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147 lines
4.8 KiB
Groff
Generated
147 lines
4.8 KiB
Groff
Generated
.\" generated with Ronn/v0.7.3
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.\" http://github.com/rtomayko/ronn/tree/0.7.3
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.
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.TH "BATS" "1" "August 2021" "bats-core" "Bash Automated Testing System"
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.
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.SH "NAME"
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\fBbats\fR \- Bash Automated Testing System
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.
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.SH "SYNOPSIS"
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Usage: bats [OPTIONS] \fItests\fR bats [\-h | \-v]
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.
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.P
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\fItests\fR is the path to a Bats test file, or the path to a directory containing Bats test files (ending with "\.bats")
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.
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.SH "DESCRIPTION"
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Bats is a TAP\-compliant testing framework for Bash\. It provides a simple way to verify that the UNIX programs you write behave as expected\.
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.
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.P
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A Bats test file is a Bash script with special syntax for defining test cases\. Under the hood, each test case is just a function with a description\.
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.
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.P
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Test cases consist of standard shell commands\. Bats makes use of Bash\'s \fBerrexit\fR (\fBset \-e\fR) option when running test cases\. If every command in the test case exits with a \fB0\fR status code (success), the test passes\. In this way, each line is an assertion of truth\.
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.
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.P
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See \fBbats\fR(7) for more information on writing Bats tests\.
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.
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.SH "RUNNING TESTS"
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To run your tests, invoke the \fBbats\fR interpreter with a path to a test file\. The file\'s test cases are run sequentially and in isolation\. If all the test cases pass, \fBbats\fR exits with a \fB0\fR status code\. If there are any failures, \fBbats\fR exits with a \fB1\fR status code\.
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.
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.P
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You can invoke the \fBbats\fR interpreter with multiple test file arguments, or with a path to a directory containing multiple \fB\.bats\fR files\. Bats will run each test file individually and aggregate the results\. If any test case fails, \fBbats\fR exits with a \fB1\fR status code\.
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.
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.SH "OPTIONS"
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.
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.IP "\(bu" 4
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\fB\-c\fR, \fB\-\-count\fR: Count the number of test cases without running any tests
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.
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.IP "\(bu" 4
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\fB\-f\fR, \fB\-\-filter <regex>\fR: Filter test cases by names matching the regular expression
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.
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.IP "\(bu" 4
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\fB\-F\fR, \fB\-\-formatter <type>\fR: Switch between formatters: pretty (default), tap (default w/o term), tap13, junit
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.
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.IP "\(bu" 4
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\fB\-\-gather\-test\-outputs\-in <directory>\fR: Gather the output of failing \fIand\fR passing tests as files in directory
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.
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.IP "\(bu" 4
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\fB\-h\fR, \fB\-\-help\fR: Display this help message
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.
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.IP "\(bu" 4
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\fB\-j\fR, \fB\-\-jobs <jobs>\fR: Number of parallel jobs (requires GNU parallel)
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.
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.IP "\(bu" 4
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\fB\-\-no\-tempdir\-cleanup\fR: Preserve test output temporary directory
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.
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.IP "\(bu" 4
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\fB\-\-no\-parallelize\-across\-files\fR Serialize test file execution instead of running them in parallel (requires \-\-jobs >1)
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.
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.IP "\(bu" 4
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\fB\-\-no\-parallelize\-within\-files\fR Serialize test execution within files instead of running them in parallel (requires \-\-jobs >1)
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.
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.IP "\(bu" 4
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\fB\-\-report\-formatter <type>\fR: Switch between reporters (same options as \-\-formatter)
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.
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.IP "\(bu" 4
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\fB\-o\fR, \fB\-\-output <dir>\fR: Directory to write report files
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.
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.IP "\(bu" 4
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\fB\-p\fR, \fB\-\-pretty\fR: Shorthand for "\-\-formatter pretty"
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.
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.IP "\(bu" 4
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\fB\-\-print\-output\-on\-failure\fR: Automatically print the value of \fB$output\fR on failed tests
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.
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.IP "\(bu" 4
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\fB\-r\fR, \fB\-\-recursive\fR: Include tests in subdirectories
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.
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.IP "\(bu" 4
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\fB\-\-show\-output\-of\-passing\-tests\fR Print output of passing tests
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.
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.IP "\(bu" 4
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\fB\-t\fR, \fB\-\-tap\fR: Shorthand for "\-\-formatter tap"
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.
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.IP "\(bu" 4
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\fB\-T\fR, \fB\-\-timing\fR: Add timing information to tests
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.
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.IP "\(bu" 4
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\fB\-x\fR, \fB\-\-trace\fR: Print test commands as they are executed (like \fBset \-x\fR)
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.
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.IP "\(bu" 4
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\fB\-\-verbose\-run\fR: Make \fBrun\fR print \fB$output\fR by default
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.
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.IP "\(bu" 4
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\fB\-v\fR, \fB\-\-version\fR: Display the version number
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.
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.IP "" 0
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.
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.SH "OUTPUT"
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When you run Bats from a terminal, you\'ll see output as each test is performed, with a check\-mark next to the test\'s name if it passes or an "X" if it fails\.
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.
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.IP "" 4
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.
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.nf
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$ bats addition\.bats
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✓ addition using bc
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✓ addition using dc
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2 tests, 0 failures
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.
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.fi
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.
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.IP "" 0
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.
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.P
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If Bats is not connected to a terminal\-\-in other words, if you run it from a continuous integration system or redirect its output to a file\-\-the results are displayed in human\-readable, machine\-parsable TAP format\. You can force TAP output from a terminal by invoking Bats with the \fB\-\-tap\fR option\.
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.
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.IP "" 4
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.
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.nf
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$ bats \-\-tap addition\.bats
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1\.\.2
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ok 1 addition using bc
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ok 2 addition using dc
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.
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.fi
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.
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.IP "" 0
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.
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.SH "EXIT STATUS"
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The \fBbats\fR interpreter exits with a value of \fB0\fR if all test cases pass, or \fB1\fR if one or more test cases fail\.
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.
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.SH "SEE ALSO"
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Bats wiki: \fIhttps://github\.com/bats\-core/bats\-core/wiki/\fR
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.
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.P
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\fBbash\fR(1), \fBbats\fR(7)
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.
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.SH "COPYRIGHT"
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(c) 2017\-2021 bats\-core organization
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.
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.br
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(c) 2011\-2016 Sam Stephenson
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.
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.P
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Bats is released under the terms of an MIT\-style license\.
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