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106 lines
4.0 KiB
106 lines
4.0 KiB
"""
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Tests autosuggestion using pexpect.
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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.lldbpexpect import PExpectTest
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def cursor_horizontal_abs(s):
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return "\x1b[" + str(len(s) + 1) + "G"
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class TestCase(PExpectTest):
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mydir = TestBase.compute_mydir(__file__)
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# PExpect uses many timeouts internally and doesn't play well
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# under ASAN on a loaded machine..
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@skipIfAsan
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@skipIfEditlineSupportMissing
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def test_autosuggestion_add_spaces(self):
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self.launch(extra_args=["-o", "settings set show-autosuggestion true", "-o", "settings set use-color true"])
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# Common input codes and escape sequences.
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faint_color = "\x1b[2m"
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reset = "\x1b[0m"
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# Check if spaces are added to hide the previous gray characters.
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self.expect("help frame var")
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self.expect("help frame info")
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self.child.send("help frame v")
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self.child.expect_exact(cursor_horizontal_abs("(lldb) help frame ") + "v" + faint_color + "ar" + reset + " ")
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self.quit()
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@skipIfAsan
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@skipIfEditlineSupportMissing
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def test_autosuggestion(self):
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self.launch(extra_args=["-o", "settings set show-autosuggestion true", "-o", "settings set use-color true"])
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# Common input codes and escape sequences.
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ctrl_f = "\x06"
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faint_color = "\x1b[2m"
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reset = "\x1b[0m"
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delete = chr(127)
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frame_output_needle = "Syntax: frame <subcommand>"
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# Run 'help frame' once to put it into the command history.
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self.expect("help frame", substrs=[frame_output_needle])
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# Check that LLDB shows the autosuggestion in gray behind the text.
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self.child.send("hel")
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self.child.expect_exact(cursor_horizontal_abs("(lldb) he") + "l" + faint_color + "p frame" + reset)
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# Apply the autosuggestion and press enter. This should print the
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# 'help frame' output if everything went correctly.
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self.child.send(ctrl_f + "\n")
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self.child.expect_exact(frame_output_needle)
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# Check that pressing Ctrl+F directly after Ctrl+F again does nothing.
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self.child.send("hel" + ctrl_f + ctrl_f + "\n")
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self.child.expect_exact(frame_output_needle)
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# Try autosuggestion using tab and ^f.
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# \t makes "help" and ^f makes "help frame". If everything went
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# correct we should see the 'help frame' output again.
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self.child.send("hel\t" + ctrl_f + "\n")
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self.child.expect_exact(frame_output_needle)
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# Check that autosuggestion works after delete.
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self.child.send("a1234" + 5 * delete + "hel" + ctrl_f + "\n")
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self.child.expect_exact(frame_output_needle)
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# Check that autosuggestion works after delete.
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self.child.send("help x" + delete + ctrl_f + "\n")
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self.child.expect_exact(frame_output_needle)
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# Check that autosuggestion complete to the most recent one.
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self.child.send("help frame variable\n")
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self.child.send("help fr")
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self.child.expect_exact(faint_color + "ame variable" + reset)
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self.child.send("\n")
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# Try another command.
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apropos_output_needle = "Syntax: apropos <search-word>"
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# Run 'help frame' once to put it into the command history.
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self.expect("help apropos", substrs=[apropos_output_needle])
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# Check that 'hel' should have an autosuggestion for 'help apropos' now.
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self.child.send("hel")
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self.child.expect_exact(cursor_horizontal_abs("(lldb) he") + "l" + faint_color + "p apropos" + reset)
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# Run the command and expect the 'help apropos' output.
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self.child.send(ctrl_f + "\n")
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self.child.expect_exact(apropos_output_needle)
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# Check that pressing Ctrl+F in an empty prompt does nothing.
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breakpoint_output_needle = "Syntax: breakpoint <subcommand>"
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self.child.send(ctrl_f + "help breakpoint" +"\n")
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self.child.expect_exact(breakpoint_output_needle)
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self.quit()
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