Can run unit tests with Ninja.

builder_test.py

@@ -0,0 +1,38 @@
+#!/usr/bin/python3 -tt
+
+# Copyright 2013 Jussi Pakkanen
+
+# 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.
+
+import sys, subprocess
+
+def run_tests(datafilename):
+    for line in open(datafilename, 'r'):
+        line = line.strip()
+        if line == '':
+            continue
+        p = subprocess.Popen(line, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        (stdo, stde) = p.communicate()
+        if p.returncode != 0:
+            print('Error running test.')
+            print('Stdout:\n' + stdo)
+            print('Stderr:\n' + stde)
+            sys.exit(1)
+        print('Test "%s": OK' % line)
+
+if __name__ == '__main__':
+    if len(sys.argv) != 2:
+        print('Test runner for builder. Do not run on your own, mmm\'kay?')
+        print('%s [data file]' % sys.argv[0])
+    datafile = sys.argv[1]
+    run_tests(datafile)

generators.py

@@ -148,15 +148,33 @@ class NinjaGenerator(Generator):
         self.generate_rules(outfile)
         outfile.write('# Build rules for targets\n\n')
         [self.generate_target(t, outfile) for t in self.build.get_targets().values()]
+        outfile.write('# Test rules\n\n')
+        self.generate_tests(outfile)
         outfile.write('# Suffix\n\n')
         self.generate_ending(outfile)
         
+    def generate_tests(self, outfile):
+        script_root = '..' # FIXME
+        test_script = os.path.join(script_root, 'builder_test.py')
+        test_data = os.path.join(self.environment.get_scratch_dir(), 'builder_test_setup.dat')
+        outfile.write('build test: CUSTOM_COMMAND\n')
+        outfile.write(' COMMAND = \'%s\' \'%s\'\n\n' % (ninja_quote(test_script), ninja_quote(test_data)))
+        datafile = open(test_data, 'w')
+        for t in self.build.get_tests():
+            datafile.write(self.get_target_filename(t.get_exe()) + '\n')
+        datafile.close()
+
+
     def generate_rules(self, outfile):
         outfile.write('# Rules for compiling.\n\n')
         self.generate_compile_rules(outfile)
         outfile.write('# Rules for linking.\n\n')
         self.generate_static_link_rules(outfile)
         self.generate_dynamic_link_rules(outfile)
+        outfile.write('# Other rules\n\n')
+        outfile.write('rule CUSTOM_COMMAND\n')
+        outfile.write(' command = $COMMAND\n')
+        outfile.write(' restat = 1\n\n')
 
     def generate_static_link_rules(self, outfile):
         static_linker = self.build.static_linker