From f85e0d461fe80fe929eb5d82d9fec07eff810a93 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Sun, 16 Jul 2017 22:38:45 +0200 Subject: Add vendor --- .../x/crypto/ssh/terminal/terminal_test.go | 350 +++++++++++++++++++++ 1 file changed, 350 insertions(+) create mode 100644 vendor/golang.org/x/crypto/ssh/terminal/terminal_test.go (limited to 'vendor/golang.org/x/crypto/ssh/terminal/terminal_test.go') diff --git a/vendor/golang.org/x/crypto/ssh/terminal/terminal_test.go b/vendor/golang.org/x/crypto/ssh/terminal/terminal_test.go new file mode 100644 index 0000000..901c72a --- /dev/null +++ b/vendor/golang.org/x/crypto/ssh/terminal/terminal_test.go @@ -0,0 +1,350 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package terminal + +import ( + "bytes" + "io" + "os" + "testing" +) + +type MockTerminal struct { + toSend []byte + bytesPerRead int + received []byte +} + +func (c *MockTerminal) Read(data []byte) (n int, err error) { + n = len(data) + if n == 0 { + return + } + if n > len(c.toSend) { + n = len(c.toSend) + } + if n == 0 { + return 0, io.EOF + } + if c.bytesPerRead > 0 && n > c.bytesPerRead { + n = c.bytesPerRead + } + copy(data, c.toSend[:n]) + c.toSend = c.toSend[n:] + return +} + +func (c *MockTerminal) Write(data []byte) (n int, err error) { + c.received = append(c.received, data...) + return len(data), nil +} + +func TestClose(t *testing.T) { + c := &MockTerminal{} + ss := NewTerminal(c, "> ") + line, err := ss.ReadLine() + if line != "" { + t.Errorf("Expected empty line but got: %s", line) + } + if err != io.EOF { + t.Errorf("Error should have been EOF but got: %s", err) + } +} + +var keyPressTests = []struct { + in string + line string + err error + throwAwayLines int +}{ + { + err: io.EOF, + }, + { + in: "\r", + line: "", + }, + { + in: "foo\r", + line: "foo", + }, + { + in: "a\x1b[Cb\r", // right + line: "ab", + }, + { + in: "a\x1b[Db\r", // left + line: "ba", + }, + { + in: "a\177b\r", // backspace + line: "b", + }, + { + in: "\x1b[A\r", // up + }, + { + in: "\x1b[B\r", // down + }, + { + in: "line\x1b[A\x1b[B\r", // up then down + line: "line", + }, + { + in: "line1\rline2\x1b[A\r", // recall previous line. + line: "line1", + throwAwayLines: 1, + }, + { + // recall two previous lines and append. + in: "line1\rline2\rline3\x1b[A\x1b[Axxx\r", + line: "line1xxx", + throwAwayLines: 2, + }, + { + // Ctrl-A to move to beginning of line followed by ^K to kill + // line. + in: "a b \001\013\r", + line: "", + }, + { + // Ctrl-A to move to beginning of line, Ctrl-E to move to end, + // finally ^K to kill nothing. + in: "a b \001\005\013\r", + line: "a b ", + }, + { + in: "\027\r", + line: "", + }, + { + in: "a\027\r", + line: "", + }, + { + in: "a \027\r", + line: "", + }, + { + in: "a b\027\r", + line: "a ", + }, + { + in: "a b \027\r", + line: "a ", + }, + { + in: "one two thr\x1b[D\027\r", + line: "one two r", + }, + { + in: "\013\r", + line: "", + }, + { + in: "a\013\r", + line: "a", + }, + { + in: "ab\x1b[D\013\r", + line: "a", + }, + { + in: "Ξεσκεπάζω\r", + line: "Ξεσκεπάζω", + }, + { + in: "£\r\x1b[A\177\r", // non-ASCII char, enter, up, backspace. + line: "", + throwAwayLines: 1, + }, + { + in: "£\r££\x1b[A\x1b[B\177\r", // non-ASCII char, enter, 2x non-ASCII, up, down, backspace, enter. + line: "£", + throwAwayLines: 1, + }, + { + // Ctrl-D at the end of the line should be ignored. + in: "a\004\r", + line: "a", + }, + { + // a, b, left, Ctrl-D should erase the b. + in: "ab\x1b[D\004\r", + line: "a", + }, + { + // a, b, c, d, left, left, ^U should erase to the beginning of + // the line. + in: "abcd\x1b[D\x1b[D\025\r", + line: "cd", + }, + { + // Bracketed paste mode: control sequences should be returned + // verbatim in paste mode. + in: "abc\x1b[200~de\177f\x1b[201~\177\r", + line: "abcde\177", + }, + { + // Enter in bracketed paste mode should still work. + in: "abc\x1b[200~d\refg\x1b[201~h\r", + line: "efgh", + throwAwayLines: 1, + }, + { + // Lines consisting entirely of pasted data should be indicated as such. + in: "\x1b[200~a\r", + line: "a", + err: ErrPasteIndicator, + }, +} + +func TestKeyPresses(t *testing.T) { + for i, test := range keyPressTests { + for j := 1; j < len(test.in); j++ { + c := &MockTerminal{ + toSend: []byte(test.in), + bytesPerRead: j, + } + ss := NewTerminal(c, "> ") + for k := 0; k < test.throwAwayLines; k++ { + _, err := ss.ReadLine() + if err != nil { + t.Errorf("Throwaway line %d from test %d resulted in error: %s", k, i, err) + } + } + line, err := ss.ReadLine() + if line != test.line { + t.Errorf("Line resulting from test %d (%d bytes per read) was '%s', expected '%s'", i, j, line, test.line) + break + } + if err != test.err { + t.Errorf("Error resulting from test %d (%d bytes per read) was '%v', expected '%v'", i, j, err, test.err) + break + } + } + } +} + +func TestPasswordNotSaved(t *testing.T) { + c := &MockTerminal{ + toSend: []byte("password\r\x1b[A\r"), + bytesPerRead: 1, + } + ss := NewTerminal(c, "> ") + pw, _ := ss.ReadPassword("> ") + if pw != "password" { + t.Fatalf("failed to read password, got %s", pw) + } + line, _ := ss.ReadLine() + if len(line) > 0 { + t.Fatalf("password was saved in history") + } +} + +var setSizeTests = []struct { + width, height int +}{ + {40, 13}, + {80, 24}, + {132, 43}, +} + +func TestTerminalSetSize(t *testing.T) { + for _, setSize := range setSizeTests { + c := &MockTerminal{ + toSend: []byte("password\r\x1b[A\r"), + bytesPerRead: 1, + } + ss := NewTerminal(c, "> ") + ss.SetSize(setSize.width, setSize.height) + pw, _ := ss.ReadPassword("Password: ") + if pw != "password" { + t.Fatalf("failed to read password, got %s", pw) + } + if string(c.received) != "Password: \r\n" { + t.Errorf("failed to set the temporary prompt expected %q, got %q", "Password: ", c.received) + } + } +} + +func TestReadPasswordLineEnd(t *testing.T) { + var tests = []struct { + input string + want string + }{ + {"\n", ""}, + {"\r\n", ""}, + {"test\r\n", "test"}, + {"testtesttesttes\n", "testtesttesttes"}, + {"testtesttesttes\r\n", "testtesttesttes"}, + {"testtesttesttesttest\n", "testtesttesttesttest"}, + {"testtesttesttesttest\r\n", "testtesttesttesttest"}, + } + for _, test := range tests { + buf := new(bytes.Buffer) + if _, err := buf.WriteString(test.input); err != nil { + t.Fatal(err) + } + + have, err := readPasswordLine(buf) + if err != nil { + t.Errorf("readPasswordLine(%q) failed: %v", test.input, err) + continue + } + if string(have) != test.want { + t.Errorf("readPasswordLine(%q) returns %q, but %q is expected", test.input, string(have), test.want) + continue + } + + if _, err = buf.WriteString(test.input); err != nil { + t.Fatal(err) + } + have, err = readPasswordLine(buf) + if err != nil { + t.Errorf("readPasswordLine(%q) failed: %v", test.input, err) + continue + } + if string(have) != test.want { + t.Errorf("readPasswordLine(%q) returns %q, but %q is expected", test.input, string(have), test.want) + continue + } + } +} + +func TestMakeRawState(t *testing.T) { + fd := int(os.Stdout.Fd()) + if !IsTerminal(fd) { + t.Skip("stdout is not a terminal; skipping test") + } + + st, err := GetState(fd) + if err != nil { + t.Fatalf("failed to get terminal state from GetState: %s", err) + } + defer Restore(fd, st) + raw, err := MakeRaw(fd) + if err != nil { + t.Fatalf("failed to get terminal state from MakeRaw: %s", err) + } + + if *st != *raw { + t.Errorf("states do not match; was %v, expected %v", raw, st) + } +} + +func TestOutputNewlines(t *testing.T) { + // \n should be changed to \r\n in terminal output. + buf := new(bytes.Buffer) + term := NewTerminal(buf, ">") + + term.Write([]byte("1\n2\n")) + output := string(buf.Bytes()) + const expected = "1\r\n2\r\n" + + if output != expected { + t.Errorf("incorrect output: was %q, expected %q", output, expected) + } +} -- cgit v1.2.3