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App::Yath::Command::start(3) |
User Contributed Perl Documentation |
App::Yath::Command::start(3) |
App::Yath::Command::start - Start the persistent test runner
This command is used to start a persistant instance of yath. A persistant
instance is useful because it allows you to preload modules in advance,
reducing start time for any tests you decide to run as you work.
A running instance will watch for changes to any preloaded files,
and restart itself if anything changes. Changed files are blacklisted for
subsequent reloads so that reloading is not a frequent occurence when
editing the same file over and over again.
$ yath [YATH OPTIONS] start [COMMAND OPTIONS]
Developer
- --dev-lib
- --dev-lib=lib
- -D
- -D=lib
- -Dlib
- --no-dev-lib
- Add paths to @INC before loading ANYTHING. This is
what you use if you are developing yath or yath plugins to make sure the
yath script finds the local code instead of the installed versions of the
same code. You can provide an argument (-Dfoo) to provide a custom path,
or you can just use -D without and arg to add lib, blib/lib and blib/arch.
Can be specified multiple times
Environment
- --persist-dir ARG
- --persist-dir=ARG
- --no-persist-dir
- Where to find persistence files.
- --persist-file ARG
- --persist-file=ARG
- --pfile ARG
- --pfile=ARG
- --no-persist-file
- Where to find the persistence file. The default is
/{system-tempdir}/project-yath-persist.json. If no project is specified
then it will fall back to the current directory. If the current directory
is not writable it will default to /tmp/yath-persist.json which limits you
to one persistent runner on your system.
- --project ARG
- --project=ARG
- --project-name ARG
- --project-name=ARG
- --no-project
- This lets you provide a label for your current project/codebase. This is
best used in a .yath.rc file. This is necessary for a persistent
runner.
Help and Debugging
- --show-opts
- --no-show-opts
- Exit after showing what yath thinks your options mean
- --version
- -V
- --no-version
- Exit after showing a helpful usage message
Plugins
- --no-scan-plugins
- --no-no-scan-plugins
- Normally yath scans for and loads all App::Yath::Plugin::* modules in
order to bring in command-line options they may provide. This flag will
disable that. This is useful if you have a naughty plugin that it loading
other modules when it should not.
- --plugins PLUGIN
- --plugins +App::Yath::Plugin::PLUGIN
- --plugins PLUGIN=arg1,arg2,...
- --plugin PLUGIN
- --plugin +App::Yath::Plugin::PLUGIN
- --plugin PLUGIN=arg1,arg2,...
- -pPLUGIN
- --no-plugins
- Load a yath plugin.
Can be specified multiple times
Collector Options
- --max-open-jobs 18
- --no-max-open-jobs
- Maximum number of jobs a collector can process at a time, if more jobs are
pending their output will be delayed until the earlier jobs have been
processed. (Default: double the -j value)
- --max-poll-events 1000
- --no-max-poll-events
- Maximum number of events to poll from a job before jumping to the next
job. (Default: 1000)
Cover Options
- --cover-aggregator ByTest
- --cover-aggregator ByRun
- --cover-aggregator +Custom::Aggregator
- --cover-agg ByTest
- --cover-agg ByRun
- --cover-agg +Custom::Aggregator
- --no-cover-aggregator
- Choose a custom aggregator subclass
- --cover-class ARG
- --cover-class=ARG
- --no-cover-class
- Choose a Test2::Plugin::Cover subclass
- --cover-dirs ARG
- --cover-dirs=ARG
- --cover-dir ARG
- --cover-dir=ARG
- --no-cover-dirs
- NO DESCRIPTION - FIX ME
Can be specified multiple times
- --cover-exclude-private
- --no-cover-exclude-private
- --cover-files
- --no-cover-files
- Use Test2::Plugin::Cover to collect coverage data for what files are
touched by what tests. Unlike Devel::Cover this has very little
performance impact (About 4% difference)
- --cover-from path/to/log.jsonl
- --cover-from http://example.com/coverage
- --cover-from path/to/coverage.jsonl
- --no-cover-from
- This can be a test log, a coverage dump (old style json or new jsonl
format), or a url to any of the previous. Tests will not be run if the
file/url is invalid.
- --cover-from-type json
- --cover-from-type jsonl
- --cover-from-type log
- --no-cover-from-type
- File type for coverage source. Usually it can be detected, but when it
cannot be you should specify. "json" is old style single-blob
coverage data, "jsonl" is the new by-test style, "log"
is a logfile from a previous run.
- --cover-manager My::Coverage::Manager
- --no-cover-manager
- Coverage 'from' manager to use when coverage data does not provide
one
- --cover-maybe-from path/to/log.jsonl
- --cover-maybe-from http://example.com/coverage
- --cover-maybe-from path/to/coverage.jsonl
- --no-cover-maybe-from
- This can be a test log, a coverage dump (old style json or new jsonl
format), or a url to any of the previous. Tests will coninue if even if
the coverage file/url is invalid.
- --cover-maybe-from-type json
- --cover-maybe-from-type jsonl
- --cover-maybe-from-type log
- --no-cover-maybe-from-type
- Same as "from_type" but for "maybe_from". Defaults to
"from_type" if that is specified, otherwise auto-detect
- --cover-metrics
- --no-cover-metrics
- --cover-types ARG
- --cover-types=ARG
- --cover-type ARG
- --cover-type=ARG
- --no-cover-types
- NO DESCRIPTION - FIX ME
Can be specified multiple times
- --cover-write
- --cover-write=coverage.jsonl
- --cover-write=coverage.json
- --no-cover-write
- Create a json or jsonl file of all coverage data seen during the run (This
implies --cover-files).
Git Options
- --git-change-base master
- --git-change-base HEAD^
- --git-change-base df22abe4
- --no-git-change-base
- Find files changed by all commits in the current branch from most recent
stopping when a commit is found that is also present in the history of the
branch/commit specified as the change base.
Help and Debugging
- --dummy
- -d
- --no-dummy
- Dummy run, do not actually execute anything
Can also be set with the following environment variables:
"T2_HARNESS_DUMMY"
- --help
- -h
- --no-help
- exit after showing help information
- --interactive
- -i
- --no-interactive
- Use interactive mode, 1 test at a time, stdin forwarded to it
- --keep-dirs
- --keep_dir
- -k
- --no-keep-dirs
- Do not delete directories when done. This is useful if you want to inspect
the directories used for various commands.
- --procname-prefix ARG
- --procname-prefix=ARG
- --no-procname-prefix
- Add a prefix to all proc names (as seen by ps).
Persistent Runner Options
- --quiet
- -q
- --no-quiet
- Be very quiet.
Can be specified multiple times
- --reload
- -r
- --no-reload
- Attempt to reload modified modules in-place, restarting entire stages only
when necessary.
- --restrict-reload
- --restrict-reload=path
- --no-restrict-reload
- Only reload modules under the specified path, if no path is specified look
at anything under the .yath.rc path, or the current working directory.
Can be specified multiple times
Runner Options
- --abort-on-bail
- --no-abort-on-bail
- Abort all testing if a bail-out is encountered (default: on)
- --blib
- -b
- --no-blib
- (Default: include if it exists) Include 'blib/lib' and 'blib/arch' in your
module path
- --cover
- --cover=-silent,1,+ignore,^t/,+ignore,^t2/,+ignore,^xt,+ignore,^test.pl
- --no-cover
- Use Devel::Cover to calculate test coverage. This disables forking. If no
args are specified the following are used:
-silent,1,+ignore,^t/,+ignore,^t2/,+ignore,^xt,+ignore,^test.pl
- --daemon
- --no-daemon
- Start the runner as a daemon (Default: True)
- --dump-depmap
- --no-dump-depmap
- When using staged preload, dump the depmap for each stage as json
files
- --event-timeout SECONDS
- --et SECONDS
- --no-event-timeout
- Kill test if no output is received within timeout period. (Default: 60
seconds). Add the "# HARNESS-NO-TIMEOUT" comment to the top of a
test file to disable timeouts on a per-test basis. This prevents a hung
test from running forever.
- --include ARG
- --include=ARG
- -I ARG
- -I=ARG
- --no-include
- Add a directory to your include paths
Can be specified multiple times
- --job-count ARG
- --job-count=ARG
- --jobs ARG
- --jobs=ARG
- -j ARG
- -j=ARG
- --no-job-count
- Set the number of concurrent jobs to run (Default: 1)
Can also be set with the following environment variables:
"YATH_JOB_COUNT",
"T2_HARNESS_JOB_COUNT",
"HARNESS_JOB_COUNT"
- --lib
- -l
- --no-lib
- (Default: include if it exists) Include 'lib' in your module path
- --nytprof
- --no-nytprof
- Use Devel::NYTProf on tests. This will set addpid=1 for you. This works
with or without fork.
- --post-exit-timeout SECONDS
- --pet SECONDS
- --no-post-exit-timeout
- Stop waiting post-exit after the timeout period. (Default: 15 seconds)
Some tests fork and allow the parent to exit before writing all their
output. If Test2::Harness detects an incomplete plan after the test exits
it will monitor for more events until the timeout period. Add the "#
HARNESS-NO-TIMEOUT" comment to the top of a test file to disable
timeouts on a per-test basis.
- --preload-threshold ARG
- --preload-threshold=ARG
- --Pt ARG
- --Pt=ARG
- -W ARG
- -W=ARG
- --no-preload-threshold
- Only do preload if at least N tests are going to be run. In some cases a
full preload takes longer than simply running the tests, this lets you
specify a minimum number of test jobs that will be run for preload to
happen. This has no effect for a persistent runner. The default is 0, and
it means always preload.
- --preloads ARG
- --preloads=ARG
- --preload ARG
- --preload=ARG
- -P ARG
- -P=ARG
- --no-preloads
- Preload a module before running tests
Can be specified multiple times
- --resource Port
- --resource +Test2::Harness::Runner::Resource::Port
- -R Port
- --no-resource
- Use a resource module to assign resource assignments to individual tests
Can be specified multiple times
- --switch ARG
- --switch=ARG
- -S ARG
- -S=ARG
- --no-switch
- Pass the specified switch to perl for each test. This is not compatible
with preload.
Can be specified multiple times
- --tlib
- --no-tlib
- (Default: off) Include 't/lib' in your module path
- --unsafe-inc
- --no-unsafe-inc
- perl is removing '.' from @INC as a security
concern. This option keeps things from breaking for now.
Can also be set with the following environment variables:
"PERL_USE_UNSAFE_INC"
- --use-fork
- --fork
- --no-use-fork
- (default: on, except on windows) Normally tests are run by forking, which
allows for features like preloading. This will turn off the behavior
globally (which is not compatible with preloading). This is slower, it is
better to tag misbehaving tests with the '# HARNESS-NO-PRELOAD' comment in
their header to disable forking only for those tests.
Can also be set with the following environment variables:
"!T2_NO_FORK",
"T2_HARNESS_FORK",
"!T2_HARNESS_NO_FORK",
"YATH_FORK",
"!YATH_NO_FORK"
- --use-timeout
- --timeout
- --no-use-timeout
- (default: on) Enable/disable timeouts
Workspace Options
- --clear
- -C
- --no-clear
- Clear the work directory if it is not already empty
- --tmp-dir ARG
- --tmp-dir=ARG
- --tmpdir ARG
- --tmpdir=ARG
- -t ARG
- -t=ARG
- --no-tmp-dir
- Use a specific temp directory (Default: use system temp dir)
Can also be set with the following environment variables:
"T2_HARNESS_TEMP_DIR",
"YATH_TEMP_DIR",
"TMPDIR",
"TEMPDIR",
"TMP_DIR",
"TEMP_DIR"
- --workdir ARG
- --workdir=ARG
- -w ARG
- -w=ARG
- --no-workdir
- Set the work directory (Default: new temp directory)
Can also be set with the following environment variables:
"T2_WORKDIR",
"YATH_WORKDIR"
YathUI Options
- --yathui-api-key ARG
- --yathui-api-key=ARG
- --no-yathui-api-key
- Yath-UI API key. This is not necessary if your Yath-UI instance is set to
single-user
- --yathui-db
- --no-yathui-db
- Add the YathUI DB renderer in addition to other renderers
- --yathui-grace
- --no-yathui-grace
- If yath cannot connect to yath-ui it normally throws an error, use this to
make it fail gracefully. You get a warning, but things keep going.
- --yathui-long-duration 10
- --no-yathui-long-duration
- Minimum duration length (seconds) before a test goes from MEDIUM to
LONG
- --yathui-medium-duration 5
- --no-yathui-medium-duration
- Minimum duration length (seconds) before a test goes from SHORT to
MEDIUM
- --yathui-mode summary
- --yathui-mode qvf
- --yathui-mode qvfd
- --yathui-mode complete
- --no-yathui-mode
- Set the upload mode (default 'qvfd')
- --yathui-only
- --no-yathui-only
- Only use the YathUI renderer
- --yathui-only-db
- --no-yathui-only-db
- Only use the YathUI DB renderer
- --yathui-port 8080
- --no-yathui-port
- Port to use when running a local server
- --yathui-port-command get_port.sh
- --yathui-port-command get_port.sh --pid $$
- --no-yathui-port-command
- Use a command to get a port number. "$$" will be replaced with
the PID of the yath process
- --yathui-project ARG
- --yathui-project=ARG
- --no-yathui-project
- The Yath-UI project for your test results
- --yathui-render
- --no-yathui-render
- Add the YathUI renderer in addition to other renderers
- --yathui-retry
- --no-yathui-retry
- How many times to try an operation before giving up
Can be specified multiple times
- --yathui-schema PostgreSQL
- --yathui-schema MySQL
- --yathui-schema MySQL56
- --no-yathui-schema
- What type of DB/schema to use when using a temporary database
- --yathui-url http://my-yath-ui.com/...
- --uri http://my-yath-ui.com/...
- --no-yathui-url
- Yath-UI url
- --yathui-user ARG
- --yathui-user=ARG
- --no-yathui-user
- Username to attach to the data sent to the db
- --yathui-db-buffering none
- --yathui-db-buffering job
- --yathui-db-buffering diag
- --yathui-db-buffering run
- --no-yathui-db-buffering
- Type of buffering to use, if "none" then events are written to
the db one at a time, which is SLOW
- --yathui-db-config ARG
- --yathui-db-config=ARG
- --no-yathui-db-config
- Module that implements 'MODULE->yath_ui_config(%params)' which should
return a Test2::Harness::UI::Config instance.
- --yathui-db-coverage
- --no-yathui-db-coverage
- Pull coverage data directly from the database (default: off)
- --yathui-db-driver Pg
- --yathui-db-drivermysql
- --yathui-db-driverMariaDB
- --no-yathui-db-driver
- DBI Driver to use
- --yathui-db-dsn ARG
- --yathui-db-dsn=ARG
- --no-yathui-db-dsn
- DSN to use when connecting to the db
- --yathui-db-durations
- --no-yathui-db-durations
- Pull duration data directly from the database (default: off)
- --yathui-db-flush-interval 2
- --yathui-db-flush-interval 1.5
- --no-yathui-db-flush-interval
- When buffering DB writes, force a flush when an event is recieved at least
N seconds after the last flush.
- --yathui-db-host ARG
- --yathui-db-host=ARG
- --no-yathui-db-host
- hostname to use when connecting to the db
- --yathui-db-name ARG
- --yathui-db-name=ARG
- --no-yathui-db-name
- Name of the database to use for yathui
- --yathui-db-pass ARG
- --yathui-db-pass=ARG
- --no-yathui-db-pass
- Password to use when connecting to the db
- --yathui-db-port ARG
- --yathui-db-port=ARG
- --no-yathui-db-port
- port to use when connecting to the db
- --yathui-db-publisher ARG
- --yathui-db-publisher=ARG
- --no-yathui-db-publisher
- When using coverage or duration data, only use data uploaded by this
user
- --yathui-db-socket ARG
- --yathui-db-socket=ARG
- --no-yathui-db-socket
- socket to use when connecting to the db
- --yathui-db-user ARG
- --yathui-db-user=ARG
- --no-yathui-db-user
- Username to use when connecting to the db
The source code repository for Test2-Harness can be found at
http://github.com/Test-More/Test2-Harness/.
- Chad Granum <exodist@cpan.org>
- Chad Granum <exodist@cpan.org>
Copyright 2022 Chad Granum <exodist7@gmail.com>.
This program is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.
See http://dev.perl.org/licenses/
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