Adding upstream version 3.1.2.upstream/3.1.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 185 insertions, 0 deletions

diff --git a/tests/test_utils.py b/tests/test_utils.py
new file mode 100644
index 0000000..7b58af1
--- /dev/null
+++ b/tests/test_utils.py
@@ -0,0 +1,185 @@
+import pickle
+import random
+from collections import deque
+from copy import copy as shallow_copy
+
+import pytest
+from markupsafe import Markup
+
+from jinja2.utils import consume
+from jinja2.utils import generate_lorem_ipsum
+from jinja2.utils import LRUCache
+from jinja2.utils import missing
+from jinja2.utils import object_type_repr
+from jinja2.utils import select_autoescape
+from jinja2.utils import urlize
+
+
+class TestLRUCache:
+    def test_simple(self):
+        d = LRUCache(3)
+        d["a"] = 1
+        d["b"] = 2
+        d["c"] = 3
+        d["a"]
+        d["d"] = 4
+        assert d.keys() == ["d", "a", "c"]
+
+    def test_values(self):
+        cache = LRUCache(3)
+        cache["b"] = 1
+        cache["a"] = 2
+        assert cache.values() == [2, 1]
+
+    def test_values_empty(self):
+        cache = LRUCache(2)
+        assert cache.values() == []
+
+    def test_pickleable(self):
+        cache = LRUCache(2)
+        cache["foo"] = 42
+        cache["bar"] = 23
+        cache["foo"]
+
+        for protocol in range(3):
+            copy = pickle.loads(pickle.dumps(cache, protocol))
+            assert copy.capacity == cache.capacity
+            assert copy._mapping == cache._mapping
+            assert copy._queue == cache._queue
+
+    @pytest.mark.parametrize("copy_func", [LRUCache.copy, shallow_copy])
+    def test_copy(self, copy_func):
+        cache = LRUCache(2)
+        cache["a"] = 1
+        cache["b"] = 2
+        copy = copy_func(cache)
+        assert copy._queue == cache._queue
+        copy["c"] = 3
+        assert copy._queue != cache._queue
+        assert copy.keys() == ["c", "b"]
+
+    def test_clear(self):
+        d = LRUCache(3)
+        d["a"] = 1
+        d["b"] = 2
+        d["c"] = 3
+        d.clear()
+        assert d.__getstate__() == {"capacity": 3, "_mapping": {}, "_queue": deque([])}
+
+    def test_repr(self):
+        d = LRUCache(3)
+        d["a"] = 1
+        d["b"] = 2
+        d["c"] = 3
+        # Sort the strings - mapping is unordered
+        assert sorted(repr(d)) == sorted("<LRUCache {'a': 1, 'b': 2, 'c': 3}>")
+
+    def test_items(self):
+        """Test various items, keys, values and iterators of LRUCache."""
+        d = LRUCache(3)
+        d["a"] = 1
+        d["b"] = 2
+        d["c"] = 3
+        assert d.items() == [("c", 3), ("b", 2), ("a", 1)]
+        assert d.keys() == ["c", "b", "a"]
+        assert d.values() == [3, 2, 1]
+        assert list(reversed(d)) == ["a", "b", "c"]
+
+        # Change the cache a little
+        d["b"]
+        d["a"] = 4
+        assert d.items() == [("a", 4), ("b", 2), ("c", 3)]
+        assert d.keys() == ["a", "b", "c"]
+        assert d.values() == [4, 2, 3]
+        assert list(reversed(d)) == ["c", "b", "a"]
+
+    def test_setdefault(self):
+        d = LRUCache(3)
+        assert len(d) == 0
+        assert d.setdefault("a") is None
+        assert d.setdefault("a", 1) is None
+        assert len(d) == 1
+        assert d.setdefault("b", 2) == 2
+        assert len(d) == 2
+
+
+class TestHelpers:
+    def test_object_type_repr(self):
+        class X:
+            pass
+
+        assert object_type_repr(42) == "int object"
+        assert object_type_repr([]) == "list object"
+        assert object_type_repr(X()) == "test_utils.X object"
+        assert object_type_repr(None) == "None"
+        assert object_type_repr(Ellipsis) == "Ellipsis"
+
+    def test_autoescape_select(self):
+        func = select_autoescape(
+            enabled_extensions=("html", ".htm"),
+            disabled_extensions=("txt",),
+            default_for_string="STRING",
+            default="NONE",
+        )
+
+        assert func(None) == "STRING"
+        assert func("unknown.foo") == "NONE"
+        assert func("foo.html")
+        assert func("foo.htm")
+        assert not func("foo.txt")
+        assert func("FOO.HTML")
+        assert not func("FOO.TXT")
+
+
+class TestEscapeUrlizeTarget:
+    def test_escape_urlize_target(self):
+        url = "http://example.org"
+        target = "<script>"
+        assert urlize(url, target=target) == (
+            '<a href="http://example.org"'
+            ' target="&lt;script&gt;">'
+            "http://example.org</a>"
+        )
+
+
+class TestLoremIpsum:
+    def test_lorem_ipsum_markup(self):
+        """Test that output of lorem_ipsum is Markup by default."""
+        assert isinstance(generate_lorem_ipsum(), Markup)
+
+    def test_lorem_ipsum_html(self):
+        """Test that output of lorem_ipsum is a string_type when not html."""
+        assert isinstance(generate_lorem_ipsum(html=False), str)
+
+    def test_lorem_ipsum_n(self):
+        """Test that the n (number of lines) works as expected."""
+        assert generate_lorem_ipsum(n=0, html=False) == ""
+        for n in range(1, 50):
+            assert generate_lorem_ipsum(n=n, html=False).count("\n") == (n - 1) * 2
+
+    def test_lorem_ipsum_min(self):
+        """Test that at least min words are in the output of each line"""
+        for _ in range(5):
+            m = random.randrange(20, 99)
+            for _ in range(10):
+                assert generate_lorem_ipsum(n=1, min=m, html=False).count(" ") >= m - 1
+
+    def test_lorem_ipsum_max(self):
+        """Test that at least max words are in the output of each line"""
+        for _ in range(5):
+            m = random.randrange(21, 100)
+            for _ in range(10):
+                assert generate_lorem_ipsum(n=1, max=m, html=False).count(" ") < m - 1
+
+
+def test_missing():
+    """Test the repr of missing."""
+    assert repr(missing) == "missing"
+
+
+def test_consume():
+    """Test that consume consumes an iterator."""
+    x = iter([1, 2, 3, 4, 5])
+    consume(x)
+    with pytest.raises(StopIteration):
+        next(x)