tests: html: add tests for node comparisons

Signed-off-by: Florian Scherf <mail@florianscherf.de>

tests/test_0107_html_node_compare.py

@@ -0,0 +1,91 @@
+from lona.html import Widget, Span, Node, Div
+from lona.html.text_node import TextNode
+
+
+def test_simple_comparison():
+    assert Div() == Div()
+    assert Div() is not Div()
+    assert Div() != Widget()
+    assert Div() != TextNode('')
+
+
+def test_text_nodes():
+    assert TextNode('foo') == TextNode('foo')
+    assert TextNode('foo') != TextNode('bar')
+    assert TextNode('foo') is not TextNode('foo')
+
+
+def test_legacy_widgets():
+    # TODO: remove in 2.0
+
+    class TestWidget(Widget):
+        def __init__(self, *nodes, **widget_data):
+            self.nodes = nodes
+            self.data = widget_data
+
+    assert TestWidget() == TestWidget()
+
+    assert TestWidget(Div()) == TestWidget(Div())
+    assert TestWidget(Div()) != TestWidget(Span())
+
+    assert TestWidget(foo=1) == TestWidget(foo=1)
+    assert TestWidget(foo=1) != TestWidget()
+    assert TestWidget(foo=1) != TestWidget(foo=2)
+    assert TestWidget(foo=1) != TestWidget(foo=1, bar=2)
+
+
+def test_non_node_comparisons():
+    assert Div() != 'Div'
+    assert Div() != object()
+
+
+def test_namespaces():
+    assert Div() != Div(namespace='foo')
+    assert Div(namespace='foo') != Div(namespace='bar')
+
+
+def test_tag_name():
+    assert Div() != Span()
+    assert Node(tag_name='div') != Node(tag_name='span')
+
+
+def test_id_list():
+    assert Div(_id='foo') == Div(_id='foo')
+    assert Div(_id='foo') != Div()
+    assert Div(_id='foo') != Div(_id='foo bar')
+
+
+def test_class_list():
+    assert Div(_class='foo') == Div(_class='foo')
+    assert Div(_class='foo') != Div()
+    assert Div(_class='foo') != Div(_class='foo bar')
+
+
+def test_style():
+    assert Div(style={'color': 'red'}) == Div(style={'color': 'red'})
+    assert Div(style={'color': 'red'}) != Div(style={'color': 'blue'})
+    assert Div(style={'color': 'red'}) != Div(style={'color': 'red', 'a': 'b'})
+
+
+def test_attributes():
+    assert Div(a=1) == Div(a=1)
+    assert Div(a=1) != Div(a=2)
+    assert Div(a=1) != Div(a=1, b=2)
+
+
+def test_sub_nodes():
+    assert Div(Div()) == Div(Div())
+    assert Div(Div()) != Div(Div(a=1))
+    assert Div(Div()) != Div(Div(Span()))
+    assert Div(Div()) != Div()
+
+
+def test_widgets():
+    assert Div(widget='foo') == Div(widget='foo')
+    assert Div(widget='foo') != Div()
+
+
+def test_widget_data():
+    assert Div(widget_data=['foo']) == Div(widget_data=['foo'])
+    assert Div(widget_data=['foo']) != Div(widget_data=['foo', 'bar'])
+    assert Div(widget_data=['foo']) != Div()