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Golang cmd.Main函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Golang中github.com/juju/core/cmd.Main函数的典型用法代码示例。如果您正苦于以下问题：Golang Main函数的具体用法？Golang Main怎么用？Golang Main使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了Main函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: testSSHCommandHostAddressRetry

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)
}
开发者ID:jkary，项目名称:core，代码行数:30，代码来源:ssh_test.go


示例2: TestRelationListHelp

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, "")
	}
}
开发者ID:jkary，项目名称:core，代码行数:32，代码来源:relation-list_test.go


示例3: Main

// Main registers subcommands for the juju-metadata executable, and hands over control
// to the cmd package. This function is not redundant with main, because it
// provides an entry point for testing with arbitrary command line arguments.
func Main(args []string) {
	ctx, err := cmd.DefaultContext()
	if err != nil {
		fmt.Fprintf(os.Stderr, "error: %v\n", err)
		os.Exit(2)
	}
	if err := juju.InitJujuHome(); err != nil {
		fmt.Fprintf(os.Stderr, "error: %s\n", err)
		os.Exit(2)
	}
	metadatacmd := cmd.NewSuperCommand(cmd.SuperCommandParams{
		Name:        "metadata",
		UsagePrefix: "juju",
		Doc:         metadataDoc,
		Purpose:     "tools for generating and validating image and tools metadata",
		Log:         &cmd.Log{}})

	metadatacmd.Register(envcmd.Wrap(&ValidateImageMetadataCommand{}))
	metadatacmd.Register(envcmd.Wrap(&ImageMetadataCommand{}))
	metadatacmd.Register(envcmd.Wrap(&ToolsMetadataCommand{}))
	metadatacmd.Register(envcmd.Wrap(&ValidateToolsMetadataCommand{}))
	metadatacmd.Register(&SignMetadataCommand{})

	os.Exit(cmd.Main(metadatacmd, ctx, args[1:]))
}
开发者ID:jkary，项目名称:core，代码行数:28，代码来源:metadata.go


示例4: TestSSHCommand

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)
	}
}
开发者ID:jkary，项目名称:core，代码行数:29，代码来源:ssh_test.go


示例5: TestRelationList

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)
		}
	}
}
开发者ID:jkary，项目名称:core，代码行数:26，代码来源:relation-list_test.go


示例6: TestDescription

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")
}
开发者ID:jkary，项目名称:core，代码行数:8，代码来源:supercommand_test.go


示例7: assertSetSuccess

// assertSetSuccess sets configuration options and checks the expected settings.
func assertSetSuccess(c *gc.C, dir string, svc *state.Service, args []string, expect charm.Settings) {
	ctx := coretesting.ContextForDir(c, dir)
	code := cmd.Main(envcmd.Wrap(&SetCommand{}), ctx, append([]string{"dummy-service"}, args...))
	c.Check(code, gc.Equals, 0)
	settings, err := svc.ConfigSettings()
	c.Assert(err, gc.IsNil)
	c.Assert(settings, gc.DeepEquals, expect)
}
开发者ID:jkary，项目名称:core，代码行数:9，代码来源:set_test.go


示例8: TestHelpWithPrefix

func (s *SuperCommandSuite) TestHelpWithPrefix(c *gc.C) {
	jc := cmd.NewSuperCommand(cmd.SuperCommandParams{Name: "jujutest", UsagePrefix: "juju"})
	jc.Register(&TestCommand{Name: "blah"})
	ctx := testing.Context(c)
	code := cmd.Main(jc, ctx, []string{"blah", "--help"})
	c.Assert(code, gc.Equals, 0)
	stripped := strings.Replace(bufferString(ctx.Stdout), "\n", "", -1)
	c.Assert(stripped, gc.Matches, ".*usage: juju jujutest blah.*blah-doc.*")
}
开发者ID:jkary，项目名称:core，代码行数:9，代码来源:supercommand_test.go


示例9: TestAllPlusKey

func (s *ConfigGetSuite) TestAllPlusKey(c *gc.C) {
	hctx := s.GetHookContext(c, -1, "")
	com, err := jujuc.NewCommand(hctx, "config-get")
	c.Assert(err, gc.IsNil)
	ctx := testing.Context(c)
	code := cmd.Main(com, ctx, []string{"--all", "--format", "json", "monsters"})
	c.Assert(code, gc.Equals, 2)
	c.Assert(bufferString(ctx.Stderr), gc.Equals, "error: cannot use argument --all together with key \"monsters\"\n")
}
开发者ID:jkary，项目名称:core，代码行数:9，代码来源:config-get_test.go


示例10: TestOutputFormat

func (s *UnitGetSuite) TestOutputFormat(c *gc.C) {
	for _, t := range unitGetTests {
		com := s.createCommand(c)
		ctx := testing.Context(c)
		code := cmd.Main(com, ctx, t.args)
		c.Assert(code, gc.Equals, 0)
		c.Assert(bufferString(ctx.Stderr), gc.Equals, "")
		c.Assert(bufferString(ctx.Stdout), gc.Matches, t.out)
	}
}
开发者ID:jkary，项目名称:core，代码行数:10，代码来源:unit-get_test.go


示例11: TestEc2LocalMetadataNoMatch

func (s *ValidateImageMetadataSuite) TestEc2LocalMetadataNoMatch(c *gc.C) {
	s.setupEc2LocalMetadata(c, "us-east-1", "")
	ctx := coretesting.Context(c)
	code := cmd.Main(
		envcmd.Wrap(&ValidateImageMetadataCommand{}), ctx, []string{
			"-p", "ec2", "-s", "raring", "-r", "us-west-1",
			"-u", "https://ec2.us-west-1.amazonaws.com", "-d", s.metadataDir},
	)
	c.Assert(code, gc.Equals, 1)
	code = cmd.Main(
		envcmd.Wrap(&ValidateImageMetadataCommand{}), ctx, []string{
			"-p", "ec2", "-s", "precise", "-r", "region",
			"-u", "https://ec2.region.amazonaws.com", "-d", s.metadataDir},
	)
	c.Assert(code, gc.Equals, 1)
	errOut := ctx.Stderr.(*bytes.Buffer).String()
	strippedOut := strings.Replace(errOut, "\n", "", -1)
	c.Check(strippedOut, gc.Matches, `.*Resolve Metadata:.*`)
}
开发者ID:jkary，项目名称:core，代码行数:19，代码来源:validateimagemetadata_test.go


示例12: TestMissingCallbackErrors

func (s *SuperCommandSuite) TestMissingCallbackErrors(c *gc.C) {
	callback := func(ctx *cmd.Context, subcommand string, args []string) error {
		return fmt.Errorf("command not found %q", subcommand)
	}

	ctx := testing.Context(c)
	code := cmd.Main(NewSuperWithCallback(callback), ctx, []string{"foo"})
	c.Assert(code, gc.Equals, 1)
	c.Assert(testing.Stdout(ctx), gc.Equals, "")
	c.Assert(testing.Stderr(ctx), gc.Equals, "ERROR command not found \"foo\"\n")
}
开发者ID:jkary，项目名称:core，代码行数:11，代码来源:supercommand_test.go


示例13: TestOutputPath

func (s *UnitGetSuite) TestOutputPath(c *gc.C) {
	com := s.createCommand(c)
	ctx := testing.Context(c)
	code := cmd.Main(com, ctx, []string{"--output", "some-file", "private-address"})
	c.Assert(code, gc.Equals, 0)
	c.Assert(bufferString(ctx.Stderr), gc.Equals, "")
	c.Assert(bufferString(ctx.Stdout), gc.Equals, "")
	content, err := ioutil.ReadFile(filepath.Join(ctx.Dir, "some-file"))
	c.Assert(err, gc.IsNil)
	c.Assert(string(content), gc.Equals, "192.168.0.99\n")
}
开发者ID:jkary，项目名称:core，代码行数:11，代码来源:unit-get_test.go


示例14: TestVersionFlag

func (s *SuperCommandSuite) TestVersionFlag(c *gc.C) {
	jc := cmd.NewSuperCommand(cmd.SuperCommandParams{
		Name:    "jujutest",
		Purpose: "to be purposeful",
		Doc:     "doc\nblah\ndoc",
	})
	testVersionFlagCommand := &testVersionFlagCommand{}
	jc.Register(&cmd.VersionCommand{})
	jc.Register(testVersionFlagCommand)

	var stdout, stderr bytes.Buffer
	ctx := &cmd.Context{
		Stdout: &stdout,
		Stderr: &stderr,
	}

	// baseline: juju version
	code := cmd.Main(jc, ctx, []string{"version"})
	c.Check(code, gc.Equals, 0)
	baselineStderr := stderr.String()
	baselineStdout := stdout.String()
	stderr.Reset()
	stdout.Reset()

	// juju --version output should match that of juju version.
	code = cmd.Main(jc, ctx, []string{"--version"})
	c.Check(code, gc.Equals, 0)
	c.Assert(stderr.String(), gc.Equals, baselineStderr)
	c.Assert(stdout.String(), gc.Equals, baselineStdout)
	stderr.Reset()
	stdout.Reset()

	// juju test --version should update testVersionFlagCommand.version,
	// and there should be no output. The --version flag on the 'test'
	// subcommand has a different type to the "juju --version" flag.
	code = cmd.Main(jc, ctx, []string{"test", "--version=abc.123"})
	c.Check(code, gc.Equals, 0)
	c.Assert(stderr.String(), gc.Equals, "")
	c.Assert(stdout.String(), gc.Equals, "")
	c.Assert(testVersionFlagCommand.version, gc.Equals, "abc.123")
}
开发者ID:jkary，项目名称:core，代码行数:41，代码来源:supercommand_test.go


示例15: TestOutputPath

func (s *RelationGetSuite) TestOutputPath(c *gc.C) {
	hctx := s.GetHookContext(c, 1, "m/0")
	com, err := jujuc.NewCommand(hctx, "relation-get")
	c.Assert(err, gc.IsNil)
	ctx := testing.Context(c)
	code := cmd.Main(com, ctx, []string{"--output", "some-file", "pew"})
	c.Assert(code, gc.Equals, 0)
	c.Assert(bufferString(ctx.Stderr), gc.Equals, "")
	c.Assert(bufferString(ctx.Stdout), gc.Equals, "")
	content, err := ioutil.ReadFile(filepath.Join(ctx.Dir, "some-file"))
	c.Assert(err, gc.IsNil)
	c.Assert(string(content), gc.Equals, "pew\npew\n\n")
}
开发者ID:jkary，项目名称:core，代码行数:13，代码来源:relation-get_test.go


示例16: TestSSHCommandEnvironProxySSH

func (s *SSHSuite) TestSSHCommandEnvironProxySSH(c *gc.C) {
	s.makeMachines(1, c, true)
	// Setting proxy-ssh=false in the environment overrides --proxy.
	err := s.State.UpdateEnvironConfig(map[string]interface{}{"proxy-ssh": false}, nil, nil)
	c.Assert(err, gc.IsNil)
	ctx := coretesting.Context(c)
	jujucmd := cmd.NewSuperCommand(cmd.SuperCommandParams{})
	jujucmd.Register(&SSHCommand{})
	code := cmd.Main(jujucmd, ctx, []string{"ssh", "0"})
	c.Check(code, gc.Equals, 0)
	c.Check(ctx.Stderr.(*bytes.Buffer).String(), gc.Equals, "")
	c.Check(ctx.Stdout.(*bytes.Buffer).String(), gc.Equals, sshArgsNoProxy+"[email protected]\n")
}
开发者ID:jkary，项目名称:core，代码行数:13，代码来源:ssh_test.go


示例17: TestOpenCloseDeprecation

func (s *PortsSuite) TestOpenCloseDeprecation(c *gc.C) {
	hctx := s.GetHookContext(c, -1, "")
	for _, t := range portsFormatDeprectaionTests {
		name := t.cmd[0]
		com, err := jujuc.NewCommand(hctx, name)
		c.Assert(err, gc.IsNil)
		ctx := testing.Context(c)
		code := cmd.Main(com, ctx, t.cmd[1:])
		c.Assert(code, gc.Equals, 0)
		c.Assert(testing.Stdout(ctx), gc.Equals, "")
		c.Assert(testing.Stderr(ctx), gc.Equals, "--format flag deprecated for command \""+name+"\"")
	}
}
开发者ID:jkary，项目名称:core，代码行数:13，代码来源:ports_test.go


示例18: TestOpenClose

func (s *PortsSuite) TestOpenClose(c *gc.C) {
	hctx := s.GetHookContext(c, -1, "")
	for _, t := range portsTests {
		com, err := jujuc.NewCommand(hctx, t.cmd[0])
		c.Assert(err, gc.IsNil)
		ctx := testing.Context(c)
		code := cmd.Main(com, ctx, t.cmd[1:])
		c.Assert(code, gc.Equals, 0)
		c.Assert(bufferString(ctx.Stdout), gc.Equals, "")
		c.Assert(bufferString(ctx.Stderr), gc.Equals, "")
		c.Assert(hctx.ports, gc.DeepEquals, t.expect)
	}
}
开发者ID:jkary，项目名称:core，代码行数:13，代码来源:ports_test.go


示例19: TestMissingCallbackContextWiredIn

func (s *SuperCommandSuite) TestMissingCallbackContextWiredIn(c *gc.C) {
	callback := func(ctx *cmd.Context, subcommand string, args []string) error {
		fmt.Fprintf(ctx.Stdout, "this is std out")
		fmt.Fprintf(ctx.Stderr, "this is std err")
		return nil
	}

	ctx := testing.Context(c)
	code := cmd.Main(NewSuperWithCallback(callback), ctx, []string{"foo", "bar", "baz", "--debug"})
	c.Assert(code, gc.Equals, 0)
	c.Assert(testing.Stdout(ctx), gc.Equals, "this is std out")
	c.Assert(testing.Stderr(ctx), gc.Equals, "this is std err")
}
开发者ID:jkary，项目名称:core，代码行数:13，代码来源:supercommand_test.go


示例20: TestOpenstackLocalMetadataNoMatch

func (s *ValidateImageMetadataSuite) TestOpenstackLocalMetadataNoMatch(c *gc.C) {
	s.makeLocalMetadata(c, "1234", "region-2", "raring", "some-auth-url", "")
	ctx := coretesting.Context(c)
	code := cmd.Main(
		envcmd.Wrap(&ValidateImageMetadataCommand{}), ctx, []string{
			"-p", "openstack", "-s", "precise", "-r", "region-2",
			"-u", "some-auth-url", "-d", s.metadataDir},
	)
	c.Assert(code, gc.Equals, 1)
	errOut := ctx.Stderr.(*bytes.Buffer).String()
	strippedOut := strings.Replace(errOut, "\n", "", -1)
	c.Check(strippedOut, gc.Matches, `.*Resolve Metadata:.*`)
	code = cmd.Main(
		envcmd.Wrap(&ValidateImageMetadataCommand{}), ctx, []string{
			"-p", "openstack", "-s", "raring", "-r", "region-3",
			"-u", "some-auth-url", "-d", s.metadataDir},
	)
	c.Assert(code, gc.Equals, 1)
	errOut = ctx.Stderr.(*bytes.Buffer).String()
	strippedOut = strings.Replace(errOut, "\n", "", -1)
	c.Check(strippedOut, gc.Matches, `.*Resolve Metadata:.*`)
}
开发者ID:jkary，项目名称:core，代码行数:22，代码来源:validateimagemetadata_test.go



注：本文中的github.com/juju/core/cmd.Main函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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