ember_helpers

#!/bin/bash

#######################################
# Run ember exam against a set of files
# Flags:
# -c: (default) run test files from git unstaged changes, i.e., test files you seen in 'git status'
# -d: run test files in from git head
# -h: help
# -s: append the `--server` flag
# files[,files]: run supplied test files
#######################################
emberTests() {
  gitHead_flag=''
  gitChanges_flag=''
  help_flag=''
  listOfTestFiles=''
  finalTestFiles=''
  filter=''
  server_flag=''

while getopts f:cdhs opt; do
	case $opt in
	f) filter=$OPTARG ;;
	c) gitChanges_flag=1 ;;
	d) gitHead_flag=1 ;;
	h) help_flag=1 ;;
	s) server_flag="--server" ;;
	'?')
    # looks like a param was passed that was not caught here
		echo >&2 "Invalid option: ${@:$OPTIND:1}"
    echo "Unrecognized parameter. Trying running the command with the help (-h) flag"
		return 1
	;;
	esac
	shift $OPTIND-1
done
[[ $1 = -- ]] && shift

  # determine which (if any) test files we're going to run
  if [[ $OPTIND -eq 0 ]] ; then
    # default to '-c' param if no arguments passed in
    echo "defaulting to `emberTests -c` since no arguments found"
    emberTests -c
    return 1
  elif [[ "$gitChanges_flag" == 1 ]]; then
    echo "Testing files in git status:"
    listOfTestFiles=$(git status --porcelain | sed s/^...// | grep test)
    echo "$listOfTestFiles"
    finalTestFiles=$(echo "$listOfTestFiles" | tr '\n' ',' | sed 's/.$//')
  elif [[ "$gitHead_flag" == 1 ]]; then
    echo "Testing files in git HEAD:"
    listOfTestFiles=$(git diff HEAD^ HEAD --name-only -- '*test*')
    echo "$listOfTestFiles"
    finalTestFiles=$(echo "$listOfTestFiles" | tr '\n' ',' | sed 's/.$//' | xargs echo)
  elif [[ "$help_flag" == 1 ]]; then
    echo "emberTests is a helper for plugging a set of test files into 'ember exam --path dist --file-path'"
    echo ""
    echo "Usage:"
    echo "-c (default) - run test files from git unstaged changes (see 'git status')"
    echo "-d - run test files from files in git head"
    echo "\"filePath[,otherFilePath]\" - file paths of tests to run"
    echo "-f \"filter string\": filter to apply to limit tests in supplied file set"
    echo "-s - append the `--server` flag"
  else
    echo "Assuming you\'ve passed in a file/files"
    echo "Passing the following to ember exam:"
    finalTestFiles=$1
    echo $finalTestFiles
  fi

  # exit early since there are no files to test and we'll wait forever if this gets passed to ember exam
  if [[ -z "$finalTestFiles" ]]; then
    return 1
  fi

  # run the tests
  if [[ -z $filter ]]; then
    ember exam --path dist --file-path ${finalTestFiles} ${server_flag}
  else
    echo ""
    echo "Filtering for: ${filter}"
    echo ""
    ember exam --path dist --file-path ${finalTestFiles} --filter ${filter} ${server_flag}
  fi
}