScopeGlobal,
	})
	c.Assert(meta.Requires["cache"], gc.Equals, charm.Relation{
		Name:      "cache",
		Role:      charm.RoleRequirer,
		Interface: "varnish",
		Limit:     2,
		Optional:  true,
		Scope:     charm.ScopeGlobal,
	})
	c.Assert(meta.Peers, gc.IsNil)
}
Exemplo n.º 11
0
func (s *MetaSuite) TestSubordinate(c *gc.C) {
	meta, err := charm.ReadMeta(repoMeta("logging"))
	c.Assert(err, gc.IsNil)
	c.Assert(meta.Subordinate, gc.Equals, true)
}
Exemplo n.º 12
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func (s *MetaSuite) TestReadCategory(c *gc.C) {
	meta, err := charm.ReadMeta(repoMeta("category"))
	c.Assert(err, gc.IsNil)
	c.Assert(meta.Categories, gc.DeepEquals, []string{"database"})
}
Exemplo n.º 13
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func (s *DirSuite) assertBundleTo(c *gc.C, baseDir, charmDir string) {
	var haveSymlinks = true
	if err := os.Symlink("../target", filepath.Join(charmDir, "hooks/symlink")); err != nil {
		haveSymlinks = false
	}
	dir, err := charm.ReadDir(charmDir)
	c.Assert(err, gc.IsNil)
	path := filepath.Join(baseDir, "bundle.charm")
	file, err := os.Create(path)
	c.Assert(err, gc.IsNil)
	err = dir.BundleTo(file)
	file.Close()
	c.Assert(err, gc.IsNil)

	zipr, err := zip.OpenReader(path)
	c.Assert(err, gc.IsNil)
	defer zipr.Close()

	var metaf, instf, emptyf, revf, symf *zip.File
	for _, f := range zipr.File {
		c.Logf("Bundled file: %s", f.Name)
		switch f.Name {
		case "revision":
			revf = f
		case "metadata.yaml":
			metaf = f
		case "hooks/install":
			instf = f
		case "hooks/symlink":
			symf = f
		case "empty/":
			emptyf = f
		case "build/ignored":
			c.Errorf("bundle includes build/*: %s", f.Name)
		case ".ignored", ".dir/ignored":
			c.Errorf("bundle includes .* entries: %s", f.Name)
		}
	}

	c.Assert(revf, gc.NotNil)
	reader, err := revf.Open()
	c.Assert(err, gc.IsNil)
	data, err := ioutil.ReadAll(reader)
	reader.Close()
	c.Assert(err, gc.IsNil)
	c.Assert(string(data), gc.Equals, "1")

	c.Assert(metaf, gc.NotNil)
	reader, err = metaf.Open()
	c.Assert(err, gc.IsNil)
	meta, err := charm.ReadMeta(reader)
	reader.Close()
	c.Assert(err, gc.IsNil)
	c.Assert(meta.Name, gc.Equals, "dummy")

	c.Assert(instf, gc.NotNil)
	// Despite it being 0751, we pack and unpack it as 0755.
	c.Assert(instf.Mode()&0777, gc.Equals, os.FileMode(0755))

	if haveSymlinks {
		c.Assert(symf, gc.NotNil)
		c.Assert(symf.Mode()&0777, gc.Equals, os.FileMode(0777))
		reader, err = symf.Open()
		c.Assert(err, gc.IsNil)
		data, err = ioutil.ReadAll(reader)
		reader.Close()
		c.Assert(err, gc.IsNil)
		c.Assert(string(data), gc.Equals, "../target")
	} else {
		c.Assert(symf, gc.IsNil)
	}

	c.Assert(emptyf, gc.NotNil)
	c.Assert(emptyf.Mode()&os.ModeType, gc.Equals, os.ModeDir)
	// Despite it being 0750, we pack and unpack it as 0755.
	c.Assert(emptyf.Mode()&0777, gc.Equals, os.FileMode(0755))
}