Add folding to travis script section (#686)

.travis.yml

@@ -29,9 +29,7 @@ install:
   - if [[ $TRAVIS_PYTHON_VERSION != 'pypy'* ]]; then pip install ujson; fi
 
 script:
-  - nosetests -v --with-flaky --no-flaky-report --with-coverage --cover-package=telegram/ tests
-  - if [[ $TRAVIS_PYTHON_VERSION == 3.5 ]]; then pre-commit run --all-files; fi
-  - python ./setup.py bdist_dumb
+  - python travis.py
 
 after_success:
   coveralls

requirements-dev.txt

@@ -7,3 +7,4 @@ yapf
 pre-commit
 pre-commit-hooks
 beautifulsoup4
+rednose

travis.py

@@ -0,0 +1,93 @@
+from __future__ import print_function
+
+import subprocess
+import sys
+from platform import python_implementation
+import inspect
+
+import nose
+from nose.config import Config
+from nose.plugins import Plugin, DefaultPluginManager
+from nose.plugins.cover import Coverage
+
+import tests
+
+
+class CustomCoverage(Coverage):
+    enabled = True
+    name = 'coverage'
+    score = 201  # One higher than original package
+
+    def report(self, stream):
+        fold('coverage', 'Coverage report', stream=stream)
+        super(CustomCoverage, self).report(stream)
+        fold('coverage', stream=stream)
+
+
+class FoldPlugin(Plugin):
+    enabled = True
+    name = 'travis-fold'
+    score = 100
+
+    def setOutputStream(self, stream):
+        self.stream = stream
+
+    def startContext(self, context):
+        if inspect.ismodule(context) and context != tests:
+            fold(context.__name__, context.__name__, stream=self.stream)
+
+    def stopContext(self, context):
+        if inspect.ismodule(context) and context != tests:
+            fold(context.__name__, stream=self.stream)
+
+folds = set()
+
+
+def fold(foldname, comment=None, stream=sys.stdout):
+    if foldname in folds:
+        folds.remove(foldname)
+        print('\ntravis_fold:end:{}'.format(foldname), file=stream, end='')
+    else:
+        folds.add(foldname)
+        print('travis_fold:start:{}'.format(foldname), file=stream, end='')
+
+    if comment:
+        print('\n{}'.format(comment), file=stream)
+    else:
+        print('', file=stream)
+
+
+def main():
+    print('Starting...')
+    fold('tests', 'Running tests...')
+    config = Config(verbosity=2, plugins=DefaultPluginManager(), env={'NOSE_REDNOSE': '1'})
+    tests = nose.run(argv=['--with-flaky', '--no-flaky-report',
+                           '--with-coverage', '--cover-package=telegram/',
+                           '--with-travis-fold',
+                           'tests'],
+                     addplugins=[FoldPlugin(), CustomCoverage()],
+                     config=config)
+    print('\n' * 2)
+    if tests:
+        fold('tests')
+
+    # Only run pre-commit hooks once
+    pre_commit = True
+    if sys.version_info[:2] == (3, 6) and python_implementation() == 'CPython':
+        fold('pre-commit', 'Running pre-commits')
+        # TODO: Only run pre-commit hooks on changed files
+        # Using something like git diff-tree and $TRAVIS_COMMIT_RANGE
+        pre_commit = subprocess.call(['pre-commit', 'run', '--all-files']) == 0
+        if pre_commit:
+            fold('pre-commit')
+
+    fold('bdist_dumb', 'Testing build...')
+    # run_setup('setup.py', ['bdist_dumb'])  # Makes us unable to fetch exit code
+    bdist_dumb = subprocess.call(['python', 'setup.py', 'bdist_dumb']) == 0
+    if bdist_dumb:
+        fold('bdist_dumb')
+
+    sys.exit(0 if all((tests, pre_commit, bdist_dumb)) else 1)
+
+if __name__ == '__main__':
+    main()