Golang assert.Error函数代码示例

func TestAutoAcceptOptionSetConflict(t *testing.T) {
	opt := NewAutoAcceptOption()
	assert.NilError(t, opt.Set("manager"))
	assert.Error(t, opt.Set("none"), "value NONE is incompatible with MANAGER")

	opt = NewAutoAcceptOption()
	assert.NilError(t, opt.Set("none"))
	assert.Error(t, opt.Set("worker"), "value NONE is incompatible with WORKER")
}

func TestAutoAcceptOptionSetConflict(t *testing.T) {
	opt := NewAutoAcceptOption()
	assert.Error(t, opt.Set("none,manager"), "value NONE cannot be specified alongside other node types")

	opt = NewAutoAcceptOption()
	assert.Error(t, opt.Set("none,worker"), "value NONE cannot be specified alongside other node types")

	opt = NewAutoAcceptOption()
	assert.Error(t, opt.Set("worker,none,manager"), "value NONE cannot be specified alongside other node types")

	opt = NewAutoAcceptOption()
	assert.Error(t, opt.Set("worker,manager,none"), "value NONE cannot be specified alongside other node types")
}

func TestExitStatusForInvalidSubcommandWithHelpFlag(t *testing.T) {
	discard := ioutil.Discard
	cmd := newDockerCommand(command.NewDockerCli(os.Stdin, discard, discard))
	cmd.SetArgs([]string{"help", "invalid"})
	err := cmd.Execute()
	assert.Error(t, err, "unknown help topic: invalid")
}

func TestExternalCAOptionErrors(t *testing.T) {
	testCases := []struct {
		externalCA    string
		expectedError string
	}{
		{
			externalCA:    "",
			expectedError: "EOF",
		},
		{
			externalCA:    "anything",
			expectedError: "invalid field 'anything' must be a key=value pair",
		},
		{
			externalCA:    "foo=bar",
			expectedError: "the external-ca option needs a protocol= parameter",
		},
		{
			externalCA:    "protocol=baz",
			expectedError: "unrecognized external CA protocol baz",
		},
		{
			externalCA:    "protocol=cfssl",
			expectedError: "the external-ca option needs a url= parameter",
		},
	}
	for _, tc := range testCases {
		opt := &ExternalCAOption{}
		assert.Error(t, opt.Set(tc.externalCA), tc.expectedError)
	}
}

func TestDaemonCommand(t *testing.T) {
	cmd := newDaemonCommand()
	cmd.SetArgs([]string{"--help"})
	err := cmd.Execute()

	assert.Error(t, err, "Please run `dockerd`")
}

func TestNodeRemoveErrors(t *testing.T) {
	testCases := []struct {
		args           []string
		nodeRemoveFunc func() error
		expectedError  string
	}{
		{
			expectedError: "requires at least 1 argument",
		},
		{
			args: []string{"nodeID"},
			nodeRemoveFunc: func() error {
				return fmt.Errorf("error removing the node")
			},
			expectedError: "error removing the node",
		},
	}
	for _, tc := range testCases {
		buf := new(bytes.Buffer)
		cmd := newRemoveCommand(
			test.NewFakeCli(&fakeClient{
				nodeRemoveFunc: tc.nodeRemoveFunc,
			}, buf))
		cmd.SetArgs(tc.args)
		cmd.SetOutput(ioutil.Discard)
		assert.Error(t, cmd.Execute(), tc.expectedError)
	}
}

func TestSwarmLeaveErrors(t *testing.T) {
	testCases := []struct {
		name           string
		args           []string
		swarmLeaveFunc func() error
		expectedError  string
	}{
		{
			name:          "too-many-args",
			args:          []string{"foo"},
			expectedError: "accepts no argument(s)",
		},
		{
			name: "leave-failed",
			swarmLeaveFunc: func() error {
				return fmt.Errorf("error leaving the swarm")
			},
			expectedError: "error leaving the swarm",
		},
	}
	for _, tc := range testCases {
		buf := new(bytes.Buffer)
		cmd := newLeaveCommand(
			test.NewFakeCli(&fakeClient{
				swarmLeaveFunc: tc.swarmLeaveFunc,
			}, buf))
		cmd.SetArgs(tc.args)
		cmd.SetOutput(ioutil.Discard)
		assert.Error(t, cmd.Execute(), tc.expectedError)
	}
}

func TestConvertHealthcheckDisableWithTest(t *testing.T) {
	source := &composetypes.HealthCheckConfig{
		Disable: true,
		Test:    []string{"EXEC", "touch"},
	}
	_, err := convertHealthcheck(source)
	assert.Error(t, err, "test and disable can't be set")
}

func TestHealthCheckOptionsToHealthConfigConflict(t *testing.T) {
	opt := healthCheckOptions{
		cmd:           "curl",
		noHealthcheck: true,
	}
	_, err := opt.toHealthConfig()
	assert.Error(t, err, "--no-healthcheck conflicts with --health-* options")
}

func TestConvertVolumeToMountInvalidFormat(t *testing.T) {
	namespace := NewNamespace("foo")
	invalids := []string{"::", "::cc", ":bb:", "aa::", "aa::cc", "aa:bb:", " : : ", " : :cc", " :bb: ", "aa: : ", "aa: :cc", "aa:bb: "}
	for _, vol := range invalids {
		_, err := convertVolumeToMount(vol, volumes{}, namespace)
		assert.Error(t, err, "invalid volume: "+vol)
	}
}

func TestUpdateDNSConfig(t *testing.T) {
	flags := newUpdateCommand(nil).Flags()

	// IPv4, with duplicates
	flags.Set("dns-add", "1.1.1.1")
	flags.Set("dns-add", "1.1.1.1")
	flags.Set("dns-add", "2.2.2.2")
	flags.Set("dns-rm", "3.3.3.3")
	flags.Set("dns-rm", "2.2.2.2")
	// IPv6
	flags.Set("dns-add", "2001:db8:abc8::1")
	// Invalid dns record
	assert.Error(t, flags.Set("dns-add", "x.y.z.w"), "x.y.z.w is not an ip address")

	// domains with duplicates
	flags.Set("dns-search-add", "example.com")
	flags.Set("dns-search-add", "example.com")
	flags.Set("dns-search-add", "example.org")
	flags.Set("dns-search-rm", "example.org")
	// Invalid dns search domain
	assert.Error(t, flags.Set("dns-search-add", "example$com"), "example$com is not a valid domain")

	flags.Set("dns-option-add", "ndots:9")
	flags.Set("dns-option-rm", "timeout:3")

	config := &swarm.DNSConfig{
		Nameservers: []string{"3.3.3.3", "5.5.5.5"},
		Search:      []string{"localdomain"},
		Options:     []string{"timeout:3"},
	}

	updateDNSConfig(flags, &config)

	assert.Equal(t, len(config.Nameservers), 3)
	assert.Equal(t, config.Nameservers[0], "1.1.1.1")
	assert.Equal(t, config.Nameservers[1], "2001:db8:abc8::1")
	assert.Equal(t, config.Nameservers[2], "5.5.5.5")

	assert.Equal(t, len(config.Search), 2)
	assert.Equal(t, config.Search[0], "example.com")
	assert.Equal(t, config.Search[1], "localdomain")

	assert.Equal(t, len(config.Options), 1)
	assert.Equal(t, config.Options[0], "ndots:9")
}

func TestLoadFileSyntaxError(t *testing.T) {
	reader := strings.NewReader(`{
		"Version": "0.1",
		"Services": unquoted string
	}`)

	_, err := LoadFile(reader)
	assert.Error(t, err, "syntax error at byte 37: invalid character 'u'")
}

func TestNodeUpdateErrors(t *testing.T) {
	testCases := []struct {
		args            []string
		flags           map[string]string
		nodeInspectFunc func() (swarm.Node, []byte, error)
		nodeUpdateFunc  func(nodeID string, version swarm.Version, node swarm.NodeSpec) error
		expectedError   string
	}{
		{
			expectedError: "requires exactly 1 argument",
		},
		{
			args:          []string{"node1", "node2"},
			expectedError: "requires exactly 1 argument",
		},
		{
			args: []string{"nodeID"},
			nodeInspectFunc: func() (swarm.Node, []byte, error) {
				return swarm.Node{}, []byte{}, fmt.Errorf("error inspecting the node")
			},
			expectedError: "error inspecting the node",
		},
		{
			args: []string{"nodeID"},
			nodeUpdateFunc: func(nodeID string, version swarm.Version, node swarm.NodeSpec) error {
				return fmt.Errorf("error updating the node")
			},
			expectedError: "error updating the node",
		},
		{
			args: []string{"nodeID"},
			nodeInspectFunc: func() (swarm.Node, []byte, error) {
				return *Node(NodeLabels(map[string]string{
					"key": "value",
				})), []byte{}, nil
			},
			flags: map[string]string{
				"label-rm": "notpresent",
			},
			expectedError: "key notpresent doesn't exist in node's labels",
		},
	}
	for _, tc := range testCases {
		buf := new(bytes.Buffer)
		cmd := newUpdateCommand(
			test.NewFakeCli(&fakeClient{
				nodeInspectFunc: tc.nodeInspectFunc,
				nodeUpdateFunc:  tc.nodeUpdateFunc,
			}, buf))
		cmd.SetArgs(tc.args)
		for key, value := range tc.flags {
			cmd.Flags().Set(key, value)
		}
		cmd.SetOutput(ioutil.Discard)
		assert.Error(t, cmd.Execute(), tc.expectedError)
	}
}

func TestFindConfigurationConflicts(t *testing.T) {
	config := map[string]interface{}{"authorization-plugins": "foobar"}
	flags := pflag.NewFlagSet("test", pflag.ContinueOnError)

	flags.String("authorization-plugins", "", "")
	assert.NilError(t, flags.Set("authorization-plugins", "asdf"))

	assert.Error(t,
		findConfigurationConflicts(config, flags),
		"authorization-plugins: (from flag: asdf, from file: foobar)")
}

func TestContainersPruneError(t *testing.T) {
	client := &Client{
		client:  newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
		version: "1.25",
	}

	filters := filters.NewArgs()

	_, err := client.ContainersPrune(context.Background(), filters)
	assert.Error(t, err, "Error response from daemon: Server error")
}