Use Catch for our test suite

`make check` is also added to compile and run the tests
Catch is fetched with cmake automatically into the build directory when needed

1 files changed, 47 insertions, 0 deletions

diff --git a/tests/xmpp.cpp b/tests/xmpp.cpp
new file mode 100644
index 0000000..46ecd35
--- /dev/null
+++ b/tests/xmpp.cpp
@@ -0,0 +1,47 @@
+#include "catch.hpp"
+
+#include <xmpp/xmpp_parser.hpp>
+
+TEST_CASE("Test basic XML parsing")
+{
+  XmppParser xml;
+
+  const std::string doc = "<stream xmlns='stream_ns'><stanza b='c'>inner<child1><grandchild/></child1><child2 xmlns='child2_ns'/>tail</stanza></stream>";
+
+  auto check_stanza = [](const Stanza& stanza)
+    {
+      CHECK(stanza.get_name() == "stanza");
+      CHECK(stanza.get_tag("xmlns") == "stream_ns");
+      CHECK(stanza.get_tag("b") == "c");
+      CHECK(stanza.get_inner() == "inner");
+      CHECK(stanza.get_tail() == "");
+      CHECK(stanza.get_child("child1", "stream_ns") != nullptr);
+      CHECK(stanza.get_child("child2", "stream_ns") == nullptr);
+      CHECK(stanza.get_child("child2", "child2_ns") != nullptr);
+      CHECK(stanza.get_child("child2", "child2_ns")->get_tail() == "tail");
+    };
+  xml.add_stanza_callback([check_stanza](const Stanza& stanza)
+      {
+        check_stanza(stanza);
+        // Do the same checks on a copy of that stanza.
+        Stanza copy(stanza);
+        check_stanza(copy);
+      });
+  xml.feed(doc.data(), doc.size(), true);
+
+  const std::string doc2 = "<stream xmlns='s'><stanza>coucou\r\n\a</stanza></stream>";
+  xml.add_stanza_callback([](const Stanza& stanza)
+      {
+        CHECK(stanza.get_inner() == "coucou\r\n");
+      });
+
+  xml.feed(doc2.data(), doc.size(), true);
+}
+
+TEST_CASE("XML escape/unescape")
+{
+  const std::string unescaped = "'coucou'<cc>/&\"gaga\"";
+  CHECK(xml_escape(unescaped) == "&apos;coucou&apos;&lt;cc&gt;/&amp;&quot;gaga&quot;");
+  CHECK(xml_unescape(xml_escape(unescaped)) == unescaped);
+}
+