[geary/wip/781488-aliyun-greeting-error: 4/7] Add test case stub for Geary.Imap.Deserializer to the build.

[Michael Gratton <mjog src gnome org>]

commit fc68c0d7d5dfd70822f255f66f90daf825164515
Author: Michael James Gratton <mike vee net>
Date:   Mon Oct 30 11:56:13 2017 +1100

    Add test case stub for Geary.Imap.Deserializer to the build.

 test/CMakeLists.txt                                |    1 +
 .../imap/transport/imap-deserializer-test.vala     |   82 ++++++++++++++++++++
 test/main.vala                                     |    1 +
 3 files changed, 84 insertions(+), 0 deletions(-)
---
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 065435e..3733df6 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -8,6 +8,7 @@ set(TEST_SRC
 
   engine/api/geary-attachment-test.vala
   engine/api/geary-engine-test.vala
+  engine/imap/transport/imap-deserializer-test.vala
   engine/mime-content-type-test.vala
   engine/rfc822-mailbox-address-test.vala
   engine/rfc822-message-test.vala
diff --git a/test/engine/imap/transport/imap-deserializer-test.vala 
b/test/engine/imap/transport/imap-deserializer-test.vala
new file mode 100644
index 0000000..59fc3ae
--- /dev/null
+++ b/test/engine/imap/transport/imap-deserializer-test.vala
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2017 Michael Gratton <mike vee net>
+ *
+ * This software is licensed under the GNU Lesser General Public License
+ * (version 2.1 or later). See the COPYING file in this distribution.
+ */
+
+class Geary.Imap.DeserializerTest : Gee.TestCase {
+
+
+    protected enum Expect { MESSAGE, EOS, DESER_FAIL; }
+
+    private const string ID = "test";
+    private const string EOL = "\r\n";
+
+    private Deserializer? deser = null;
+    private MemoryInputStream? stream = null;
+
+
+    public DeserializerTest() {
+        base("Geary.Imap.DeserializerTest");
+    }
+
+    public override void set_up() {
+        this.stream = new MemoryInputStream();
+        this.deser = new Deserializer(ID, this.stream);
+    }
+
+    public override void tear_down() {
+        this.deser.stop_async.begin((obj, ret) => { async_complete(ret); });
+        async_result();
+    }
+
+    protected async RootParameters? process(Expect expected) {
+        RootParameters? message = null;
+        bool eos = false;
+        bool deserialize_failure = false;
+        bool receive_failure = false;
+        size_t bytes_received = 0;
+
+        this.deser.parameters_ready.connect((param) => { message = param; });
+        this.deser.bytes_received.connect((count) => { bytes_received += count; });
+        this.deser.eos.connect((param) => { eos = true; });
+        this.deser.deserialize_failure.connect(() => { deserialize_failure = true; });
+        this.deser.receive_failure.connect((err) => { receive_failure = true;});
+
+        this.deser.start_async.begin();
+        while (message == null && !receive_failure && !eos && !deserialize_failure) {
+            this.main_loop.iteration(true);
+        }
+
+        switch (expected) {
+        case Expect.MESSAGE:
+            assert(message != null);
+            assert(bytes_received > 0);
+            assert(!eos);
+            assert(!deserialize_failure);
+            assert(!receive_failure);
+            break;
+
+        case Expect.EOS:
+            assert(message == null);
+            assert(eos);
+            assert(!deserialize_failure);
+            assert(!receive_failure);
+            break;
+
+        case Expect.DESER_FAIL:
+            assert(message == null);
+            assert(!eos);
+            assert(deserialize_failure);
+            assert(!receive_failure);
+            break;
+
+        default:
+            assert_not_reached();
+        }
+
+        return message;
+    }
+
+}
diff --git a/test/main.vala b/test/main.vala
index b959602..d873986 100644
--- a/test/main.vala
+++ b/test/main.vala
@@ -40,6 +40,7 @@ int main(string[] args) {
     engine.add_suite(new Geary.AttachmentTest().get_suite());
     engine.add_suite(new Geary.EngineTest().get_suite());
     engine.add_suite(new Geary.HTML.UtilTest().get_suite());
+    engine.add_suite(new Geary.Imap.DeserializerTest().get_suite());
     engine.add_suite(new Geary.IdleManagerTest().get_suite());
     engine.add_suite(new Geary.Inet.Test().get_suite());
     engine.add_suite(new Geary.JS.Test().get_suite());