Golang C.Logf方法代码示例

func (s *instanceTypeSuite) TestFindInstanceSpec(c *gc.C) {
	env := s.setupEnvWithDummyMetadata(c)
	for i, t := range findInstanceSpecTests {
		c.Logf("test %d", i)

		cons := constraints.MustParse(t.cons)
		constraints := &instances.InstanceConstraint{
			Region:      "West US",
			Series:      t.series,
			Arches:      []string{"amd64"},
			Constraints: cons,
		}

		// Find a matching instance type and image.
		spec, err := findInstanceSpec(env, constraints)
		c.Assert(err, gc.IsNil)

		// We got the instance type we described in our constraints, and
		// the image returned by (the fake) simplestreams.
		if cons.HasInstanceType() {
			c.Check(spec.InstanceType.Name, gc.Equals, *cons.InstanceType)
		} else {
			c.Check(spec.InstanceType.Name, gc.Equals, t.itype)
		}
		c.Check(spec.Image.Id, gc.Equals, "image-id")
	}
}

func (s *preallocSuite) TestFsAvailSpaceErrors(c *gc.C) {
	tests := []struct {
		desc   string
		output string
		err    string
	}{{
		desc: "result is non-numeric",
		output: `Filesystem     1K-blocks    Used Available Use% Mounted on
    /dev/vda1        8124856 1365292       abc  18% /`,
		err: `strconv.ParseInt: parsing "abc": invalid syntax`,
	}, {
		desc:   "not enough lines",
		output: "abc",
		err:    `could not determine available space on ""`,
	}, {
		desc:   "not enough fields on second line",
		output: "abc\ndef",
		err:    `could not determine available space on ""`,
	}}
	for i, test := range tests {
		c.Logf("test %d: %s", i, test.desc)
		testing.PatchExecutable(c, s, "df", "#!/bin/sh\ncat<<EOF\n"+test.output+"\nEOF")
		_, err := mongo.FsAvailSpace("")
		c.Check(err, gc.ErrorMatches, test.err)
	}
}

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`, "")
}

func (t *LxcSuite) TestPreferFastLXC(c *gc.C) {
	for i, test := range []struct {
		message        string
		releaseVersion string
		expected       bool
	}{{
		message: "missing release file",
	}, {
		message:        "precise release",
		releaseVersion: "12.04",
	}, {
		message:        "trusty release",
		releaseVersion: "14.04",
		expected:       true,
	}, {
		message:        "unstable unicorn",
		releaseVersion: "14.10",
		expected:       true,
	}, {
		message:        "lucid",
		releaseVersion: "10.04",
	}} {
		c.Logf("%v: %v", i, test.message)
		value := lxc.PreferFastLXC(test.releaseVersion)
		c.Assert(value, gc.Equals, test.expected)
	}
}

func (s *syncSuite) TestSyncing(c *gc.C) {
	for i, test := range tests {
		// Perform all tests in a "clean" environment.
		func() {
			s.setUpTest(c)
			defer s.tearDownTest(c)

			c.Logf("test %d: %s", i, test.description)

			if test.source {
				test.ctx.Source = s.localStorage
			}
			if test.version != version.Zero {
				version.Current.Number = test.version
			}
			if test.major > 0 {
				test.ctx.MajorVersion = test.major
				test.ctx.MinorVersion = test.minor
			}
			stor := s.targetEnv.Storage()
			test.ctx.TargetToolsFinder = sync.StorageToolsFinder{stor}
			test.ctx.TargetToolsUploader = sync.StorageToolsUploader{stor, true, false}

			err := sync.SyncTools(test.ctx)
			c.Assert(err, gc.IsNil)

			targetTools, err := envtools.FindTools(
				s.targetEnv, test.ctx.MajorVersion, test.ctx.MinorVersion, coretools.Filter{}, envtools.DoNotAllowRetry)
			c.Assert(err, gc.IsNil)
			assertToolsList(c, targetTools, test.tools)
			assertNoUnexpectedTools(c, s.targetEnv.Storage())
			assertMirrors(c, s.targetEnv.Storage(), test.expectMirrors)
		}()
	}
}

func (*scriptSuite) TestDumpFileOnErrorScript(c *gc.C) {
	tempdir := c.MkDir()
	filename := filepath.Join(tempdir, "log.txt")
	err := ioutil.WriteFile(filename, []byte("abc"), 0644)
	c.Assert(err, gc.IsNil)

	dumpScript := shell.DumpFileOnErrorScript(filename)
	c.Logf("%s", dumpScript)
	run := func(command string) (stdout, stderr string) {
		var stdoutBuf, stderrBuf bytes.Buffer
		cmd := exec.Command("/bin/bash", "-s")
		cmd.Stdin = strings.NewReader(dumpScript + command)
		cmd.Stdout = &stdoutBuf
		cmd.Stderr = &stderrBuf
		cmd.Run()
		return stdoutBuf.String(), stderrBuf.String()
	}

	stdout, stderr := run("exit 0")
	c.Assert(stdout, gc.Equals, "")
	c.Assert(stderr, gc.Equals, "")

	stdout, stderr = run("exit 1")
	c.Assert(stdout, gc.Equals, "")
	c.Assert(stderr, gc.Equals, "abc")

	err = os.Remove(filename)
	c.Assert(err, gc.IsNil)
	stdout, stderr = run("exit 1")
	c.Assert(stdout, gc.Equals, "")
	c.Assert(stderr, gc.Equals, "")
}

func (s *machineSuite) TestMachineIdFormats(c *gc.C) {
	for i, test := range machineIdTests {
		c.Logf("test %d: %q", i, test.pattern)
		c.Assert(names.IsMachine(test.pattern), gc.Equals, test.valid)
		c.Assert(names.IsContainerMachine(test.pattern), gc.Equals, test.container)
	}
}

func (s *SimpleStreamsToolsSuite) TestFindTools(c *gc.C) {
	for i, test := range findToolsTests {
		c.Logf("\ntest %d: %s", i, test.info)
		s.reset(c, nil)
		custom := s.uploadCustom(c, test.custom...)
		public := s.uploadPublic(c, test.public...)
		actual, err := envtools.FindTools(s.env, test.major, test.minor, coretools.Filter{}, envtools.DoNotAllowRetry)
		if test.err != nil {
			if len(actual) > 0 {
				c.Logf(actual.String())
			}
			c.Check(err, jc.Satisfies, errors.IsNotFound)
			continue
		}
		expect := map[version.Binary]string{}
		for _, expected := range test.expect {
			// If the tools exist in custom, that's preferred.
			var ok bool
			if expect[expected], ok = custom[expected]; !ok {
				expect[expected] = public[expected]
			}
		}
		c.Check(actual.URLs(), gc.DeepEquals, expect)
	}
}

func (s *MachineSuite) waitProvisioned(c *gc.C, unit *state.Unit) (*state.Machine, instance.Id) {
	c.Logf("waiting for unit %q to be provisioned", unit)
	machineId, err := unit.AssignedMachineId()
	c.Assert(err, gc.IsNil)
	m, err := s.State.Machine(machineId)
	c.Assert(err, gc.IsNil)
	w := m.Watch()
	defer w.Stop()
	timeout := time.After(coretesting.LongWait)
	for {
		select {
		case <-timeout:
			c.Fatalf("timed out waiting for provisioning")
		case _, ok := <-w.Changes():
			c.Assert(ok, jc.IsTrue)
			err := m.Refresh()
			c.Assert(err, gc.IsNil)
			if instId, err := m.InstanceId(); err == nil {
				c.Logf("unit provisioned with instance %s", instId)
				return m, instId
			} else {
				c.Check(err, jc.Satisfies, state.IsNotProvisionedError)
			}
		}
	}
	panic("watcher died")
}

func (s *storeManagerStateSuite) TestChanged(c *gc.C) {
	collections := map[string]*mgo.Collection{
		"machines":    s.State.machines,
		"units":       s.State.units,
		"services":    s.State.services,
		"relations":   s.State.relations,
		"annotations": s.State.annotations,
		"statuses":    s.State.statuses,
		"constraints": s.State.constraints,
		"settings":    s.State.settings,
	}
	for i, test := range allWatcherChangedTests {
		c.Logf("test %d. %s", i, test.about)
		b := newAllWatcherStateBacking(s.State)
		all := multiwatcher.NewStore()
		for _, info := range test.add {
			all.Update(info)
		}
		test.setUp(c, s.State)
		c.Logf("done set up")
		ch := test.change
		ch.C = collections[ch.C].Name
		err := b.Changed(all, test.change)
		c.Assert(err, gc.IsNil)
		assertEntitiesEqual(c, all.All(), test.expectContents)
		s.Reset(c)
	}
}

func (*suite) TestInvalidConfig(c *gc.C) {
	for i, t := range invalidConfigTests {
		c.Logf("running test %v", i)
		_, err := environs.ReadEnvironsBytes([]byte(t.env))
		c.Check(err, gc.ErrorMatches, t.err)
	}
}

func (*suite) TestParseBinary(c *gc.C) {
	parseBinaryTests := []struct {
		v      string
		err    string
		expect version.Binary
	}{{
		v:      "1.2.3-a-b",
		expect: binaryVersion(1, 2, 3, 0, "", "a", "b"),
	}, {
		v:      "1.2.3.4-a-b",
		expect: binaryVersion(1, 2, 3, 4, "", "a", "b"),
	}, {
		v:      "1.2-alpha3-a-b",
		expect: binaryVersion(1, 2, 3, 0, "alpha", "a", "b"),
	}, {
		v:      "1.2-alpha3.4-a-b",
		expect: binaryVersion(1, 2, 3, 4, "alpha", "a", "b"),
	}, {
		v:   "1.2.3",
		err: "invalid binary version.*",
	}, {
		v:   "1.2-beta1",
		err: "invalid binary version.*",
	}, {
		v:   "1.2.3--b",
		err: "invalid binary version.*",
	}, {
		v:   "1.2.3-a-",
		err: "invalid binary version.*",
	}}

	for i, test := range parseBinaryTests {
		c.Logf("test 1: %d", i)
		got, err := version.ParseBinary(test.v)
		if test.err != "" {
			c.Assert(err, gc.ErrorMatches, test.err)
		} else {
			c.Assert(err, gc.IsNil)
			c.Assert(got, gc.Equals, test.expect)
		}
	}

	for i, test := range parseTests {
		c.Logf("test 2: %d", i)
		v := test.v + "-a-b"
		got, err := version.ParseBinary(v)
		expect := version.Binary{
			Number: test.expect,
			Series: "a",
			Arch:   "b",
		}
		if test.err != "" {
			c.Assert(err, gc.ErrorMatches, strings.Replace(test.err, "version", "binary version", 1))
		} else {
			c.Assert(err, gc.IsNil)
			c.Assert(got, gc.Equals, expect)
			c.Check(got.IsDev(), gc.Equals, test.dev)
		}
	}
}

func (s *DeploySuite) TestInitErrors(c *gc.C) {
	for i, t := range initErrorTests {
		c.Logf("test %d", i)
		err := coretesting.InitCommand(envcmd.Wrap(&DeployCommand{}), t.args)
		c.Assert(err, gc.ErrorMatches, t.err)
	}
}

func (s *clientSuite) TestShareEnvironmentExistingUser(c *gc.C) {
	client := s.APIState.Client()
	user := s.Factory.MakeEnvUser(c, nil)
	cleanup := api.PatchClientFacadeCall(client,
		func(request string, paramsIn interface{}, response interface{}) error {
			if users, ok := paramsIn.(params.ModifyEnvironUsers); ok {
				c.Assert(users.Changes, gc.HasLen, 1)
				c.Logf(string(users.Changes[0].Action), gc.Equals, string(params.AddEnvUser))
				c.Logf(users.Changes[0].UserTag, gc.Equals, user.UserTag().String())
			} else {
				c.Fatalf("wrong input structure")
			}
			if result, ok := response.(*params.ErrorResults); ok {
				err := &params.Error{Message: "failed to create environment user: env user already exists"}
				*result = params.ErrorResults{Results: []params.ErrorResult{{Error: err}}}
			} else {
				c.Fatalf("wrong input structure")
			}
			return nil
		},
	)
	defer cleanup()

	result, err := client.ShareEnvironment([]names.UserTag{user.UserTag()})
	c.Assert(err, gc.IsNil)
	c.Assert(result.OneError().Error(), gc.Matches, "failed to create environment user: env user already exists")
	c.Assert(result.Results, gc.HasLen, 1)
	c.Assert(result.Results[0].Error, gc.ErrorMatches, `failed to create environment user: env user already exists`)
}

func (s *ConstraintsSuite) TestHasContainer(c *gc.C) {
	for i, t := range hasContainerTests {
		c.Logf("test %d", i)
		cons := constraints.MustParse(t.constraints)
		c.Check(cons.HasContainer(), gc.Equals, t.hasContainer)
	}
}