Split man.test to make tests pass without oniguruma (#2722)

docs/README.md

@@ -5,22 +5,22 @@ The jq website, manpages and some of the tests are generated from this
 directory. The manual is a YAML file in `content/manual`.
 
 To build the documentation (including building the jq manpage), you'll
-need python3 and pipenv. You can install pipenv like so:
+need `python3` and `pipenv`. You can install `pipenv` like so:
 
     pip install pipenv
 
-Though, you may need to say pip3 instead, depending on your system. Once
-you have pipenv installed, you can install the dependencies by running
-`pipenv install` from the `docs` directory.
+Though, you may need to say `pip3` instead, depending on your system. Once
+you have `pipenv` installed, you can install the dependencies by running
+`pipenv sync` from the `docs` directory.
 
 Also, you may need to run `virtualenv -p /usr/bin/python3 venv/` and
-then `source venv/bin/activate`, and only then `pipenv install`.
+then `source venv/bin/activate`, and only then `pipenv sync`.
 
 Once this is done, rerun `./configure` in the jq root directory and then
 the Makefile will be able to generate the jq manpage.  You can also just
 run `pipenv run build_manpage.py` in the `docs` directory to build the
 `jq.1` page manually, and `pipenv run build_mantests.py` to build the
-contents of `tests/man.test`.
+contents of `tests/man.test` and `tests/manonig.test`.
 
 To build the website, run `pipenv run ./build_website.py` from inside
 the `docs` directory.

docs/build_mantests.py

@@ -1,13 +1,21 @@
 #!/usr/bin/env python3
 import yaml
+import re
 
-with open("content/manual/manual.yml") as f:
-    manual = yaml.safe_load(f)
+regex_program_pattern = re.compile(
+    r'\b(?:test|match|capture|scan|split|splits|sub|gsub)\s*\(')
+
+with open('content/manual/manual.yml') as source, \
+        open('../tests/man.test', 'w') as man, \
+        open('../tests/manonig.test', 'w') as manonig:
+    manual = yaml.safe_load(source)
     for section in manual.get('sections', []):
         for entry in section.get('entries', []):
             for example in entry.get('examples', []):
-                print(example.get('program', '').replace('\n', ' '))
-                print(example.get('input', ''))
+                program = example.get('program', '').replace('\n', ' ')
+                out = manonig if regex_program_pattern.search(program) else man
+                print(program, file=out)
+                print(example.get('input', ''), file=out)
                 for s in example.get('output', []):
-                    print(s)
-                print('')
+                    print(s, file=out)
+                print('', file=out)