用法
Nightwatch 包含一個命令列測試執行器，可輕鬆執行測試並產生有用的輸出。請參閱安裝章節，以了解如何安裝執行器。根據您的安裝類型，有幾種不同的選項可以使用測試執行器。
全域
如果您已全域安裝 Nightwatch (使用 -g 選項)，則二進位檔 nightwatch 將在任何地方都可用
nightwatch [source] [options]
專案特定
如果您已將 Nightwatch 安裝為專案的相依性，您可以從 node_modules/.bin 資料夾參考二進位檔，或使用 NPM 提供的 npx 命令。
npx nightwatch [source] [options]
或直接
./node_modules/.bin/nightwatch [source] [options]
在 Windows 上
node node_modules/.bin/nightwatch [source] [options]
測試來源
選用的 source 引數可以是一個或多個檔案，或整個資料夾。這將覆寫 src_folders 設定中設定的值。
執行單一測試
nightwatch tests/one/firstTest.js
執行 2 個個別測試
nightwatch tests/one/firstTest.js tests/secondTest.js
執行 1 個個別測試和 1 個資料夾
nightwatch tests/one/test.js tests/utils
執行器選項
測試執行器支援許多 CLI 引數。若要顯示全部，請執行
nightwatch --help
Usage: ./node_modules/.bin/nightwatch [source] [options]
Main options:
--env, -e ........ Specify the testing environment to use. [default: "default"]
--config, -c ..... Path to configuration file; nightwatch.conf.js or nightwatch.json are read by default if present. [required] [default: "./nightwatch.json"]
--test, -t ....... Runs a single test.
--testcase ....... Used only together with --test. Runs the specified testcase from the current suite/module.
--mocha .......... Set the test runner to use Mocha.
--timeout ........ Set the global timeout for assertion retries before an assertion fails.
--reuse-browser .. Use the same browser session to run the individual test suites
--parallel ....... Enable running the tests in parallel mode, via test workers; can also specify de desired workers count (e.g. --parallel=4)
--headless ....... Launch the browser (Chrome, Edge or Firefox) in headless mode.
--devtools ....... Automatically open devtools when launching the browser (Chrome, Edge, or Safari).
--verbose ........ Displays extended HTTP command logging during the test run.
--fail-fast ...... Run in "fail-fast" mode: if a test suite cannot be started, the rest will be aborted
--list-files ..... Shows list of files present in the project.
Tags & filtering:
--group, -g ...... Runs a group of tests (i.e. a folder)
--skipgroup, -s .. Skips one or several (comma separated) group of tests.
--filter, -f ..... Specify a filter (glob expression) as the file name format to use when loading the files.
--tag, -a ........ Only run tests with the given tag.
--skiptags ....... Skips tests that have the specified tag or tags (comma separated).
Test Filters – Mocha only:
--grep ........... Only run tests matching this string or regexp.
--fgrep .......... Only run tests containing this string.
--invert ......... Inverts --grep and --fgrep matches.
Retrying:
--retries ........ Retries failed or errored testcases up <n> times.
--suiteRetries ... Retries failed or errored testsuites up <n> times.
Reporting:
--output, -o ..... Where to save the (JUnit XML) test reports.
--reporter, -r ... Name of a predefined reporter (e.g. junit) or path to a custom reporter file to use. [default: ["junit","json","html"]]
--open ........... Opens the HTML report generated in the default browser at the end of test run
Component Tests:
--debug .......... Automatically pause the test execution after mounting the component and open the Nightwatch debug REPL interface.
--story .......... Allows to specify which story to run from the current file (when using Storybook or JSX written in component story format)
--preview ........ Used to preview a component story/test; automatically pause the test execution after mounting the component.
Info & help:
--help, -h ....... Shows this help (pass COLORS=0 env variable to disable colors).
--info ........... Shows environment info, i.e. OS, cpu, Node.js and installed browsers.
--version, -v .... Shows version information.
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