82 lines
3 KiB
Python
82 lines
3 KiB
Python
"""
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Test that the lldb editline handling is configured correctly.
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"""
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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from lldbsuite.test.lldbpexpect import PExpectTest
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class EditlineTest(PExpectTest):
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@skipIfAsan
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@skipIfEditlineSupportMissing
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@skipIf(oslist=["linux"], archs=["arm", "aarch64"])
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def test_left_right_arrow(self):
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"""Test that ctrl+left/right arrow navigates words correctly.
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Note: just sending escape characters to pexpect and checking the buffer
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doesn't work well, so we run real commands. We want to type
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"help command" while exercising word-navigation, so type it as below,
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where [] indicates cursor position.
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1. Send "el rint" -> "el rint[]"
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2. Ctrl+left once -> "el []rint"
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3. Send "p" -> "el p[]rint"
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4. Ctrl+left twice -> "[]el print"
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5. Send "h" -> "h[]el print"
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6. Ctrl+right -> "hel[] print"
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7. Send "p" -> "help print"
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"""
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self.launch()
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escape_pairs = [
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("\x1b[1;5D", "\x1b[1;5C"),
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("\x1b[5D", "\x1b[5C"),
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("\x1b\x1b[D", "\x1b\x1b[C"),
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]
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for l_escape, r_escape in escape_pairs:
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self.expect(
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"el rint{L}p{L}{L}h{R}p".format(L=l_escape, R=r_escape),
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substrs=["Syntax: print"],
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)
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self.quit()
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@skipIfAsan
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@skipIfEditlineSupportMissing
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@skipIfEditlineWideCharSupportMissing
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def test_prompt_unicode(self):
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"""Test that we can use Unicode in the LLDB prompt."""
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self.launch(use_colors=True, encoding="utf-8")
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self.child.send('settings set prompt "🐛 "\n')
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# Check that the cursor is at position 4 ([4G)
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# Prompt: 🐛 _
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# Column: 1..4
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self.child.expect(re.escape("🐛 \x1b[0m\x1b[4G"))
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@skipIfAsan
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@skipIfEditlineSupportMissing
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def test_prompt_color(self):
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"""Test that we can change the prompt color with prompt-ansi-prefix."""
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self.launch(use_colors=True)
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self.child.send('settings set prompt-ansi-prefix "${ansi.fg.red}"\n')
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# Make sure this change is reflected immediately. Check that the color
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# is set (31) and the cursor position (8) is correct.
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# Prompt: (lldb) _
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# Column: 1....6.8
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self.child.expect(re.escape("\x1b[31m(lldb) \x1b[0m\x1b[8G"))
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@skipIfAsan
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@skipIfEditlineSupportMissing
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def test_prompt_no_color(self):
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"""Test that prompt-ansi-prefix doesn't color the prompt when colors are off."""
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self.launch(use_colors=False)
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self.child.send('settings set prompt-ansi-prefix "${ansi.fg.red}"\n')
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# Send foo so we can match the newline before the prompt and the foo
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# after the prompt.
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self.child.send("foo")
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# Check that there are no escape codes.
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self.child.expect(re.escape("\n(lldb) foo"))
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