Merge pull request #272 from conveyal/dev

Next release

Author: landonreed

README.md

@@ -214,6 +214,7 @@ Options:
   -u, --update-snapshots                  Force update of snapshots. USE WITH CAUTION.
   --coverage                              Run Jest with coverage reporting
   --coverage-paths <paths>                Extra paths to collect code coverage from
+  --jest-cli-args <args>                  Extra arguments to pass directly to the Jest Cli. Make sure to encapsulate all extra arguments in quote
   --no-cache                              Run Jest without cache (defaults to using cache)
   --run-in-band                           Run all tests serially in the current process
   --setup-files <paths>                   Setup files to run before each test

bin/mastarm-test

@@ -26,6 +26,10 @@ commander
     'Extra paths to collect code coverage from'
   )
   .option('--force-exit', 'Force Jest to exit after all tests have completed running.')
+  .option(
+    '--jest-cli-args <args>',
+    'Extra arguments to pass directly to the Jest Cli. Make sure to encapsulate all extra arguments in quotes'
+  )
   .option('--no-cache', 'Run Jest without cache (defaults to using cache)')
   .option('--run-in-band', 'Run all tests serially in the current process')
   .option('--setup-files <paths>', 'Setup files to run before each test')

lib/jest.js

@@ -72,6 +72,10 @@ module.exports.generateTestConfig = (patterns, options) => {
 
   jestArguments.push('--config', JSON.stringify(jestConfig))
 
+  if (options.jestCliArgs) {
+    jestArguments = jestArguments.concat(...options.jestCliArgs.split(' '))
+  }
+
   if (patterns) {
     jestArguments = jestArguments.concat(patterns)
   }