[gobject-introspection/tests-xmlwriter] tests: add some basic tests for collect_attributes() and build_xml_tag()

[Christoph Reiter <creiter src gnome org>]

commit 477ee8e4fadfcf00b89b9eff147d66f113a27ae9
Author: Christoph Reiter <reiter christoph gmail com>
Date:   Fri Jul 27 12:51:34 2018 +0200

    tests: add some basic tests for collect_attributes() and build_xml_tag()

 tests/scanner/test_xmlwriter.py | 58 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 57 insertions(+), 1 deletion(-)
---
diff --git a/tests/scanner/test_xmlwriter.py b/tests/scanner/test_xmlwriter.py
index 36df7ab8..4b96af82 100644
--- a/tests/scanner/test_xmlwriter.py
+++ b/tests/scanner/test_xmlwriter.py
@@ -1,6 +1,6 @@
 import unittest
 
-from giscanner.xmlwriter import XMLWriter
+from giscanner.xmlwriter import XMLWriter, collect_attributes, build_xml_tag
 
 
 class TestXMLWriter(unittest.TestCase):
@@ -24,6 +24,62 @@ class TestXMLWriter(unittest.TestCase):
         lines = x.split('\n')
         self.assertTrue(len(lines[3]) < 80)
 
+    def test_collect_attributes(self):
+        ca = collect_attributes
+        res = ca('parameters', [], 6, ' ', 12)
+        self.assertEqual(res, "")
+
+        res = ca('type', [('name', 'utf8')], 12, ' ', 7)
+        self.assertEqual(res, ' name="utf8"')
+
+        res = ca('type', [('name', 'GLib.SList'), ('c:type', 'const GSList*')], 8, ' ', 6)
+        self.assertEqual(res, ' name="GLib.SList" c:type="const GSList*"')
+
+    def test_build_xml_tag(self):
+        res = build_xml_tag('tag', [('attr', 'utf8')])
+        self.assertEqual(res, '<tag attr="utf8"/>')
+
+        res = build_xml_tag('tag', [('attr', 'foo\nbar')])
+        self.assertEqual(res, '<tag attr="foo\nbar"/>')
+
+        res = build_xml_tag('tag', [('attr', '\004')])
+        self.assertEqual(res, '<tag attr="&#x4;"/>')
+
+        res = build_xml_tag('tag', [('attr', '')])
+        self.assertEqual(res, '<tag attr=""/>')
+
+        res = build_xml_tag('tag', [('attr', ' ')])
+        self.assertEqual(res, '<tag attr=" "/>')
+
+        res = build_xml_tag('tag', [('attr', '>&<')])
+        self.assertEqual(res, '<tag attr="&gt;&amp;&lt;"/>')
+
+        res = build_xml_tag('tag', [('a', 'b'), ('c', 'd')])
+        self.assertEqual(res, '<tag a="b" c="d"/>')
+
+    def test_build_xml_tag_data(self):
+        res = build_xml_tag('tag', [], b'foo')
+        self.assertEqual(res, '<tag>foo</tag>')
+
+        res = build_xml_tag('tag', [], u'\xf6\xe4\xfc')
+        self.assertEqual(res, '<tag>\xf6\xe4\xfc</tag>')
+
+        res = build_xml_tag('tag', [], '>&<')
+        self.assertEqual(res, '<tag>&gt;&amp;&lt;</tag>')
+
+    def test_build_xml_tag_indent(self):
+        res = build_xml_tag(
+            'tag', [('a' * 10, 'b' * 30), ('c' * 30, 'd' * 10)], None)
+        self.assertEqual(res, '''\
+<tag aaaaaaaaaa="bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"
+     cccccccccccccccccccccccccccccc="dddddddddd"/>''')
+
+        res = build_xml_tag(
+            'tag', [('a' * 10, 'b' * 30), ('c' * 30, 'd' * 10)], None, 3)
+        self.assertEqual(res, '''\
+<tag aaaaaaaaaa="bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"
+        cccccccccccccccccccccccccccccc="dddddddddd"/>''')
+
 
 if __name__ == '__main__':
     unittest.main()