tools/tests/run.sh

#!/bin/bash

# Tests for our tools.
# TODO: for now, it only tests skdiff
# TODO: for now, assumes that it is being run from .../trunk

# TODO: make it look in Release and/or Debug
SKDIFF_BINARY=out/Debug/skdiff

# Compare contents of all files within directories $1 and $2,
# EXCEPT for any dotfiles.
# If there are any differences, a description is written to stdout and
# we exit with a nonzero return value.
# Otherwise, we write nothing to stdout and return.
function compare_directories {
  diff --exclude=.* $1 $2
  if [ $? != 0 ]; then
    echo "failed in: compare_directories $1 $2"
    exit 1
  fi
}

# Run skdiff with arguments in $1 (plus implicit final argument causing skdiff
# to write its output, if any, to directory $2/output-actual).
# Then compare its results against those in $2/output-expected.
function skdiff_test {
  SKDIFF_ARGS="$1"
  ACTUAL_OUTPUT_DIR="$2/output-actual"
  EXPECTED_OUTPUT_DIR="$2/output-expected"

  rm -rf $ACTUAL_OUTPUT_DIR
  mkdir -p $ACTUAL_OUTPUT_DIR
  $SKDIFF_BINARY $SKDIFF_ARGS $ACTUAL_OUTPUT_DIR &>$ACTUAL_OUTPUT_DIR/stdout
  compare_directories $EXPECTED_OUTPUT_DIR $ACTUAL_OUTPUT_DIR
}

SKDIFF_TESTDIR=tools/tests/skdiff
skdiff_test "$SKDIFF_TESTDIR/baseDir $SKDIFF_TESTDIR/comparisonDir" "$SKDIFF_TESTDIR/test1"
echo "All tests passed."