""" Test lldb settings command. """ import os import re import lldb from lldbsuite.test.decorators import * from lldbsuite.test.lldbtest import * from lldbsuite.test import lldbutil class SettingsCommandTestCase(TestBase): mydir = TestBase.compute_mydir(__file__) NO_DEBUG_INFO_TESTCASE = True def test_apropos_should_also_search_settings_description(self): """Test that 'apropos' command should also search descriptions for the settings variables.""" self.expect("apropos 'environment variable'", substrs=["target.env-vars", "environment variables", "executable's environment"]) def test_append_target_env_vars(self): """Test that 'append target.run-args' works.""" # Append the env-vars. self.runCmd('settings append target.env-vars MY_ENV_VAR=YES') # And add hooks to restore the settings during tearDown(). self.addTearDownHook( lambda: self.runCmd("settings clear target.env-vars")) # Check it immediately! self.expect('settings show target.env-vars', substrs=['MY_ENV_VAR=YES']) def test_insert_before_and_after_target_run_args(self): """Test that 'insert-before/after target.run-args' works.""" # Set the run-args first. self.runCmd('settings set target.run-args a b c') # And add hooks to restore the settings during tearDown(). self.addTearDownHook( lambda: self.runCmd("settings clear target.run-args")) # Now insert-before the index-0 element with '__a__'. self.runCmd('settings insert-before target.run-args 0 __a__') # And insert-after the index-1 element with '__A__'. self.runCmd('settings insert-after target.run-args 1 __A__') # Check it immediately! self.expect('settings show target.run-args', substrs=['target.run-args', '[0]: "__a__"', '[1]: "a"', '[2]: "__A__"', '[3]: "b"', '[4]: "c"']) def test_replace_target_run_args(self): """Test that 'replace target.run-args' works.""" # Set the run-args and then replace the index-0 element. self.runCmd('settings set target.run-args a b c') # And add hooks to restore the settings during tearDown(). self.addTearDownHook( lambda: self.runCmd("settings clear target.run-args")) # Now replace the index-0 element with 'A', instead. self.runCmd('settings replace target.run-args 0 A') # Check it immediately! self.expect('settings show target.run-args', substrs=['target.run-args (arguments) =', '[0]: "A"', '[1]: "b"', '[2]: "c"']) def test_set_prompt(self): """Test that 'set prompt' actually changes the prompt.""" # Set prompt to 'lldb2'. self.runCmd("settings set prompt 'lldb2 '") # Immediately test the setting. self.expect("settings show prompt", SETTING_MSG("prompt"), startstr='prompt (string) = "lldb2 "') # The overall display should also reflect the new setting. self.expect("settings show", SETTING_MSG("prompt"), substrs=['prompt (string) = "lldb2 "']) # Use '-r' option to reset to the original default prompt. self.runCmd("settings clear prompt") def test_set_term_width(self): """Test that 'set term-width' actually changes the term-width.""" self.runCmd("settings set term-width 70") # Immediately test the setting. self.expect("settings show term-width", SETTING_MSG("term-width"), startstr="term-width (int) = 70") # The overall display should also reflect the new setting. self.expect("settings show", SETTING_MSG("term-width"), substrs=["term-width (int) = 70"]) # rdar://problem/10712130 @skipIf(oslist=["windows"], bugnumber="llvm.org/pr44431") def test_set_frame_format(self): """Test that 'set frame-format' with a backtick char in the format string works as well as fullpath.""" self.build() exe = self.getBuildArtifact("a.out") self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) def cleanup(): self.runCmd( "settings set frame-format %s" % self.format_string, check=False) # Execute the cleanup function during test case tear down. self.addTearDownHook(cleanup) self.runCmd("settings show frame-format") m = re.match( '^frame-format \(format-string\) = "(.*)\"$', self.res.GetOutput()) self.assertTrue(m, "Bad settings string") self.format_string = m.group(1) # Change the default format to print function.name rather than # function.name-with-args format_string = "frame #${frame.index}: ${frame.pc}{ ${module.file.basename}\`${function.name}{${function.pc-offset}}}{ at ${line.file.fullpath}:${line.number}}{, lang=${language}}\n" self.runCmd("settings set frame-format %s" % format_string) # Immediately test the setting. self.expect("settings show frame-format", SETTING_MSG("frame-format"), substrs=[format_string]) self.runCmd("breakpoint set -n main") self.runCmd("process launch --working-dir '{0}'".format(self.get_process_working_directory()), RUN_SUCCEEDED) self.expect("thread backtrace", substrs=["`main", self.getSourceDir()]) def test_set_auto_confirm(self): """Test that after 'set auto-confirm true', manual confirmation should not kick in.""" self.build() exe = self.getBuildArtifact("a.out") self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) self.runCmd("settings set auto-confirm true") # Immediately test the setting. self.expect("settings show auto-confirm", SETTING_MSG("auto-confirm"), startstr="auto-confirm (boolean) = true") # Now 'breakpoint delete' should just work fine without confirmation # prompt from the command interpreter. self.runCmd("breakpoint set -n main") self.expect("breakpoint delete", startstr="All breakpoints removed") # Restore the original setting of auto-confirm. self.runCmd("settings clear auto-confirm") self.expect("settings show auto-confirm", SETTING_MSG("auto-confirm"), startstr="auto-confirm (boolean) = false") @skipIf(archs=no_match(['x86_64', 'i386', 'i686'])) def test_disassembler_settings(self): """Test that user options for the disassembler take effect.""" self.build() exe = self.getBuildArtifact("a.out") self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) # AT&T syntax self.runCmd("settings set target.x86-disassembly-flavor att") self.runCmd("settings set target.use-hex-immediates false") self.expect("disassemble -n numberfn", substrs=["$90"]) self.runCmd("settings set target.use-hex-immediates true") self.runCmd("settings set target.hex-immediate-style c") self.expect("disassemble -n numberfn", substrs=["$0x5a"]) self.runCmd("settings set target.hex-immediate-style asm") self.expect("disassemble -n numberfn", substrs=["$5ah"]) # Intel syntax self.runCmd("settings set target.x86-disassembly-flavor intel") self.runCmd("settings set target.use-hex-immediates false") self.expect("disassemble -n numberfn", substrs=["90"]) self.runCmd("settings set target.use-hex-immediates true") self.runCmd("settings set target.hex-immediate-style c") self.expect("disassemble -n numberfn", substrs=["0x5a"]) self.runCmd("settings set target.hex-immediate-style asm") self.expect("disassemble -n numberfn", substrs=["5ah"]) @skipIfDarwinEmbedded # debugserver on ios etc can't write files @skipIfReproducer def test_run_args_and_env_vars(self): self.do_test_run_args_and_env_vars(use_launchsimple=False) @skipIfDarwinEmbedded # debugserver on ios etc can't write files @skipIfReproducer def test_launchsimple_args_and_env_vars(self): self.do_test_run_args_and_env_vars(use_launchsimple=True) def do_test_run_args_and_env_vars(self, use_launchsimple): """Test that run-args and env-vars are passed to the launched process.""" self.build() # Set the run-args and the env-vars. # And add hooks to restore the settings during tearDown(). self.runCmd('settings set target.run-args A B C') self.addTearDownHook( lambda: self.runCmd("settings clear target.run-args")) self.runCmd('settings set target.env-vars ["MY_ENV_VAR"]=YES') self.addTearDownHook( lambda: self.runCmd("settings clear target.env-vars")) exe = self.getBuildArtifact("a.out") self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) target = self.dbg.GetTargetAtIndex(0) launch_info = target.GetLaunchInfo() found_env_var = False for i in range(0, launch_info.GetNumEnvironmentEntries()): if launch_info.GetEnvironmentEntryAtIndex(i) == "MY_ENV_VAR=YES": found_env_var = True break self.assertTrue(found_env_var, "MY_ENV_VAR was not set in LunchInfo object") self.expect( 'target show-launch-environment', substrs=["MY_ENV_VAR=YES"]) wd = self.get_process_working_directory() if use_launchsimple: process = target.LaunchSimple(None, None, wd) self.assertTrue(process) else: self.runCmd("process launch --working-dir '{0}'".format(wd), RUN_SUCCEEDED) # Read the output file produced by running the program. output = lldbutil.read_file_from_process_wd(self, "output2.txt") self.expect( output, exe=False, substrs=[ "argv[1] matches", "argv[2] matches", "argv[3] matches", "Environment variable 'MY_ENV_VAR' successfully passed."]) # Check that env-vars overrides unset-env-vars. self.runCmd('settings set target.unset-env-vars MY_ENV_VAR') self.expect( 'target show-launch-environment', 'env-vars overrides unset-env-vars', substrs=["MY_ENV_VAR=YES"]) wd = self.get_process_working_directory() if use_launchsimple: process = target.LaunchSimple(None, None, wd) self.assertTrue(process) else: self.runCmd("process launch --working-dir '{0}'".format(wd), RUN_SUCCEEDED) # Read the output file produced by running the program. output = lldbutil.read_file_from_process_wd(self, "output2.txt") self.expect( output, exe=False, substrs=[ "Environment variable 'MY_ENV_VAR' successfully passed."]) @skipIfRemote # it doesn't make sense to send host env to remote target @skipIfReproducer def test_pass_host_env_vars(self): """Test that the host env vars are passed to the launched process.""" self.build() # Set some host environment variables now. os.environ["MY_HOST_ENV_VAR1"] = "VAR1" os.environ["MY_HOST_ENV_VAR2"] = "VAR2" # This is the function to unset the two env variables set above. def unset_env_variables(): os.environ.pop("MY_HOST_ENV_VAR1") os.environ.pop("MY_HOST_ENV_VAR2") self.addTearDownHook(unset_env_variables) exe = self.getBuildArtifact("a.out") self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) # By default, inherit-env is 'true'. self.expect( 'settings show target.inherit-env', "Default inherit-env is 'true'", startstr="target.inherit-env (boolean) = true") self.expect( 'target show-launch-environment', 'Host environment is passed correctly', substrs=['MY_HOST_ENV_VAR1=VAR1', 'MY_HOST_ENV_VAR2=VAR2']) self.runCmd("process launch --working-dir '{0}'".format(self.get_process_working_directory()), RUN_SUCCEEDED) # Read the output file produced by running the program. output = lldbutil.read_file_from_process_wd(self, "output1.txt") self.expect( output, exe=False, substrs=[ "The host environment variable 'MY_HOST_ENV_VAR1' successfully passed.", "The host environment variable 'MY_HOST_ENV_VAR2' successfully passed."]) # Now test that we can prevent the inferior from inheriting the # environment. self.runCmd('settings set target.inherit-env false') self.expect( 'target show-launch-environment', 'target.inherit-env affects `target show-launch-environment`', matching=False, substrs = ['MY_HOST_ENV_VAR1=VAR1', 'MY_HOST_ENV_VAR2=VAR2']) self.runCmd("process launch --working-dir '{0}'".format(self.get_process_working_directory()), RUN_SUCCEEDED) # Read the output file produced by running the program. output = lldbutil.read_file_from_process_wd(self, "output1.txt") self.expect( output, exe=False, matching=False, substrs=[ "The host environment variable 'MY_HOST_ENV_VAR1' successfully passed.", "The host environment variable 'MY_HOST_ENV_VAR2' successfully passed."]) # Now test that we can unset variables from the inherited environment. self.runCmd('settings set target.inherit-env true') self.runCmd('settings set target.unset-env-vars MY_HOST_ENV_VAR1') self.runCmd("process launch --working-dir '{0}'".format(self.get_process_working_directory()), RUN_SUCCEEDED) # Read the output file produced by running the program. output = lldbutil.read_file_from_process_wd(self, "output1.txt") self.expect( 'target show-launch-environment', 'MY_HOST_ENV_VAR1 is unset, it shouldn\'t be in `target show-launch-environment`', matching=False, substrs = ['MY_HOST_ENV_VAR1=VAR1']) self.expect( 'target show-launch-environment', 'MY_HOST_ENV_VAR2 shouldn be in `target show-launch-environment`', substrs = ['MY_HOST_ENV_VAR2=VAR2']) self.expect( output, exe=False, matching=False, substrs=[ "The host environment variable 'MY_HOST_ENV_VAR1' successfully passed."]) self.expect( output, exe=False, substrs=[ "The host environment variable 'MY_HOST_ENV_VAR2' successfully passed."]) @skipIfDarwinEmbedded # debugserver on ios etc can't write files @skipIfReproducer def test_set_error_output_path(self): """Test that setting target.error/output-path for the launched process works.""" self.build() exe = self.getBuildArtifact("a.out") self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) # Set the error-path and output-path and verify both are set. self.runCmd("settings set target.error-path '{0}'".format( lldbutil.append_to_process_working_directory(self, "stderr.txt"))) self.runCmd("settings set target.output-path '{0}".format( lldbutil.append_to_process_working_directory(self, "stdout.txt"))) # And add hooks to restore the original settings during tearDown(). self.addTearDownHook( lambda: self.runCmd("settings clear target.output-path")) self.addTearDownHook( lambda: self.runCmd("settings clear target.error-path")) self.expect("settings show target.error-path", SETTING_MSG("target.error-path"), substrs=['target.error-path (file)', 'stderr.txt"']) self.expect("settings show target.output-path", SETTING_MSG("target.output-path"), substrs=['target.output-path (file)', 'stdout.txt"']) self.runCmd("process launch --working-dir '{0}'".format(self.get_process_working_directory()), RUN_SUCCEEDED) output = lldbutil.read_file_from_process_wd(self, "stderr.txt") message = "This message should go to standard error." if lldbplatformutil.hasChattyStderr(self): self.expect(output, exe=False, substrs=[message]) else: self.expect(output, exe=False, startstr=message) output = lldbutil.read_file_from_process_wd(self, "stdout.txt") self.expect(output, exe=False, startstr="This message should go to standard out.") def test_print_dictionary_setting(self): self.runCmd("settings clear target.env-vars") self.runCmd("settings set target.env-vars [\"MY_VAR\"]=some-value") self.expect("settings show target.env-vars", substrs=["MY_VAR=some-value"]) self.runCmd("settings clear target.env-vars") def test_print_array_setting(self): self.runCmd("settings clear target.run-args") self.runCmd("settings set target.run-args gobbledy-gook") self.expect("settings show target.run-args", substrs=['[0]: "gobbledy-gook"']) self.runCmd("settings clear target.run-args") def test_settings_with_quotes(self): self.runCmd("settings clear target.run-args") self.runCmd("settings set target.run-args a b c") self.expect("settings show target.run-args", substrs=['[0]: "a"', '[1]: "b"', '[2]: "c"']) self.runCmd("settings set target.run-args 'a b c'") self.expect("settings show target.run-args", substrs=['[0]: "a b c"']) self.runCmd("settings clear target.run-args") self.runCmd("settings clear target.env-vars") self.runCmd( 'settings set target.env-vars ["MY_FILE"]="this is a file name with spaces.txt"') self.expect("settings show target.env-vars", substrs=['MY_FILE=this is a file name with spaces.txt']) self.runCmd("settings clear target.env-vars") # Test and make sure that setting "format-string" settings obeys quotes # if they are provided self.runCmd("settings set thread-format 'abc def' ") self.expect("settings show thread-format", 'thread-format (format-string) = "abc def"') self.runCmd('settings set thread-format "abc def" ') self.expect("settings show thread-format", 'thread-format (format-string) = "abc def"') # Make sure when no quotes are provided that we maintain any trailing # spaces self.runCmd('settings set thread-format abc def ') self.expect("settings show thread-format", 'thread-format (format-string) = "abc def "') self.runCmd('settings clear thread-format') def test_settings_with_trailing_whitespace(self): # boolean # Set to known value self.runCmd("settings set target.skip-prologue true") # Set to new value with trailing whitespace self.runCmd("settings set target.skip-prologue false ") # Make sure the setting was correctly set to "false" self.expect( "settings show target.skip-prologue", SETTING_MSG("target.skip-prologue"), startstr="target.skip-prologue (boolean) = false") self.runCmd("settings clear target.skip-prologue", check=False) # integer self.runCmd("settings set term-width 70") # Set to known value # Set to new value with trailing whitespaces self.runCmd("settings set term-width 60 \t") self.expect("settings show term-width", SETTING_MSG("term-width"), startstr="term-width (int) = 60") self.runCmd("settings clear term-width", check=False) # string self.runCmd("settings set target.arg0 abc") # Set to known value # Set to new value with trailing whitespaces self.runCmd("settings set target.arg0 cde\t ") self.expect("settings show target.arg0", SETTING_MSG("target.arg0"), startstr='target.arg0 (string) = "cde"') self.runCmd("settings clear target.arg0", check=False) # file path1 = self.getBuildArtifact("path1.txt") path2 = self.getBuildArtifact("path2.txt") self.runCmd( "settings set target.output-path %s" % path1) # Set to known value self.expect( "settings show target.output-path", SETTING_MSG("target.output-path"), startstr='target.output-path (file) = ', substrs=[path1]) self.runCmd("settings set target.output-path %s " % path2) # Set to new value with trailing whitespaces self.expect( "settings show target.output-path", SETTING_MSG("target.output-path"), startstr='target.output-path (file) = ', substrs=[path2]) self.runCmd("settings clear target.output-path", check=False) # enum # Set to known value self.runCmd("settings set stop-disassembly-display never") # Set to new value with trailing whitespaces self.runCmd("settings set stop-disassembly-display always ") self.expect( "settings show stop-disassembly-display", SETTING_MSG("stop-disassembly-display"), startstr='stop-disassembly-display (enum) = always') self.runCmd("settings clear stop-disassembly-display", check=False) # language # Set to known value self.runCmd("settings set target.language c89") # Set to new value with trailing whitespace self.runCmd("settings set target.language c11 ") self.expect( "settings show target.language", SETTING_MSG("target.language"), startstr="target.language (language) = c11") self.runCmd("settings clear target.language", check=False) # arguments self.runCmd("settings set target.run-args 1 2 3") # Set to known value # Set to new value with trailing whitespaces self.runCmd("settings set target.run-args 3 4 5 ") self.expect( "settings show target.run-args", SETTING_MSG("target.run-args"), substrs=[ 'target.run-args (arguments) =', '[0]: "3"', '[1]: "4"', '[2]: "5"']) self.runCmd("settings set target.run-args 1 2 3") # Set to known value # Set to new value with trailing whitespaces self.runCmd("settings set target.run-args 3 \ \ ") self.expect( "settings show target.run-args", SETTING_MSG("target.run-args"), substrs=[ 'target.run-args (arguments) =', '[0]: "3"', '[1]: " "', '[2]: " "']) self.runCmd("settings clear target.run-args", check=False) # dictionaries self.runCmd("settings clear target.env-vars") # Set to known value # Set to new value with trailing whitespaces self.runCmd("settings set target.env-vars A=B C=D\t ") self.expect( "settings show target.env-vars", SETTING_MSG("target.env-vars"), substrs=[ 'target.env-vars (dictionary of strings) =', 'A=B', 'C=D']) self.runCmd("settings clear target.env-vars", check=False) # regex # Set to known value self.runCmd("settings clear target.process.thread.step-avoid-regexp") # Set to new value with trailing whitespaces self.runCmd( "settings set target.process.thread.step-avoid-regexp foo\\ ") self.expect( "settings show target.process.thread.step-avoid-regexp", SETTING_MSG("target.process.thread.step-avoid-regexp"), substrs=['target.process.thread.step-avoid-regexp (regex) = foo\\ ']) self.runCmd( "settings clear target.process.thread.step-avoid-regexp", check=False) # format-string self.runCmd("settings clear disassembly-format") # Set to known value # Set to new value with trailing whitespaces self.runCmd("settings set disassembly-format foo ") self.expect("settings show disassembly-format", SETTING_MSG("disassembly-format"), substrs=['disassembly-format (format-string) = "foo "']) self.runCmd("settings clear disassembly-format", check=False) def test_settings_list(self): # List settings (and optionally test the filter to only show 'target' settings). self.expect("settings list target", substrs=["arg0", "detach-on-error", "language"]) self.expect("settings list target", matching=False, substrs=["packet-timeout"]) self.expect("settings list", substrs=["language", "arg0", "detach-on-error", "packet-timeout"]) def test_settings_remove_single(self): # Set some environment variables and use 'remove' to delete them. self.runCmd("settings set target.env-vars a=b c=d") self.expect("settings show target.env-vars", substrs=["a=b", "c=d"]) self.runCmd("settings remove target.env-vars a") self.expect("settings show target.env-vars", matching=False, substrs=["a=b"]) self.expect("settings show target.env-vars", substrs=["c=d"]) self.runCmd("settings remove target.env-vars c") self.expect("settings show target.env-vars", matching=False, substrs=["a=b", "c=d"]) def test_settings_remove_multiple(self): self.runCmd("settings set target.env-vars a=b c=d e=f") self.expect("settings show target.env-vars", substrs=["a=b", "c=d", "e=f"]) self.runCmd("settings remove target.env-vars a e") self.expect("settings show target.env-vars", matching=False, substrs=["a=b", "e=f"]) self.expect("settings show target.env-vars", substrs=["c=d"]) def test_settings_remove_nonexistent_value(self): self.expect("settings remove target.env-vars doesntexist", error=True, substrs=["no value found named 'doesntexist'"]) def test_settings_remove_nonexistent_settings(self): self.expect("settings remove doesntexist alsodoesntexist", error=True, substrs=["error: invalid value path 'doesntexist'"]) def test_settings_remove_missing_arg(self): self.expect("settings remove", error=True, substrs=["'settings remove' takes an array or dictionary item, or"]) def test_settings_remove_empty_arg(self): self.expect("settings remove ''", error=True, substrs=["'settings remove' command requires a valid variable name"]) def test_settings_clear_all(self): # Change a dictionary. self.runCmd("settings set target.env-vars a=1 b=2 c=3") # Change an array. self.runCmd("settings set target.run-args a1 b2 c3") # Change a single boolean value. self.runCmd("settings set auto-confirm true") # Change a single integer value. self.runCmd("settings set tab-size 2") # Clear everything. self.runCmd("settings clear --all") # Check that settings have their default values after clearing. self.expect("settings show target.env-vars", patterns=['^target.env-vars \(dictionary of strings\) =\s*$']) self.expect("settings show target.run-args", patterns=['^target.run-args \(arguments\) =\s*$']) self.expect("settings show auto-confirm", substrs=["false"]) self.expect("settings show tab-size", substrs=["4"]) # Check that the command fails if we combine '--all' option with any arguments. self.expect( "settings clear --all auto-confirm", COMMAND_FAILED_AS_EXPECTED, error=True, substrs=["'settings clear --all' doesn't take any arguments"]) def test_all_settings_exist(self): self.expect("settings show", substrs=["auto-confirm", "frame-format", "notify-void", "prompt", "script-lang", "stop-disassembly-count", "stop-disassembly-display", "stop-line-count-after", "stop-line-count-before", "stop-show-column", "term-width", "thread-format", "use-external-editor", "target.breakpoints-use-platform-avoid-list", "target.default-arch", "target.disable-aslr", "target.disable-stdio", "target.x86-disassembly-flavor", "target.enable-synthetic-value", "target.env-vars", "target.error-path", "target.exec-search-paths", "target.expr-prefix", "target.hex-immediate-style", "target.inherit-env", "target.input-path", "target.language", "target.max-children-count", "target.max-string-summary-length", "target.move-to-nearest-code", "target.output-path", "target.prefer-dynamic-value", "target.run-args", "target.skip-prologue", "target.source-map", "target.use-hex-immediates", "target.process.disable-memory-cache", "target.process.extra-startup-command", "target.process.thread.trace-thread", "target.process.thread.step-avoid-regexp", ]) # settings under an ".experimental" domain should have two properties: # 1. If the name does not exist with "experimental" in the name path, # the name lookup should try to find it without "experimental". So # a previously-experimental setting that has been promoted to a # "real" setting will still be set by the original name. # 2. Changing a setting with .experimental., name, where the setting # does not exist either with ".experimental." or without, should # not generate an error. So if an experimental setting is removed, # people who may have that in their ~/.lldbinit files should not see # any errors. def test_experimental_settings(self): cmdinterp = self.dbg.GetCommandInterpreter() result = lldb.SBCommandReturnObject() # Set target.arg0 to a known value, check that we can retrieve it via # the actual name and via .experimental. self.expect('settings set target.arg0 first-value') self.expect('settings show target.arg0', substrs=['first-value']) self.expect('settings show target.experimental.arg0', substrs=['first-value'], error=False) # Set target.arg0 to a new value via a target.experimental.arg0 name, # verify that we can read it back via both .experimental., and not. self.expect('settings set target.experimental.arg0 second-value', error=False) self.expect('settings show target.arg0', substrs=['second-value']) self.expect('settings show target.experimental.arg0', substrs=['second-value'], error=False) # showing & setting an undefined .experimental. setting should generate no errors. self.expect('settings show target.experimental.setting-which-does-not-exist', patterns=['^\s$'], error=False) self.expect('settings set target.experimental.setting-which-does-not-exist true', error=False) # A domain component before .experimental. which does not exist should give an error # But the code does not yet do that. # self.expect('settings set target.setting-which-does-not-exist.experimental.arg0 true', error=True) # finally, confirm that trying to set a setting that does not exist still fails. # (SHOWING a setting that does not exist does not currently yield an error.) self.expect('settings set target.setting-which-does-not-exist true', error=True)