Update tests to work with hypothesis 6

test-requirements.txt

@@ -1,4 +1,4 @@
-hypothesis>=5.0.0,<6.0.0
+hypothesis>=5.0.0,<7.0.0
 pytest
 pytest-cov
 pytest-localserver

tests/storage/__init__.py

@@ -4,9 +4,8 @@ import uuid
 from urllib.parse import quote as urlquote
 from urllib.parse import unquote as urlunquote
 
-import hypothesis.strategies as st
 import pytest
-from hypothesis import given
+from hypothesis import settings
 
 from .. import assert_item_equals
 from .. import EVENT_TEMPLATE
@@ -299,10 +298,14 @@ class StorageTests:
             assert rv == x
             assert isinstance(rv, str)
 
-    @given(value=st.one_of(
-        st.none(),
-        printable_characters_strategy
-    ))
+    @pytest.mark.parametrize(
+        "value",
+        [None]
+        + [
+            printable_characters_strategy.example()
+            for _ in range(settings.get_profile(settings._current_profile).max_examples)
+        ],
+    )
     def test_metadata_normalization(self, requires_metadata, s, value):
         x = s.get_meta('displayname')
         assert x == normalize_meta_value(x)

tests/system/cli/test_discover.py

@@ -1,8 +1,7 @@
 import json
 from textwrap import dedent
 
-import hypothesis.strategies as st
-from hypothesis import given
+import pytest
 
 from vdirsyncer import exceptions
 from vdirsyncer.storage.base import Storage
@@ -176,7 +175,15 @@ def test_null_collection_with_named_collection(tmpdir, runner):
     assert 'HAHA' in bar.read()
 
 
-@given(a_requires=st.booleans(), b_requires=st.booleans())
+@pytest.mark.parametrize(
+    "a_requires,b_requires",
+    [
+        (True, True),
+        (True, False),
+        (False, True),
+        (False, False),
+    ]
+)
 def test_collection_required(a_requires, b_requires, tmpdir, runner,
                              monkeypatch):
 

tests/system/cli/test_sync.py

@@ -4,8 +4,7 @@ from textwrap import dedent
 
 import hypothesis.strategies as st
 import pytest
-from hypothesis import example
-from hypothesis import given
+from hypothesis import settings
 
 
 def test_simple_run(tmpdir, runner):
@@ -271,13 +270,7 @@ def test_multiple_pairs(tmpdir, runner):
     }
 
 
-hack = 0
-
-
-# XXX: https://github.com/pimutils/vdirsyncer/issues/617
-@pytest.mark.skipif(sys.platform == 'darwin',
-                    reason='This test inexplicably fails')
-@given(collections=st.sets(
+collections_strategy = st.sets(
     st.text(
         st.characters(
             blacklist_characters=set(
@@ -290,18 +283,28 @@ hack = 0
         max_size=50
     ),
     min_size=1
-))
-@example(collections=['persönlich'])
-@example(collections={'a', 'A'})
-@example(collections={'\ufffe'})
+)
+
+
+# XXX: https://github.com/pimutils/vdirsyncer/issues/617
+@pytest.mark.skipif(sys.platform == 'darwin',
+                    reason='This test inexplicably fails')
+@pytest.mark.parametrize(
+    "collections",
+    [
+        ('persönlich',),
+        ('a', 'A',),
+        ('\ufffe',),
+    ] + [
+        collections_strategy.example()
+        for _ in range(settings.get_profile(settings._current_profile).max_examples)
+    ]
+)
 def test_create_collections(collections, tmpdir, runner):
     # Hypothesis calls this tests in a way that fixtures are not reset, to tmpdir is the
     # same for each call.
     # This horrible hack creates a new subdirectory on each run, effectively giving us a
     # new tmpdir each run.
-    global hack
-    hack += 1
-    tmpdir = tmpdir / f"sub{hack}"
 
     runner.write_with_general(dedent('''
     [pair foobar]

tests/unit/cli/test_fetchparams.py

@@ -1,3 +1,6 @@
+from contextlib import contextmanager
+from unittest.mock import patch
+
 import hypothesis.strategies as st
 import pytest
 from hypothesis import given
@@ -17,6 +20,17 @@ def mystrategy(monkeypatch):
     return calls
 
 
+@contextmanager
+def dummy_strategy():
+    def strategy(x):
+        calls.append(x)
+        return x
+
+    calls = []
+    with patch.dict(STRATEGIES, {"mystrategy": strategy}):
+        yield calls
+
+
 @pytest.fixture
 def value_cache(monkeypatch):
     _cache = {}
@@ -45,10 +59,9 @@ def test_key_conflict(monkeypatch, mystrategy):
 
 
 @given(s=st.text(), t=st.text(min_size=1))
-def test_fuzzing(s, t, mystrategy):
-    config = expand_fetch_params({
-        f'{s}.fetch': ['mystrategy', t]
-    })
+def test_fuzzing(s, t):
+    with dummy_strategy():
+        config = expand_fetch_params({f"{s}.fetch": ["mystrategy", t]})
 
     assert config[s] == t
 

tests/unit/sync/test_status.py

@@ -1,18 +1,10 @@
 import hypothesis.strategies as st
-import pytest
 from hypothesis import assume
 from hypothesis import given
 
 from vdirsyncer.sync.status import SqliteStatus
 
 
-@pytest.fixture(params=[
-    SqliteStatus
-])
-def new_status(request):
-    return request.param
-
-
 status_dict_strategy = st.dictionaries(
     st.text(),
     st.tuples(*(
@@ -26,11 +18,11 @@ status_dict_strategy = st.dictionaries(
 
 
 @given(status_dict=status_dict_strategy)
-def test_legacy_status(new_status, status_dict):
+def test_legacy_status(status_dict):
     hrefs_a = {meta_a['href'] for meta_a, meta_b in status_dict.values()}
     hrefs_b = {meta_b['href'] for meta_a, meta_b in status_dict.values()}
     assume(len(hrefs_a) == len(status_dict) == len(hrefs_b))
-    status = new_status()
+    status = SqliteStatus()
     status.load_legacy_status(status_dict)
     assert dict(status.to_legacy_status()) == status_dict