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package goagi |
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import ( |
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"bytes" |
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"io" |
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"io/ioutil" |
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"log" |
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"net" |
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"os" |
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"strings" |
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"testing" |
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"time" |
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"github.com/stretchr/testify/assert" |
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) |
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type stubReader struct { |
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io.Reader |
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tout int64 |
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} |
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func (r *stubReader) SetReadDeadline(t time.Time) error { |
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r.tout = t.Sub(time.Now()).Milliseconds() |
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return nil |
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} |
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type stubWriter struct { |
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io.Writer |
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tout int64 |
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} |
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func (w *stubWriter) SetWriteDeadline(t time.Time) error { |
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w.tout = t.Sub(time.Now()).Milliseconds() |
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return nil |
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} |
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var agiSetupInput = []string{ |
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"agi_network: yes", |
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"agi_network_script: foo?", |
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"agi_request: agi://127.0.0.1/foo?", |
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"agi_channel: SIP/2222@default-00000023", |
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"agi_language: en", |
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"agi_type: SIP", |
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"agi_uniqueid: 1397044468.0", |
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"agi_version: 0.1", |
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"agi_callerid: 5001", |
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"agi_calleridname: Alice", |
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"agi_callingpres: 67", |
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"agi_callingani2: 0", |
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"agi_callington: 0", |
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"agi_callingtns: 0", |
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"agi_dnid: 123456", |
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"agi_rdnis: unknown", |
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"agi_context: default", |
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"agi_extension: 2222", |
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"agi_priority: 1", |
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"agi_enhanced: 0.0", |
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"agi_accountcode: 0", |
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"agi_threadid: 140536028174080", |
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"agi_arg_1: argument1", |
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"agi_arg_2: argument2", |
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} |
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func TestNew(t *testing.T) { |
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input := strings.Join(agiSetupInput, "\n") |
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input += "\n\n" |
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logBuffer := new(bytes.Buffer) |
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logger := log.New(logBuffer, "agi: ", log.Lmicroseconds) |
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reader := &stubReader{strings.NewReader(input), 0} |
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writer := &stubWriter{ioutil.Discard, 0} |
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agi, err := New(reader, writer, logger) |
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assert.Nil(t, err) |
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assert.Equal(t, "SIP/2222@default-00000023", agi.Env("channel")) |
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assert.Equal(t, "2222", agi.Env("extension")) |
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assert.Empty(t, agi.Env("invalid_name")) |
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assert.Equal(t, 2, len(agi.EnvArgs())) |
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assert.Contains(t, logBuffer.String(), "agi_network: yes") |
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assert.Contains(t, logBuffer.String(), "agi_threadid: 140536028174080") |
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} |
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func TestNewFail(t *testing.T) { |
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reader, writer, err := os.Pipe() |
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assert.Nil(t, err) |
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reader.Close() |
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agi, err := New(reader, writer, nil) |
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assert.Nil(t, agi) |
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assert.NotNil(t, err) |
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assert.Contains(t, err.Error(), "closed") |
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} |
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func TestNewIOPipe(t *testing.T) { |
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reader, writer, err := os.Pipe() |
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assert.Nil(t, err) |
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input := strings.Join(agiSetupInput, "\n") |
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input += "\n\n" |
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writer.WriteString(input) |
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agi, err := New(reader, writer, nil) |
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assert.Nil(t, err) |
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assert.Equal(t, "2222", agi.Env("extension")) |
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assert.Equal(t, 2, len(agi.EnvArgs())) |
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} |
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func TestNewNetPipe(t *testing.T) { |
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reader, writer := net.Pipe() |
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input := strings.Join(agiSetupInput, "\n") |
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input += "\n\n" |
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go writer.Write([]byte(input)) |
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agi, err := New(reader, writer, nil) |
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assert.Nil(t, err) |
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assert.Equal(t, "2222", agi.Env("extension")) |
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assert.Equal(t, 2, len(agi.EnvArgs())) |
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} |
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func TestSessionInitTimeout(t *testing.T) { |
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stdin, writer, err := os.Pipe() |
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assert.Nil(t, err) |
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agi := &AGI{reader: stdin} |
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input := strings.Join(agiSetupInput, "\n") |
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// write without terminating \n to simulate timeout |
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writer.WriteString(input) |
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_, err = agi.sessionInit() |
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assert.NotNil(t, err) |
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assert.Contains(t, err.Error(), "timeout") |
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} |
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func TestSessionInitDeviceFail(t *testing.T) { |
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stdin, _, err := os.Pipe() |
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assert.Nil(t, err) |
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agi := &AGI{reader: stdin} |
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stdin.Close() |
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_, err = agi.sessionInit() |
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assert.NotNil(t, err) |
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assert.Contains(t, err.Error(), "closed") |
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} |
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func TestReadResponse(t *testing.T) { |
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tests := []struct { |
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input string |
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code int |
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ishup bool |
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}{ |
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{"100 result=0 Trying...\n", codeEarly, false}, |
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{"200 result=1\n", codeSucc, false}, |
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{"503 result=-2 Memory allocation failure\n", codeE503, false}, |
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{"510 Invalid or unknown command\n", codeE510, false}, |
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{"511 Command Not Premitted\n", codeE511, false}, |
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{"520 Invalid command syntax.\n", codeE520, false}, |
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} |
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// run tests |
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for _, test := range tests { |
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reader := &stubReader{strings.NewReader(test.input), 0} |
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agi := &AGI{reader: reader} |
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res, code, err := agi.read(0) |
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assert.Nil(t, err, test.input) |
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assert.Equal(t, test.input, res) |
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assert.Equal(t, test.code, code, test.input) |
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assert.Equal(t, test.ishup, agi.isHUP, test.input) |
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} |
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} |
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func TestReadResponseWithHangup(t *testing.T) { |
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reader := &stubReader{strings.NewReader("HANGUP\n200 result=1\n"), 0} |
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agi := &AGI{reader: reader} |
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res, code, err := agi.read(0) |
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assert.Nil(t, err) |
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assert.Equal(t, "200 result=1\n", res) |
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assert.Equal(t, codeSucc, code) |
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assert.True(t, agi.isHUP) |
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} |
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func TestReadResponseLongError520(t *testing.T) { |
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input := "HANGUP\n520-Invalid command syntax. Proper usage follows:\n" + |
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"Usage: DATABASE GET\n" + |
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"Retrieves an entry in the Asterisk database for a\n" + |
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"given family and key.\n" + |
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"Returns 0 if is not set. Returns 1 if \n" + |
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"is set and returns the variable in parentheses.\n" + |
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"Example return code: 200 result=1 (testvariable)\n" + |
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"520 End of proper usage.\n" |
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reader := &stubReader{strings.NewReader(input), 0} |
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agi := &AGI{reader: reader} |
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res, code, err := agi.read(0) |
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assert.Nil(t, err) |
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assert.Equal(t, input[7:], res) |
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assert.Equal(t, codeE520, code) |
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assert.True(t, agi.isHUP) |
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} |
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func TestReadResponseGarbage(t *testing.T) { |
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tests := []string{ |
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"Usage: DATABASE GET\n" + |
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"Retrieves an entry in the Asterisk database for a\n" + |
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"given family and key.\n" + |
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"Returns 0 if is not set. Returns 1 if \n" + |
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"is set and returns the variable in parentheses.\n" + |
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"Example return code: 200 result=1 (testvariable)\n" + |
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"520 End of proper usage.\n", |
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"\n", // empty string |
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"2222222\n", |
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"-1 result=4\n", |
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"780 result=0\n", |
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} |
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for _, input := range tests { |
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reader := &stubReader{strings.NewReader(input), 0} |
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agi := &AGI{reader: reader} |
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_, code, err := agi.read(0) |
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assert.NotNil(t, err) |
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assert.Contains(t, err.Error(), "Invalid input") |
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assert.Zero(t, code) |
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} |
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} |
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func TestReadResponseFail(t *testing.T) { |
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stdin, _, err := os.Pipe() |
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assert.Nil(t, err) |
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agi := &AGI{reader: stdin} |
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stdin.Close() |
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_, _, err = agi.read(0) |
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assert.NotNil(t, err) |
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assert.Contains(t, err.Error(), "closed") |
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} |
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func TestReadResponseTimeout(t *testing.T) { |
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stdin, writer, err := os.Pipe() |
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assert.Nil(t, err) |
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agi := &AGI{reader: stdin} |
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// write without terminating \n to simulate timeout |
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writer.WriteString("foo bar") |
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_, _, err = agi.read(time.Millisecond * 100) |
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assert.NotNil(t, err) |
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assert.Contains(t, err.Error(), "timeout") |
241
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242
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writer.WriteString("HANGUP\nfoo bar") |
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_, _, err = agi.read(time.Millisecond * 100) |
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assert.NotNil(t, err) |
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assert.Contains(t, err.Error(), "timeout") |
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247
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stdin.Close() |
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_, _, err = agi.read(time.Millisecond * 100) |
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assert.NotNil(t, err) |
250
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assert.Contains(t, err.Error(), "closed") |
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} |
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253
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func TestWriteStdIO(t *testing.T) { |
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reader, writer, err := os.Pipe() |
255
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assert.Nil(t, err) |
256
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agi := &AGI{writer: writer} |
257
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258
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err = agi.write([]byte("NOOP\n")) |
259
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assert.Nil(t, err) |
260
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261
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buf := make([]byte, 32) |
262
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n, _ := reader.Read(buf) |
263
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assert.Equal(t, "NOOP\n", string(buf[:n])) |
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} |
265
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266
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func TestWriteNetConn(t *testing.T) { |
267
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reader, writer := net.Pipe() |
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269
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agi := &AGI{writer: writer} |
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271
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go func() { |
272
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agi.write([]byte("ANSWER\n")) |
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writer.Close() |
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}() |
275
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276
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buf, _ := ioutil.ReadAll(reader) |
277
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assert.Equal(t, "ANSWER\n", string(buf)) |
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} |
279
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280
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func TestWriteTimeout(t *testing.T) { |
281
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_, writer := net.Pipe() |
282
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agi := &AGI{writer: writer, rwtout: time.Millisecond * 100} |
283
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284
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err := agi.write([]byte("NOOP\n")) |
285
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assert.NotNil(t, err) |
286
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assert.Contains(t, err.Error(), "timeout") |
287
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} |
288
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289
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func TestWriteFailSetTimeout(t *testing.T) { |
290
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_, writer := net.Pipe() |
291
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agi := &AGI{writer: writer, rwtout: time.Millisecond * 100} |
292
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293
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writer.Close() |
294
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err := agi.write([]byte("NOOP\n")) |
295
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assert.NotNil(t, err) |
296
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assert.Contains(t, err.Error(), "closed") |
297
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} |
298
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299
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func TestWriteFail(t *testing.T) { |
300
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reader, writer, err := os.Pipe() |
301
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assert.Nil(t, err) |
302
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agi := &AGI{writer: writer} |
303
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304
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reader.Close() |
305
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err = agi.write([]byte("HANGUP\n")) |
306
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assert.NotNil(t, err) |
307
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assert.Contains(t, err.Error(), "broken pipe") |
308
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} |
309
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310
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func TestExecute(t *testing.T) { |
311
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buf, reader, writer := stubReaderWriter("200 result=1") |
312
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agi := &AGI{reader: reader, writer: writer, rwtout: rwDefaultTimeout * 5} |
313
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resp, err := agi.execute("NOOP\n", true) |
314
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assert.Nil(t, err) |
315
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assert.Equal(t, "NOOP\n", buf.String()) |
316
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assert.Equal(t, 200, resp.Code()) |
317
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assert.Equal(t, 1, resp.Result()) |
318
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assert.True(t, reader.tout > 4000) |
319
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assert.True(t, writer.tout > 4000) |
320
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321
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resp, err = agi.execute("HANGUP\n", false) |
322
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assert.NotNil(t, err) |
323
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assert.Nil(t, resp) |
324
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325
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_, wr := net.Pipe() |
326
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agi.writer = wr |
327
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wr.Close() |
328
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resp, err = agi.execute("HANGUP\n", false) |
329
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assert.NotNil(t, err) |
330
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assert.Contains(t, err.Error(), "closed") |
331
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} |
332
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333
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func TestAGI(t *testing.T) { |
334
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} |
335
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