run-recent-tests

#!/bin/bash

NUM_COMMITS=4
TEST_DIR=src/test

while [ $# -gt 0 ]; do
  case $1 in
    -n)
      shift
      NUM_COMMITS=$1
      ;;
    *)
      echo bad param: $1
      exit 1
      ;;
  esac
  shift
done

if grep -q test.hdfs.commit.tests.file build.xml ; then
  TEST_TARGET=run-commit-test
  TESTFILE_PROPERTY=test.hdfs.commit.tests.file
elif grep -q test.mapred.commit.tests.file build.xml ; then
  TEST_TARGET=run-commit-test
  TESTFILE_PROPERTY=test.mapred.commit.tests.file
elif grep -q test.all.tests.file build.xml ; then
  TESTFILE_PROPERTY=test.all.tests.file
  if grep -q '"run-test-core"' build.xml ; then
    TEST_TARGET=run-test-core
  else
    TEST_TARGET=test-core
  fi
else
  echo No idea what target/property to use
  exit 1
fi


if git rev-parse --show-cdup 2> /dev/null ; then
  (git whatchanged -n$NUM_COMMITS src/test/ ; git diff --numstat src/test ) | \
    egrep -o '/Test.*.java' | sed 's,^,**/,g' > /tmp/recent-tests
else
  REV_FOR_DIFF=$(svn log -l $NUM_COMMITS src/test | egrep -o '^r[0-9]+' | tail -1)
  (svn diff -r $REV_FOR_DIFF:HEAD --summarize ; svn stat ) | \
    egrep -o '/Test.*.java' | sed 's,^,**/,g' > /tmp/recent-tests
fi

sort /tmp/recent-tests | uniq > /tmp/recent-tests-sorted
mv /tmp/recent-tests-sorted /tmp/recent-tests

echo Going to run the following tests:
cat /tmp/recent-tests
echo ----------
sleep 1


ant -D${TESTFILE_PROPERTY}=/tmp/recent-tests $TEST_TARGET