Golang testing.Context函数代码示例

func (s *RelationListSuite) TestRelationListHelp(c *gc.C) {
	template := `
usage: relation-list [options]
purpose: list relation units

options:
--format  (= smart)
    specify output format (json|smart|yaml)
-o, --output (= "")
    specify an output file
-r  (= %s)
    specify a relation by id
%s`[1:]

	for relid, t := range map[int]struct {
		usage, doc string
	}{
		-1: {"", "\n-r must be specified when not in a relation hook\n"},
		0:  {"peer0:0", ""},
	} {
		c.Logf("test relid %d", relid)
		hctx := s.GetHookContext(c, relid, "")
		com, err := jujuc.NewCommand(hctx, "relation-list")
		c.Assert(err, gc.IsNil)
		ctx := testing.Context(c)
		code := cmd.Main(com, ctx, []string{"--help"})
		c.Assert(code, gc.Equals, 0)
		expect := fmt.Sprintf(template, t.usage, t.doc)
		c.Assert(bufferString(ctx.Stdout), gc.Equals, expect)
		c.Assert(bufferString(ctx.Stderr), gc.Equals, "")
	}
}

func (*NewAPIConnSuite) TestNewConn(c *gc.C) {
	cfg, err := config.New(config.NoDefaults, dummy.SampleConfig())
	c.Assert(err, gc.IsNil)
	ctx := coretesting.Context(c)
	env, err := environs.Prepare(cfg, ctx, configstore.NewMem())
	c.Assert(err, gc.IsNil)

	envtesting.UploadFakeTools(c, env.Storage())
	err = bootstrap.Bootstrap(ctx, env, environs.BootstrapParams{})
	c.Assert(err, gc.IsNil)

	cfg = env.Config()
	cfg, err = cfg.Apply(map[string]interface{}{
		"secret": "fnord",
	})
	c.Assert(err, gc.IsNil)
	err = env.SetConfig(cfg)
	c.Assert(err, gc.IsNil)

	conn, err := juju.NewAPIConn(env, api.DefaultDialOpts())
	c.Assert(err, gc.IsNil)
	c.Assert(conn.Environ, gc.Equals, env)
	c.Assert(conn.State, gc.NotNil)

	// the secrets will not be updated, as they already exist
	attrs, err := conn.State.Client().EnvironmentGet()
	c.Assert(attrs["secret"], gc.Equals, "pork")

	c.Assert(conn.Close(), gc.IsNil)
}

func (t *localServerSuite) TestAddresses(c *gc.C) {
	env := t.Prepare(c)
	envtesting.UploadFakeTools(c, env.Storage())
	err := bootstrap.Bootstrap(coretesting.Context(c), env, environs.BootstrapParams{})
	c.Assert(err, gc.IsNil)
	inst, _ := testing.AssertStartInstance(c, env, "1")
	c.Assert(err, gc.IsNil)
	addrs, err := inst.Addresses()
	c.Assert(err, gc.IsNil)
	// Expected values use Address type but really contain a regexp for
	// the value rather than a valid ip or hostname.
	expected := []instance.Address{{
		Value:        "*.testing.invalid",
		Type:         instance.HostName,
		NetworkScope: instance.NetworkPublic,
	}, {
		Value:        "*.internal.invalid",
		Type:         instance.HostName,
		NetworkScope: instance.NetworkCloudLocal,
	}, {
		Value:        "8.0.0.*",
		Type:         instance.Ipv4Address,
		NetworkScope: instance.NetworkPublic,
	}, {
		Value:        "127.0.0.*",
		Type:         instance.Ipv4Address,
		NetworkScope: instance.NetworkCloudLocal,
	}}
	c.Assert(addrs, gc.HasLen, len(expected))
	for i, addr := range addrs {
		c.Check(addr.Value, gc.Matches, expected[i].Value)
		c.Check(addr.Type, gc.Equals, expected[i].Type)
		c.Check(addr.NetworkScope, gc.Equals, expected[i].NetworkScope)
	}
}

func (*CmdSuite) TestSetCommandInit(c *gc.C) {
	// missing args
	_, err := initSetCommand()
	c.Assert(err, gc.ErrorMatches, "no service name specified")
	// missing service name
	_, err = initSetCommand("name=cow")
	c.Assert(err, gc.ErrorMatches, "no service name specified")

	// test --config path
	expected := []byte("this: is some test data")
	ctx := coretesting.Context(c)
	path := ctx.AbsPath("testconfig.yaml")
	file, err := os.Create(path)
	c.Assert(err, gc.IsNil)
	_, err = file.Write(expected)
	c.Assert(err, gc.IsNil)
	file.Close()
	com, err := initSetCommand("--config", "testconfig.yaml", "service")
	c.Assert(err, gc.IsNil)
	c.Assert(com.SettingsYAML.Path, gc.Equals, "testconfig.yaml")
	actual, err := com.SettingsYAML.Read(ctx)
	c.Assert(err, gc.IsNil)
	c.Assert(actual, gc.DeepEquals, expected)

	// --config path, but no service
	com, err = initSetCommand("--config", "testconfig")
	c.Assert(err, gc.ErrorMatches, "no service name specified")

	// --config and options specified
	com, err = initSetCommand("service", "--config", "testconfig", "bees=")
	c.Assert(err, gc.ErrorMatches, "cannot specify --config when using key=value arguments")
}

func (s *ConfigSuite) TestFirewallMode(c *gc.C) {
	for i, test := range firewallModeTests {
		c.Logf("test %d: %s", i, test.configFirewallMode)
		attrs := dummy.SampleConfig()
		if test.configFirewallMode != "" {
			attrs = attrs.Merge(testing.Attrs{
				"firewall-mode": test.configFirewallMode,
			})
		}
		cfg, err := config.New(config.NoDefaults, attrs)
		if err != nil {
			c.Assert(err, gc.ErrorMatches, test.errorMsg)
			continue
		}
		ctx := testing.Context(c)
		env, err := environs.Prepare(cfg, ctx, configstore.NewMem())
		if test.errorMsg != "" {
			c.Assert(err, gc.ErrorMatches, test.errorMsg)
			continue
		}
		c.Assert(err, gc.IsNil)
		defer env.Destroy()

		firewallMode := env.Config().FirewallMode()
		c.Assert(firewallMode, gc.Equals, test.firewallMode)

		s.TearDownTest(c)
	}
}

func (s *LiveTests) assertStartInstanceDefaultSecurityGroup(c *gc.C, useDefault bool) {
	attrs := s.TestConfig.Merge(coretesting.Attrs{
		"name":                 "sample-" + randomName(),
		"control-bucket":       "juju-test-" + randomName(),
		"use-default-secgroup": useDefault,
	})
	cfg, err := config.New(config.NoDefaults, attrs)
	c.Assert(err, gc.IsNil)
	// Set up a test environment.
	env, err := environs.New(cfg)
	c.Assert(err, gc.IsNil)
	c.Assert(env, gc.NotNil)
	defer env.Destroy()
	// Bootstrap and start an instance.
	err = bootstrap.Bootstrap(coretesting.Context(c), env, environs.BootstrapParams{})
	c.Assert(err, gc.IsNil)
	inst, _ := jujutesting.AssertStartInstance(c, env, "100")
	// Check whether the instance has the default security group assigned.
	novaClient := openstack.GetNovaClient(env)
	groups, err := novaClient.GetServerSecurityGroups(string(inst.Id()))
	c.Assert(err, gc.IsNil)
	defaultGroupFound := false
	for _, group := range groups {
		if group.Name == "default" {
			defaultGroupFound = true
			break
		}
	}
	c.Assert(defaultGroupFound, gc.Equals, useDefault)
}

func (s *DebugHooksSuite) TestDebugHooksCommand(c *gc.C) {
	machines := s.makeMachines(3, c, true)
	dummy := s.AddTestingCharm(c, "dummy")
	srv := s.AddTestingService(c, "mysql", dummy)
	s.addUnit(srv, machines[0], c)

	srv = s.AddTestingService(c, "mongodb", dummy)
	s.addUnit(srv, machines[1], c)
	s.addUnit(srv, machines[2], c)

	for i, t := range debugHooksTests {
		c.Logf("test %d: %s\n\t%s\n", i, t.info, t.args)
		ctx := coretesting.Context(c)

		debugHooksCmd := &DebugHooksCommand{}
		debugHooksCmd.proxy = true
		err := debugHooksCmd.Init(t.args)
		if err == nil {
			err = debugHooksCmd.Run(ctx)
		}
		if t.error != "" {
			c.Assert(err, gc.ErrorMatches, t.error)
		} else {
			c.Assert(err, gc.IsNil)
		}
	}
}

func (s *RelationListSuite) TestRelationList(c *gc.C) {
	for i, t := range relationListTests {
		c.Logf("test %d: %s", i, t.summary)
		hctx := s.GetHookContext(c, t.relid, "")
		setMembers(hctx.rels[0], t.members0)
		setMembers(hctx.rels[1], t.members1)
		com, err := jujuc.NewCommand(hctx, "relation-list")
		c.Assert(err, gc.IsNil)
		ctx := testing.Context(c)
		code := cmd.Main(com, ctx, t.args)
		c.Logf(bufferString(ctx.Stderr))
		c.Assert(code, gc.Equals, t.code)
		if code == 0 {
			c.Assert(bufferString(ctx.Stderr), gc.Equals, "")
			expect := t.out
			if expect != "" {
				expect = expect + "\n"
			}
			c.Assert(bufferString(ctx.Stdout), gc.Equals, expect)
		} else {
			c.Assert(bufferString(ctx.Stdout), gc.Equals, "")
			expect := fmt.Sprintf(`(.|\n)*error: %s\n`, t.out)
			c.Assert(bufferString(ctx.Stderr), gc.Matches, expect)
		}
	}
}

func (t *ProviderSuite) assertGetImageMetadataSources(c *gc.C, stream, officialSourcePath string) {
	// Make an env configured with the stream.
	envAttrs := localConfigAttrs
	if stream != "" {
		envAttrs = envAttrs.Merge(coretesting.Attrs{
			"image-stream": stream,
		})
	}
	cfg, err := config.New(config.NoDefaults, envAttrs)
	c.Assert(err, gc.IsNil)
	env, err := environs.Prepare(cfg, coretesting.Context(c), configstore.NewMem())
	c.Assert(err, gc.IsNil)
	c.Assert(env, gc.NotNil)

	sources, err := imagemetadata.GetMetadataSources(env)
	c.Assert(err, gc.IsNil)
	c.Assert(len(sources), gc.Equals, 2)
	var urls = make([]string, len(sources))
	for i, source := range sources {
		url, err := source.URL("")
		c.Assert(err, gc.IsNil)
		urls[i] = url
	}
	// The control bucket URL contains the bucket name.
	c.Check(strings.Contains(urls[0], ec2.ControlBucketName(env)+"/images"), jc.IsTrue)
	c.Assert(urls[1], gc.Equals, fmt.Sprintf("http://cloud-images.ubuntu.com/%s/", officialSourcePath))
}

func (s *SSHSuite) TestSSHCommand(c *gc.C) {
	m := s.makeMachines(3, c, true)
	ch := coretesting.Charms.Dir("dummy")
	curl := charm.MustParseURL(
		fmt.Sprintf("local:quantal/%s-%d", ch.Meta().Name, ch.Revision()),
	)
	bundleURL, err := url.Parse("http://bundles.testing.invalid/dummy-1")
	c.Assert(err, gc.IsNil)
	dummy, err := s.State.AddCharm(ch, curl, bundleURL, "dummy-1-sha256")
	c.Assert(err, gc.IsNil)
	srv := s.AddTestingService(c, "mysql", dummy)
	s.addUnit(srv, m[0], c)

	srv = s.AddTestingService(c, "mongodb", dummy)
	s.addUnit(srv, m[1], c)
	s.addUnit(srv, m[2], c)

	for i, t := range sshTests {
		c.Logf("test %d: %s -> %s\n", i, t.about, t.args)
		ctx := coretesting.Context(c)
		jujucmd := cmd.NewSuperCommand(cmd.SuperCommandParams{})
		jujucmd.Register(envcmd.Wrap(&SSHCommand{}))

		code := cmd.Main(jujucmd, ctx, t.args)
		c.Check(code, gc.Equals, 0)
		c.Check(ctx.Stderr.(*bytes.Buffer).String(), gc.Equals, "")
		c.Check(ctx.Stdout.(*bytes.Buffer).String(), gc.Equals, t.result)
	}
}

func (*CmdSuite) TestDeployCommandInit(c *gc.C) {
	defer os.Setenv(osenv.JujuRepositoryEnvKey, os.Getenv(osenv.JujuRepositoryEnvKey))
	os.Setenv(osenv.JujuRepositoryEnvKey, "/path/to/repo")

	for _, t := range deployTests {
		initExpectations(t.com)
		com, err := initDeployCommand(t.args...)
		c.Assert(err, gc.IsNil)
		c.Assert(com, gc.DeepEquals, t.com)
	}

	// test relative --config path
	ctx := coretesting.Context(c)
	expected := []byte("test: data")
	path := ctx.AbsPath("testconfig.yaml")
	file, err := os.Create(path)
	c.Assert(err, gc.IsNil)
	_, err = file.Write(expected)
	c.Assert(err, gc.IsNil)
	file.Close()

	com, err := initDeployCommand("--config", "testconfig.yaml", "charm-name")
	c.Assert(err, gc.IsNil)
	actual, err := com.Config.Read(ctx)
	c.Assert(err, gc.IsNil)
	c.Assert(expected, gc.DeepEquals, actual)

	// missing args
	_, err = initDeployCommand()
	c.Assert(err, gc.ErrorMatches, "no charm specified")

	// environment tested elsewhere
}

func (s *SSHSuite) testSSHCommandHostAddressRetry(c *gc.C, proxy bool) {
	m := s.makeMachines(1, c, false)
	ctx := coretesting.Context(c)

	var called int
	next := func() bool {
		called++
		return called < 2
	}
	attemptStarter := &callbackAttemptStarter{next: next}
	s.PatchValue(&sshHostFromTargetAttemptStrategy, attemptStarter)

	// Ensure that the ssh command waits for a public address, or the attempt
	// strategy's Done method returns false.
	args := []string{"--proxy=" + fmt.Sprint(proxy), "0"}
	code := cmd.Main(&SSHCommand{}, ctx, args)
	c.Check(code, gc.Equals, 1)
	c.Assert(called, gc.Equals, 2)
	called = 0
	attemptStarter.next = func() bool {
		called++
		if called > 1 {
			s.setAddresses(m[0], c)
		}
		return true
	}
	code = cmd.Main(&SSHCommand{}, ctx, args)
	c.Check(code, gc.Equals, 0)
	c.Assert(called, gc.Equals, 2)
}

// Prepare prepares an instance of the testing environment.
func (t *Tests) Prepare(c *gc.C) environs.Environ {
	cfg, err := config.New(config.NoDefaults, t.TestConfig)
	c.Assert(err, gc.IsNil)
	e, err := environs.Prepare(cfg, coretesting.Context(c), t.ConfigStore)
	c.Assert(err, gc.IsNil, gc.Commentf("preparing environ %#v", t.TestConfig))
	c.Assert(e, gc.NotNil)
	return e
}

func (s *SuperCommandSuite) TestDescription(c *gc.C) {
	jc := cmd.NewSuperCommand(cmd.SuperCommandParams{Name: "jujutest", Purpose: "blow up the death star"})
	jc.Register(&TestCommand{Name: "blah"})
	ctx := testing.Context(c)
	code := cmd.Main(jc, ctx, []string{"blah", "--description"})
	c.Assert(code, gc.Equals, 0)
	c.Assert(bufferString(ctx.Stdout), gc.Equals, "blow up the death star\n")
}

func (s *providerSuite) TestPrepareUseSSHStorage(c *gc.C) {
	minimal := manual.MinimalConfigValues()
	minimal["use-sshstorage"] = false
	testConfig, err := config.New(config.UseDefaults, minimal)
	c.Assert(err, gc.IsNil)
	_, err = manual.ProviderInstance.Prepare(coretesting.Context(c), testConfig)
	c.Assert(err, gc.ErrorMatches, "use-sshstorage must not be specified")

	s.PatchValue(manual.NewSSHStorage, func(sshHost, storageDir, storageTmpdir string) (storage.Storage, error) {
		return nil, fmt.Errorf("newSSHStorage failed")
	})
	minimal["use-sshstorage"] = true
	testConfig, err = config.New(config.UseDefaults, minimal)
	c.Assert(err, gc.IsNil)
	_, err = manual.ProviderInstance.Prepare(coretesting.Context(c), testConfig)
	c.Assert(err, gc.ErrorMatches, "initialising SSH storage failed: newSSHStorage failed")
}