1 files changed, 66 insertions, 0 deletions
diff --git a/test cases/common/260 opaque/ersatz_doctool.py b/test cases/common/260 opaque/ersatz_doctool.py
new file mode 100644
index 000000000..69fdfb08e
--- /dev/null
+++ b/test cases/common/260 opaque/ersatz_doctool.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+
+import sys, os, subprocess, shutil
+import pathlib
+
+from argparse import ArgumentParser
+
+# Argparse does not permit ignoring unknown args.
+# Do it by hand.
+
+known_args = ['--out',
+              '--scratch',
+              '--stamp',
+              '--dep']
+
+def is_known(arg):
+    for a in known_args:
+        if arg.startswith(a):
+            return True
+    return False
+
+parser = ArgumentParser(description='Helper tool to test opaque generation')
+
+parser.add_argument('--out',
+                    required=True, help='Directory where to write final output.')
+parser.add_argument('--scratch',
+                    required=True,
+                    help='Directory to use for temporary files.')
+parser.add_argument('--stamp', required=True,
+                    help='Path to stamp file.')
+parser.add_argument('--dep', required=True,
+                    help='Path to dependency file.')
+
+def run_doxygen(meson_args, extra_args):
+    if len(extra_args) != 1:
+        sys.exit('Incorrect number of input arguments.')
+    if extra_args[0] != '--foobar':
+        sys.exit(f'Input arg is incorrect: {extra_args[0]}')
+    known_args = [x for x in meson_args if is_known(x)]
+    meson_opts = parser.parse_args(known_args)
+    outdir = pathlib.Path(meson_opts.out)
+    outsub = outdir / 'subdir'
+    scratchdir = pathlib.Path(meson_opts.scratch)
+    if os.path.exists(meson_opts.stamp):
+        os.unlink(meson_opts.stamp)
+    if not scratchdir.is_dir():
+        sys.exit('Meson did not create scratch dir.')
+    if not outdir.is_dir():
+        sys.exit('Meson did not create out dir.')
+    with open(scratchdir / 'dummy_file', 'wb'):
+        pass
+    with open(outdir / 'out_top.txt', 'wb'):
+        pass
+    outsub.mkdir(exist_ok=True)
+    with open(outsub / 'out_subdir.txt', 'wb'):
+        pass
+    # Always touch the stamp file last after every other step has succeeded.
+    with open(meson_opts.stamp, 'w'):
+        pass
+
+if __name__ == '__main__':
+    for i in range(len(sys.argv)):
+        if sys.argv[i] == '--':
+            run_doxygen(sys.argv[1:i], sys.argv[i+1:])
+            sys.exit(0)
+    sys.exit('Mandatory separator argument "--" missing.')