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Diffstat (limited to 'vendor/golang.org/x/crypto/ssh/terminal/terminal_test.go')
-rw-r--r--vendor/golang.org/x/crypto/ssh/terminal/terminal_test.go350
1 files changed, 350 insertions, 0 deletions
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)
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-19 02:24:23 +0000