freetype2: add run_tests.sh (#13639)

Signed-off-by: David Korczynski <david@adalogics.com>

Author: DavidKorczynski

projects/freetype2/Dockerfile

@@ -25,6 +25,8 @@ RUN apt-get update &&  \
       make             \
       ninja-build
 
+# For run_tests.sh
+RUN python3 -m pip install meson ninja requests
 
 # Get some files for the seed corpus
 ADD https://github.com/adobe-fonts/adobe-variable-font-prototype/releases/download/1.001/AdobeVFPrototype.otf $SRC/font-corpus/
@@ -33,4 +35,4 @@ RUN git clone https://github.com/unicode-org/text-rendering-tests.git && cp text
 RUN git clone --depth 1 https://github.com/freetype/freetype2-testing.git
 WORKDIR freetype2-testing
 
-COPY build.sh $SRC/
+COPY *.sh $SRC/

projects/freetype2/run_tests.sh

@@ -0,0 +1,25 @@
+#!/bin/bash -eu
+# Copyright 2025 Google LLC.
+#
+# 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.
+#
+###############################################################################
+
+cd external/freetype2/
+python3 tests/scripts/download-test-fonts.py
+
+# The tests build with meson so we are forced to rebuild with meson here.
+# The harnesses are build with Makefiles.
+meson setup out -Dtests=enabled
+meson compile -C out
+meson test -C out