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Catch2 Test Explorer for Visual Studio Code

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This extension allows you to run your Catch2 tests using the Test Explorer for VS Code.

Configuration

Property Description
catch2TestExplorer.executables The location of your test executables (relative to the workspace folder or absolute path) and with a lot of other setting. Details: below
catch2TestExplorer.defaultCwd The working directory where the test is run (relative to the workspace folder or absolue path), if it isn't provided in "executables". (Resolves: ${workspaceFolder})
catch2TestExplorer.defaultEnv Default environment variables to be set when running the tests, if it isn't provided in 'executables'. (Resolves: ${workspaceFolder})
catch2TestExplorer.debugConfigTemplate Set the necessary debug configuraitons and the debug button will work. Details: below
catch2TestExplorer.debugBreakOnFailure Debugger breaks on failure while debugging the test. This is a Catch2 parameter: --break
catch2TestExplorer.defaultNoThrow Skips all assertions that test that an exception is thrown, e.g. REQUIRE_THROWS. This is a Catch2 parameter: --nothrow
catch2TestExplorer.defaultRngSeed Specify a seed for the Random Number Generator. For details see Catch2 documentation
catch2TestExplorer.defaultWatchTimeoutSec Test executables are being watched. In case of one compiles too much this variable can help with it. Unit: second.
catch2TestExplorer.enableSourceDecoration Sets the source code decorations: Errored lines will be highlited.
catch2TestExplorer.workerMaxNumber The variable maximize the number of the parallel test execution.
testExplorer.onStart (This is part of the dependency extension's settings.)
testExplorer.onReload (This is part of the dependency extension's settings.)

catch2TestExplorer.executables

This variable can be string, an array of strings, an array of objects or an array of strings and objects.

If it is an object it can contains the following properties:

Property Description
name (optional) The name of the test suite (file). Can contains variables related to pattern.
pattern (requierd) A relative pattern (to workspace) or an absolute file-path. ⚠️Avoid backslash! (Details). Example: {build,out}/**/test[1-9]*
path (alias) Alias of pattern.
cwd (optional) The current working directory for the test executable. If it isn't provided and defaultCwd does, then that will be used. Can contains variables related to pattern.
env (optional) Environment variables for the test executable. If it isn't provided and defaultEnv does, then that will be used. Can contains variables related to pattern.

Variables which can be used in name, cwd and env of executables:

Variable Description
${absPath} Absolute path of the test executable
${relPath} Relative path of the test executable to the workspace folder
${absDirpath} Absolute path of the test executable's parent directory
${relDirpath} Relative path of the test executable's parent directory to the workspace folder
${filename} Filename (Path withouth directories, "d/a.b.c" => "a.b.c")
${baseFilename} Filename without extension ("d/a.b.c" => "a.b")
${extFilename} Filename extension. ("d/a.b.c" => ".c")
${base2Filename} Filename without second extension ("d/a.b.c" => "a")
${ext2Filename} Filename's second level extension. ("d/a.b.c" => ".b")
${base3Filename} Filename without third extension ("d/a.b.c" => "a")
${ext3Filename} Filename's third level extension. ("d/a.b.c" => "")
${workspaceDirectory} (You can only guess once.)
${workspaceFolder} Alias of ${workspaceDirectory}

Examples:

"catch2TestExplorer.executables": "dir/test.exe"
"catch2TestExplorer.executables": ["dir/test1.exe", "dir/test2.exe"]
"catch2TestExplorer.executables": {
	"name": "${relName} (${relDirname}/)",
	"pattern": "{build,Build,BUILD,out,Out,OUT}/**/*{test,Test,TEST}*",
	"cwd": "${absDirpath}",
	"env": {
		"ExampleENV1": "You can use variables here too, like ${absName}"
	}
}
"catch2TestExplorer.executables": [
	{
		"name": "Test1 suite",
		"pattern": "dir/test.exe"
	},
	"singleTest.exe",
	{
		"pattern": "dir2/{t,T}est",
		"cwd": "out/tmp",
		"env": {}
	}
]

catch2TestExplorer.debugConfigTemplate

If catch2TestExplorer.debugConfigTemplate value is null (default), it will look after vadimcn.vscode-lldb and ms-vscode.cpptools extensions. If it founds one of it, it will use it automatically.

Or user can manually fill it

See here for details.

Usable variables:

Variable name Value meaning Type
${label} The name of the test. Same as in the Test Explorer. string
${exec} The path of the executable. string
${args} The arguments for the executable. string[]
${cwd} The current working directory for execution. string
${envObj} The environment variables as object properties. { [prop: string]: any }

These variables will be substituted when a DebugConfiguration is created.

Note that name and request are prefilled, so it is not necessary to set them.

Example:

{
  "type": "cppdbg",
  "MIMode": "lldb",
  "program": "${exec}",
  "args": "${args}",
  "cwd": "${cwd}",
  "env": "${envObj}",
  "externalConsole": false
}

License

The Unlicense

Known issues

  • (2018-09-03) On windows the navigate to source button isn't working. It is a framework bug.
  • (2018-11-17) Long (>80 character) filename, test-name or description can cause test-list parsing failures. Workaround: #define CATCH_CONFIG_CONSOLE_WIDTH 9999

TODOs

Contribution

Any contribution is welcome.

  • Create a pull request.
  • Report a bug.
  • Tell me about requested features.