1 """ 2 Test the lldb command line completion mechanism. 3 """ 4 5 import os 6 import unittest2 7 import lldb 8 import pexpect 9 from lldbtest import * 10 11 class CommandLineCompletionTestCase(TestBase): 12 13 mydir = os.path.join("functionalities", "completion") 14 15 @classmethod 16 def classCleanup(cls): 17 """Cleanup the test byproducts.""" 18 try: 19 os.remove("child_send.txt") 20 os.remove("child_read.txt") 21 except: 22 pass 23 24 def test_at(self): 25 """Test that 'at' completes to 'attach '.""" 26 self.complete_from_to('at', 'attach ') 27 28 def test_de(self): 29 """Test that 'de' completes to 'detach '.""" 30 self.complete_from_to('de', 'detach ') 31 32 def test_process_attach_dash_dash_con(self): 33 """Test that 'process attach --con' completes to 'process attach --continue '.""" 34 self.complete_from_to('process attach --con', 'process attach --continue ') 35 36 # <rdar://problem/11052829> 37 @skipIfLinux # llvm.org/pr14637: this test case fails (with GCC 4.6 but not clang) because the input prompt "(lldb)" is missing 38 def test_infinite_loop_while_completing(self): 39 """Test that 'process print hello\' completes to itself and does not infinite loop.""" 40 self.complete_from_to('process print hello\\', 'process print hello\\', 41 turn_off_re_match=True) 42 43 def test_watchpoint_command_dash_w_space(self): 44 """Test that 'watchpoint command' completes to ['Available completions:', 'add', 'delete', 'list'].""" 45 self.complete_from_to('watchpoint command', ['Available completions:', 'add', 'delete', 'list']) 46 47 def test_watchpoint_set_variable_dash_w(self): 48 """Test that 'watchpoint set variable -w' completes to 'watchpoint set variable -w '.""" 49 self.complete_from_to('watchpoint set variable -w', 'watchpoint set variable -w ') 50 51 def test_watchpoint_set_variable_dash_w_space(self): 52 """Test that 'watchpoint set variable -w ' completes to ['Available completions:', 'read', 'write', 'read_write'].""" 53 self.complete_from_to('watchpoint set variable -w ', ['Available completions:', 'read', 'write', 'read_write']) 54 55 def test_watchpoint_set_ex(self): 56 """Test that 'watchpoint set ex' completes to 'watchpoint set expression '.""" 57 self.complete_from_to('watchpoint set ex', 'watchpoint set expression ') 58 59 def test_watchpoint_set_var(self): 60 """Test that 'watchpoint set var' completes to 'watchpoint set variable '.""" 61 self.complete_from_to('watchpoint set var', 'watchpoint set variable ') 62 63 def test_watchpoint_set_variable_dash_w_read_underbar(self): 64 """Test that 'watchpoint set variable -w read_' completes to 'watchpoint set variable -w read_write'.""" 65 self.complete_from_to('watchpoint set variable -w read_', 'watchpoint set variable -w read_write') 66 67 def test_help_fi(self): 68 """Test that 'help fi' completes to ['Available completions:', 'file', 'finish'].""" 69 self.complete_from_to('help fi', ['Available completions:', 'file', 'finish']) 70 71 def test_help_watchpoint_s(self): 72 """Test that 'help watchpoint s' completes to 'help watchpoint set '.""" 73 self.complete_from_to('help watchpoint s', 'help watchpoint set ') 74 75 def test_settings_append_target_er(self): 76 """Test that 'settings append target.er' completes to 'settings append target.error-path'.""" 77 self.complete_from_to('settings append target.er', 'settings append target.error-path') 78 79 def test_settings_insert_after_target_en(self): 80 """Test that 'settings insert-after target.env' completes to 'settings insert-after target.env-vars'.""" 81 self.complete_from_to('settings insert-after target.env', 'settings insert-after target.env-vars') 82 83 def test_settings_insert_before_target_en(self): 84 """Test that 'settings insert-before target.env' completes to 'settings insert-before target.env-vars'.""" 85 self.complete_from_to('settings insert-before target.env', 'settings insert-before target.env-vars') 86 87 def test_settings_replace_target_ru(self): 88 """Test that 'settings replace target.ru' completes to 'settings replace target.run-args'.""" 89 self.complete_from_to('settings replace target.ru', 'settings replace target.run-args') 90 91 def test_settings_s(self): 92 """Test that 'settings s' completes to ['Available completions:', 'set', 'show'].""" 93 self.complete_from_to('settings s', ['Available completions:', 'set', 'show']) 94 95 def test_settings_set_th(self): 96 """Test that 'settings set th' completes to 'settings set thread-format'.""" 97 self.complete_from_to('settings set th', 'settings set thread-format') 98 99 def test_settings_s_dash(self): 100 """Test that 'settings set -' completes to 'settings set -g'.""" 101 self.complete_from_to('settings set -', 'settings set -g') 102 103 def test_settings_clear_th(self): 104 """Test that 'settings clear th' completes to 'settings clear thread-format'.""" 105 self.complete_from_to('settings clear th', 'settings clear thread-format') 106 107 def test_settings_set_ta(self): 108 """Test that 'settings set ta' completes to 'settings set target.'.""" 109 self.complete_from_to('settings set ta', 'settings set target.') 110 111 def test_settings_set_target_exec(self): 112 """Test that 'settings set target.exec' completes to 'settings set target.exec-search-paths '.""" 113 self.complete_from_to('settings set target.exec', 'settings set target.exec-search-paths') 114 115 def test_settings_set_target_pr(self): 116 """Test that 'settings set target.pr' completes to ['Available completions:', 117 'target.prefer-dynamic-value', 'target.process.'].""" 118 self.complete_from_to('settings set target.pr', 119 ['Available completions:', 120 'target.prefer-dynamic-value', 121 'target.process.']) 122 123 def test_settings_set_target_process(self): 124 """Test that 'settings set target.process' completes to 'settings set target.process.'.""" 125 self.complete_from_to('settings set target.process', 'settings set target.process.') 126 127 def test_settings_set_target_process_dot(self): 128 """Test that 'settings set target.process.t' completes to 'settings set target.process.thread.'.""" 129 self.complete_from_to('settings set target.process.t', 'settings set target.process.thread.') 130 131 def test_settings_set_target_process_thread_dot(self): 132 """Test that 'settings set target.process.thread.' completes to ['Available completions:', 133 'target.process.thread.step-avoid-regexp', 'target.process.thread.trace-thread'].""" 134 self.complete_from_to('settings set target.process.thread.', 135 ['Available completions:', 136 'target.process.thread.step-avoid-regexp', 137 'target.process.thread.trace-thread']) 138 139 def test_target_space(self): 140 """Test that 'target ' completes to ['Available completions:', 'create', 'delete', 'list', 141 'modules', 'select', 'stop-hook', 'variable'].""" 142 self.complete_from_to('target ', 143 ['Available completions:', 'create', 'delete', 'list', 144 'modules', 'select', 'stop-hook', 'variable']) 145 146 def test_target_create_dash_co(self): 147 """Test that 'target create --co' completes to 'target variable --core '.""" 148 self.complete_from_to('target create --co', 'target create --core ') 149 150 def test_target_va(self): 151 """Test that 'target va' completes to 'target variable '.""" 152 self.complete_from_to('target va', 'target variable ') 153 154 def complete_from_to(self, str_input, patterns, turn_off_re_match=False): 155 """Test that the completion mechanism completes str_input to patterns, 156 where patterns could be a pattern-string or a list of pattern-strings""" 157 # Patterns should not be None in order to proceed. 158 self.assertFalse(patterns is None) 159 # And should be either a string or list of strings. Check for list type 160 # below, if not, make a list out of the singleton string. If patterns 161 # is not a string or not a list of strings, there'll be runtime errors 162 # later on. 163 if not isinstance(patterns, list): 164 patterns = [patterns] 165 166 # The default lldb prompt. 167 prompt = "(lldb) " 168 169 # So that the child gets torn down after the test. 170 self.child = pexpect.spawn('%s %s' % (self.lldbHere, self.lldbOption)) 171 child = self.child 172 # Turn on logging for input/output to/from the child. 173 with open('child_send.txt', 'w') as f_send: 174 with open('child_read.txt', 'w') as f_read: 175 child.logfile_send = f_send 176 child.logfile_read = f_read 177 178 child.expect_exact(prompt) 179 child.setecho(True) 180 # Sends str_input and a Tab to invoke the completion machinery. 181 child.send("%s\t" % str_input) 182 child.sendline('') 183 child.expect_exact(prompt) 184 185 # Now that the necessary logging is done, restore logfile to None to 186 # stop further logging. 187 child.logfile_send = None 188 child.logfile_read = None 189 190 with open('child_send.txt', 'r') as fs: 191 if self.TraceOn(): 192 print "\n\nContents of child_send.txt:" 193 print fs.read() 194 with open('child_read.txt', 'r') as fr: 195 from_child = fr.read() 196 if self.TraceOn(): 197 print "\n\nContents of child_read.txt:" 198 print from_child 199 200 # The matching could be verbatim or using generic re pattern. 201 for p in patterns: 202 # Test that str_input completes to our patterns or substrings. 203 # If each pattern/substring matches from_child, the completion mechanism works! 204 if turn_off_re_match: 205 self.expect(from_child, msg=COMPLETION_MSG(str_input, p), exe=False, 206 substrs = [p]) 207 else: 208 self.expect(from_child, msg=COMPLETION_MSG(str_input, p), exe=False, 209 patterns = [p]) 210 211 212 if __name__ == '__main__': 213 import atexit 214 lldb.SBDebugger.Initialize() 215 atexit.register(lambda: lldb.SBDebugger.Terminate()) 216 unittest2.main() 217
