add tests for flask.json.tag

8 years ago · fd8b95952c
2 changed files with 87 additions and 25 deletions
--- a/tests/test_basic.py
+++ b/tests/test_basic.py
@ -435,34 +435,31 @@ def test_session_special_types(app, client):
    now = datetime.utcnow().replace(microsecond=0)
    the_uuid = uuid.uuid4()
    @app.after_request
    def modify_session(response):
        flask.session['m'] = flask.Markup('Hello!')
        flask.session['u'] = the_uuid
        flask.session['dt'] = now
        flask.session['b'] = b'\xff'
        flask.session['t'] = (1, 2, 3)
        flask.session['spacefirst'] = {' t': 'not-a-tuple'}
        flask.session['withunderscores'] = {' t__': 'not-a-tuple'}
        flask.session['notadict'] = {' di': 'not-a-dict'}
        return response
    @app.route('/')
    def dump_session_contents():
-        return pickle.dumps(dict(flask.session))
+        flask.session['t'] = (1, 2, 3)
        flask.session['b'] = b'\xff'
        flask.session['m'] = flask.Markup('<html>')
        flask.session['u'] = the_uuid
        flask.session['d'] = now
        flask.session['t_tag'] = {' t': 'not-a-tuple'}
        flask.session['di_t_tag'] = {' t__': 'not-a-tuple'}
        flask.session['di_tag'] = {' di': 'not-a-dict'}
        return '', 204
-    client.get('/')
+    with client:
-    rv = pickle.loads(client.get('/').data)
+        client.get('/')
-    assert rv['m'] == flask.Markup('Hello!')
+        s = flask.session
-    assert type(rv['m']) == flask.Markup
+        assert s['t'] == (1, 2, 3)
-    assert rv['dt'] == now
+        assert type(s['b']) == bytes
-    assert rv['u'] == the_uuid
+        assert s['b'] == b'\xff'
-    assert rv['b'] == b'\xff'
+        assert type(s['m']) == flask.Markup
-    assert type(rv['b']) == bytes
+        assert s['m'] == flask.Markup('<html>')
-    assert rv['t'] == (1, 2, 3)
+        assert s['u'] == the_uuid
-    assert rv['spacefirst'] == {' t': 'not-a-tuple'}
+        assert s['d'] == now
-    assert rv['withunderscores'] == {' t__': 'not-a-tuple'}
+        assert s['t_tag'] == {' t': 'not-a-tuple'}
-    assert rv['notadict'] == {' di': 'not-a-dict'}
+        assert s['di_t_tag'] == {' t__': 'not-a-tuple'}
        assert s['di_tag'] == {' di': 'not-a-dict'}
 def test_session_cookie_setting(app):
--- a/tests/test_json_tag.py
+++ b/tests/test_json_tag.py
@ -0,0 +1,65 @@
 from datetime import datetime
 from uuid import uuid4
 import pytest
 from flask import Markup
 from flask.json.tag import TaggedJSONSerializer, JSONTag
@pytest.mark.parametrize("data", (
    {' t': (1, 2, 3)},
    {' t__': b'a'},
    {' di': ' di'},
    {'x': (1, 2, 3), 'y': 4},
    (1, 2, 3),
    [(1, 2, 3)],
    b'\xff',
    Markup('<html>'),
    uuid4(),
    datetime.utcnow().replace(microsecond=0),
 ))
 def test_dump_load_unchanged(data):
    s = TaggedJSONSerializer()
    assert s.loads(s.dumps(data)) == data
 def test_duplicate_tag():
    class TagDict(JSONTag):
        key = ' d'
    s = TaggedJSONSerializer()
    pytest.raises(KeyError, s.register, TagDict)
    s.register(TagDict, force=True, index=0)
    assert isinstance(s.tags[' d'], TagDict)
    assert isinstance(s.order[0], TagDict)
 def test_custom_tag():
    class Foo(object):
        def __init__(self, data):
            self.data = data
    class TagFoo(JSONTag):
        __slots__ = ()
        key = ' f'
        def check(self, value):
            return isinstance(value, Foo)
        def to_json(self, value):
            return self.serializer.tag(value.data)
        def to_python(self, value):
            return Foo(value)
    s = TaggedJSONSerializer()
    s.register(TagFoo)
    assert s.loads(s.dumps(Foo('bar'))).data == 'bar'
 def test_tag_interface():
    t = JSONTag(None)
    pytest.raises(NotImplementedError, t.check, None)
    pytest.raises(NotImplementedError, t.to_json, None)
    pytest.raises(NotImplementedError, t.to_python, None)