Jasmine Unit Test Generator

unit_test_generator.sh

#!/bin/bash

# Jasmine Unit Test Generator

# Assumes the codebase uses this module pattern:
# (https://gist.github.com/andrewchilds/ffcae28b2b01c5fbbb12)

# App.module('ModuleName', function (exports) {
#   exports.myFunctionName = function () {};
# });

# Assumes Jasmines testing uses this structure:

# describe 'ModuleName', ->
#   describe '#myFunctionName', ->

# set -x
set -e

################################################################################

# Configuration

sourceFileRoot="app/client/js"
testFileRoot="test/spec/client"
specFileExtension=".spec.coffee"

################################################################################

function escapeForSed {
  echo "$1" | sed -e 's/[]\/$*.^|[]/\\&/g'
}

escapedSourceFileRoot="$(escapeForSed $sourceFileRoot)"

fileCount=0
testedCount=0
untestedCount=0

sourceFiles=$(ls -R $sourceFileRoot/*.js $sourceFileRoot/*/*.js)

for sourceFile in $sourceFiles; do
  fileCount=$(($fileCount + 1))
  testFile=$(echo "$sourceFile" | sed "s/$escapedSourceFileRoot//g" | sed "s/.js$/$specFileExtension/g")
  testFile="$testFileRoot$testFile"
  testFunctions=$(grep "exports\..* = function (" $sourceFile | sed 's/ *exports.//g' | sed 's/ = function .*//g')
  fileNamespace=$(cat "$sourceFile" | grep 'App.module(' | grep 'App\.module(' | sed 's/App.module(//g' | sed 's/, .*//g')

  if [ ! -e "$testFile" ]; then
    mkdir -p "$(dirname "$testFile")"
    touch "$testFile"

    cat >> "$testFile" << EOF
describe $fileNamespace, ->
EOF
  fi

  for testFunction in $testFunctions; do
    if grep -q "describe \'\#$testFunction\'" "$testFile"; then
      testedCount=$(($testedCount + 1))
    else
      untestedCount=$(($untestedCount + 1))
      cat >> "$testFile" << EOF

  describe '#$testFunction', ->
    it 'should work', ->
      expect(true).toBe(false)
EOF

    fi
  done
done

echo "$fileCount source files scanned, found $testedCount functions tested and $untestedCount functions untested."

exit 0