1 files changed, 129 insertions, 0 deletions
diff --git a/host/commands/emugen/tests/run-tests.sh b/host/commands/emugen/tests/run-tests.sh
new file mode 100755
index 000000000..67409edcc
--- /dev/null
+++ b/host/commands/emugen/tests/run-tests.sh
@@ -0,0 +1,129 @@
+#!/bin/sh
+
+# Copyright 2014 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+set -e
+
+export LANG=C
+export LC_ALL=C
+
+PROGDIR=$(dirname "$0")
+PROGNAME=$(basename "$0")
+
+fatal () {
+    echo "ERROR: $@"
+    exit 1
+}
+
+OPT_EMUGEN=
+OPT_HELP=
+OPT_OUT_DIR=
+OPT_TOOL=
+
+for OPT; do
+    OPTARG=$(expr "x$OPT" : "x[^=]*=\\(.*\\)" || true)
+    case $OPT in
+    --help|-h|-?)
+        OPT_HELP=true
+        ;;
+    --emugen=*)
+        OPT_EMUGEN=$OPTARG
+        ;;
+    --out-dir=*)
+        OPT_OUT_DIR=$OPTARG
+        ;;
+    --tool=*)
+        OPT_TOOL=$OPTARG
+        ;;
+    -*)
+        fatal "Invalid option '$OPT', see --help."
+        ;;
+    *)
+        fatal "This script doesn't take arguments, see --help."
+        ;;
+    esac
+done
+
+if [ "$OPT_HELP" ]; then
+    cat <<EOF
+Usage: $PROGNAME [options]
+
+Run the emugen test suite. This scripts looks for sub-directories
+named t.<number>/input, and uses them as input to 'emugen'. It then
+compares the output to t.<number>/expected/ content.
+
+Valid options:
+    --help|-h|-?         Print this help.
+    --out-dir=<dir>      Generate outputs into <dir>.
+    --emugen=<program>   Emugen program path, if not in path.
+    --tool=<tool>        Launch visual diff tool in case of differences.
+EOF
+    exit 0
+fi
+
+# Find emugen program
+EMUGEN=
+if [ "$OPT_EMUGEN" ]; then
+    EMUGEN=$OPT_EMUGEN
+else
+    EMUGEN=$(which emugen 2>/dev/null || true)
+    if [ -z "$EMUGEN" ]; then
+        fatal "Cannot find 'emugen' program in PATH, use --emugen=<program> option."
+    fi
+    echo "Auto-config: --emugen=$EMUGEN"
+fi
+if [ ! -f "$EMUGEN" ]; then
+    fatal "Emugen program doesn't exist: $EMUGEN"
+fi
+
+# Create output directory.
+OUT_DIR=
+if [ "$OPT_OUT_DIR" ]; then
+    OUT_DIR=$OPT_OUT_DIR
+else
+    OUT_DIR=/tmp/$USER-emugen-testing
+    echo "Auto-config: --out-dir=$OUT_DIR"
+fi
+mkdir -p "$OUT_DIR" && rm -rf "$OUT_DIR/emugen"
+
+OUT_DIR=$OUT_DIR/emugen
+
+# Find test directories
+TEST_DIRS=$(cd "$PROGDIR" && find . -name "t.*" | sed -e 's|^\./||')
+for TEST_DIR in $TEST_DIRS; do
+    IN=$PROGDIR/$TEST_DIR/input
+    PREFIXES=$(cd $IN && find . -name "*.in" | sed -e 's|^\./||g' -e 's|\.in$||g')
+    OUT=$OUT_DIR/$TEST_DIR
+    mkdir -p "$OUT/encoder"
+    mkdir -p "$OUT/decoder"
+    mkdir -p "$OUT/wrapper"
+    for PREFIX in $PREFIXES; do
+        echo "Processing $IN/foo.*"
+        $EMUGEN -i "$PROGDIR/$TEST_DIR/input" -D "$OUT/decoder" -E "$OUT/encoder" -W "$OUT/wrapper" $PREFIX
+    done
+    if ! diff -qr "$PROGDIR/$TEST_DIR/expected" "$OUT"; then
+        if [ "$OPT_TOOL" ]; then
+            $OPT_TOOL "$PROGDIR/$TEST_DIR/expected" "$OUT"
+        else
+            echo "ERROR: Invalid differences between actual and expected output!"
+            diff -burN "$PROGDIR/$TEST_DIR/expected" "$OUT"
+            exit 1
+        fi
+    fi
+done
+
+echo "All good!"
+exit 0