1 files changed, 216 insertions, 0 deletions
diff --git a/tests/unit/usb-snap-test.cpp b/tests/unit/usb-snap-test.cpp
new file mode 100644
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+++ b/tests/unit/usb-snap-test.cpp
@@ -0,0 +1,216 @@
+/*
+ * Copyright 2016 Canonical Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 3, as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@canonical.com>
+ */
+
+#define QT_NO_KEYWORDS
+#include <tests/utils/dbus-types.h>
+#include <tests/utils/glib-fixture.h>
+
+#include <src/usb-snap.h>
+
+#include <glib.h>
+
+#include <libqtdbustest/DBusTestRunner.h>
+#include <libqtdbustest/QProcessDBusService.h>
+#include <libqtdbusmock/DBusMock.h>
+
+#include <QSignalSpy>
+
+#include <gtest/gtest.h>
+
+using namespace QtDBusTest;
+using namespace QtDBusMock;
+
+inline QString qVariantToString(const QVariant& variant) {
+    QString output;
+    QDebug dbg(&output);
+    dbg << variant;
+    return output;
+}
+
+inline void PrintTo(const QVariant& variant, std::ostream* os) {
+    QString output;
+    QDebug dbg(&output);
+    dbg << variant;
+
+    *os << "QVariant(" << output.toStdString() << ")";
+}
+
+inline void PrintTo(const QString& s, std::ostream* os) {
+    *os << "\"" << s.toStdString() << "\"";
+}
+
+inline void PrintTo(const QStringList& list, std::ostream* os) {
+    QString output;
+    QDebug dbg(&output);
+    dbg << list;
+
+    *os << "QStringList(" << output.toStdString() << ")";
+}
+
+inline void PrintTo(const QList<QDBusObjectPath>& list, std::ostream* os) {
+    QString output;
+    for (const auto& path: list)
+    {
+        output.append("\"" + path.path() + "\",");
+    }
+
+    *os << "QList<QDBusObjectPath>(" << output.toStdString() << ")";
+}
+
+#define WAIT_FOR_SIGNALS(signalSpy, signalsExpected)\
+{\
+    while (signalSpy.size() < signalsExpected)\
+    {\
+        ASSERT_TRUE(signalSpy.wait());\
+    }\
+    ASSERT_EQ(signalsExpected, signalSpy.size());\
+}
+
+class UsbSnapFixture: public GlibFixture
+{
+    using super = GlibFixture;
+
+public:
+
+    UsbSnapFixture():
+        dbusMock{dbusTestRunner}
+    {
+        DBusTypes::registerMetaTypes();
+
+        dbusTestRunner.startServices();
+    }
+
+    ~UsbSnapFixture() =default;
+
+protected:
+
+    bool qDBusArgumentToMap(QVariant const& variant, QVariantMap& map)
+    {
+        if (variant.canConvert<QDBusArgument>())
+        {
+            QDBusArgument value(variant.value<QDBusArgument>());
+            if (value.currentType() == QDBusArgument::MapType)
+            {
+                value >> map;
+                return true;
+            }
+        }
+        return false;
+    }
+
+    void SetUp() override
+    {
+        super::SetUp();
+
+        dbusMock.registerNotificationDaemon();
+        dbusTestRunner.startServices();
+    }
+
+    OrgFreedesktopDBusMockInterface& notificationsMockInterface()
+    {
+        return dbusMock.mockInterface("org.freedesktop.Notifications",
+                                      "/org/freedesktop/Notifications",
+                                      "org.freedesktop.Notifications",
+                                       QDBusConnection::SessionBus);
+    }
+
+    QtDBusTest::DBusTestRunner dbusTestRunner;
+    QtDBusMock::DBusMock dbusMock;
+    QtDBusTest::DBusServicePtr indicator;
+};
+
+TEST_F(UsbSnapFixture, TestRoundTrip)
+{
+    struct {
+        const char* fingerprint;
+        const char* action_to_invoke;
+        const AdbdClient::PKResponse expected_response;
+    } tests[] = {
+        { "Fingerprint",  "allow", AdbdClient::PKResponse::ALLOW },
+        { "Fingerprint",  "deny",  AdbdClient::PKResponse::DENY }
+    };
+
+    uint32_t next_id = 1;
+    for(const auto& test : tests)
+    {
+        // Minor wart: we don't have a way of getting the fdo notification id
+        // from dbusmock so instead we copy its (simple) id generation here
+        const auto id = next_id++;
+
+        QSignalSpy notificationsSpy(
+            &notificationsMockInterface(),
+            SIGNAL(MethodCalled(const QString &, const QVariantList &)));
+
+        // start up a UsbSnap to ask about a fingerprint
+        auto snap = std::make_shared<UsbSnap>(test.fingerprint);
+        AdbdClient::PKResponse user_response {};
+        bool user_response_set = false;
+        snap->on_user_response().connect([&user_response,&user_response_set](AdbdClient::PKResponse response, bool /*remember*/){
+            user_response = response;
+            user_response_set = true;
+        });
+
+        // test that UsbSnap creates a fdo notification
+        WAIT_FOR_SIGNALS(notificationsSpy, 1);
+        {
+            QVariantList const& call(notificationsSpy.at(0));
+            EXPECT_EQ("Notify", call.at(0));
+
+            QVariantList const& args(call.at(1).toList());
+            ASSERT_EQ(8, args.size());
+            EXPECT_EQ("", args.at(0)); // app name
+            EXPECT_EQ(0, args.at(1)); // replaces-id
+            EXPECT_EQ("computer-symbolic", args.at(2)); // icon name
+            EXPECT_EQ("Allow USB Debugging?", args.at(3)); // summary
+            EXPECT_EQ(QString::fromUtf8("The computer's RSA key fingerprint is: ") + test.fingerprint, args.at(4)); // body
+            EXPECT_EQ(QStringList({"allow", "Allow", "deny", "Deny"}), args.at(5)); // actions
+            EXPECT_EQ(-1, args.at(7));
+
+            QVariantMap hints;
+            ASSERT_TRUE(qDBusArgumentToMap(args.at(6), hints));
+            ASSERT_EQ(3, hints.size());
+            ASSERT_TRUE(hints.contains("x-canonical-private-affirmative-tint"));
+            ASSERT_TRUE(hints.contains("x-canonical-non-shaped-icon"));
+            ASSERT_TRUE(hints.contains("x-canonical-snap-decisions"));
+        }
+        notificationsSpy.clear();
+
+        // fake a user interaction with the fdo notification
+        notificationsMockInterface().EmitSignal(
+            DBusTypes::NOTIFY_DBUS_INTERFACE,
+            "ActionInvoked",
+            "us",
+            QVariantList() << id << test.action_to_invoke);
+
+        // test that UsbSnap emits on_user_response() as a result
+        wait_for([&user_response_set](){return user_response_set;});
+        EXPECT_TRUE(user_response_set);
+        ASSERT_EQ(test.expected_response, user_response);
+
+        // confirm that the snap dtor cleans up the notification
+        snap.reset();
+        WAIT_FOR_SIGNALS(notificationsSpy, 1);
+        {
+            QVariantList const& call(notificationsSpy.at(0));
+            EXPECT_EQ("CloseNotification", call.at(0));
+            QVariantList const& args(call.at(1).toList());
+            EXPECT_EQ(id, args.at(0));
+        }
+    }
+}