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-rw-r--r--tests/test_inputstream.py139
1 files changed, 139 insertions, 0 deletions
diff --git a/tests/test_inputstream.py b/tests/test_inputstream.py
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+++ b/tests/test_inputstream.py
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+import pytest
+
+from prompt_toolkit.input.vt100_parser import Vt100Parser
+from prompt_toolkit.keys import Keys
+
+
+class _ProcessorMock:
+ def __init__(self):
+ self.keys = []
+
+ def feed_key(self, key_press):
+ self.keys.append(key_press)
+
+
+@pytest.fixture
+def processor():
+ return _ProcessorMock()
+
+
+@pytest.fixture
+def stream(processor):
+ return Vt100Parser(processor.feed_key)
+
+
+def test_control_keys(processor, stream):
+ stream.feed("\x01\x02\x10")
+
+ assert len(processor.keys) == 3
+ assert processor.keys[0].key == Keys.ControlA
+ assert processor.keys[1].key == Keys.ControlB
+ assert processor.keys[2].key == Keys.ControlP
+ assert processor.keys[0].data == "\x01"
+ assert processor.keys[1].data == "\x02"
+ assert processor.keys[2].data == "\x10"
+
+
+def test_arrows(processor, stream):
+ stream.feed("\x1b[A\x1b[B\x1b[C\x1b[D")
+
+ assert len(processor.keys) == 4
+ assert processor.keys[0].key == Keys.Up
+ assert processor.keys[1].key == Keys.Down
+ assert processor.keys[2].key == Keys.Right
+ assert processor.keys[3].key == Keys.Left
+ assert processor.keys[0].data == "\x1b[A"
+ assert processor.keys[1].data == "\x1b[B"
+ assert processor.keys[2].data == "\x1b[C"
+ assert processor.keys[3].data == "\x1b[D"
+
+
+def test_escape(processor, stream):
+ stream.feed("\x1bhello")
+
+ assert len(processor.keys) == 1 + len("hello")
+ assert processor.keys[0].key == Keys.Escape
+ assert processor.keys[1].key == "h"
+ assert processor.keys[0].data == "\x1b"
+ assert processor.keys[1].data == "h"
+
+
+def test_special_double_keys(processor, stream):
+ stream.feed("\x1b[1;3D") # Should both send escape and left.
+
+ assert len(processor.keys) == 2
+ assert processor.keys[0].key == Keys.Escape
+ assert processor.keys[1].key == Keys.Left
+ assert processor.keys[0].data == "\x1b[1;3D"
+ assert processor.keys[1].data == ""
+
+
+def test_flush_1(processor, stream):
+ # Send left key in two parts without flush.
+ stream.feed("\x1b")
+ stream.feed("[D")
+
+ assert len(processor.keys) == 1
+ assert processor.keys[0].key == Keys.Left
+ assert processor.keys[0].data == "\x1b[D"
+
+
+def test_flush_2(processor, stream):
+ # Send left key with a 'Flush' in between.
+ # The flush should make sure that we process everything before as-is,
+ # with makes the first part just an escape character instead.
+ stream.feed("\x1b")
+ stream.flush()
+ stream.feed("[D")
+
+ assert len(processor.keys) == 3
+ assert processor.keys[0].key == Keys.Escape
+ assert processor.keys[1].key == "["
+ assert processor.keys[2].key == "D"
+
+ assert processor.keys[0].data == "\x1b"
+ assert processor.keys[1].data == "["
+ assert processor.keys[2].data == "D"
+
+
+def test_meta_arrows(processor, stream):
+ stream.feed("\x1b\x1b[D")
+
+ assert len(processor.keys) == 2
+ assert processor.keys[0].key == Keys.Escape
+ assert processor.keys[1].key == Keys.Left
+
+
+def test_control_square_close(processor, stream):
+ stream.feed("\x1dC")
+
+ assert len(processor.keys) == 2
+ assert processor.keys[0].key == Keys.ControlSquareClose
+ assert processor.keys[1].key == "C"
+
+
+def test_invalid(processor, stream):
+ # Invalid sequence that has at two characters in common with other
+ # sequences.
+ stream.feed("\x1b[*")
+
+ assert len(processor.keys) == 3
+ assert processor.keys[0].key == Keys.Escape
+ assert processor.keys[1].key == "["
+ assert processor.keys[2].key == "*"
+
+
+def test_cpr_response(processor, stream):
+ stream.feed("a\x1b[40;10Rb")
+ assert len(processor.keys) == 3
+ assert processor.keys[0].key == "a"
+ assert processor.keys[1].key == Keys.CPRResponse
+ assert processor.keys[2].key == "b"
+
+
+def test_cpr_response_2(processor, stream):
+ # Make sure that the newline is not included in the CPR response.
+ stream.feed("\x1b[40;1R\n")
+ assert len(processor.keys) == 2
+ assert processor.keys[0].key == Keys.CPRResponse
+ assert processor.keys[1].key == Keys.ControlJ