Test typed desktop images in channels and PM and reject corrupted attachments

tools/chatgui/tests/test_file_drop.cpp

@@ -31,6 +31,7 @@ extern "C" {
 #include <QScrollBar>
 #include <QPointer>
 #include <QScopeGuard>
+#include <QImage>
 
 static QString makeFile(const QTemporaryDir& dir, const QString& name, const QByteArray& contents = "test") {
     const QString path = dir.filePath(name);
@@ -521,20 +522,43 @@ private slots:
         if (!files.isEmpty()) QCOMPARE(files.at(0).at(1).toString(), mode == "cancel" ? first : second);
     }
 
-    void imageKeepsTheExistingGroupAndPmBehaviour_data() {
+    void imageHasTypedMetadataInGroupAndPm_data() {
         QTest::addColumn<bool>("dm");
-        QTest::newRow("group-image") << false; QTest::newRow("dm-file") << true;
+        QTest::addColumn<QString>("format");
+        for (bool dm : {false, true}) for (const QString& format : {QString("PNG"), QString("JPEG")})
+            QTest::newRow(qPrintable(QString("%1-%2").arg(dm ? "pm" : "group", format))) << dm << format;
     }
-    void imageKeepsTheExistingGroupAndPmBehaviour() {
-        QFETCH(bool, dm);
+    void imageHasTypedMetadataInGroupAndPm() {
+        QFETCH(bool, dm); QFETCH(QString, format);
         QTemporaryDir dir; QVERIFY(dir.isValid());
         InputBar bar(nullptr, nullptr); bar.show();
-        bar.setRecordingContext(dir.filePath("media"), dm ? "dm:abcd" : "123"); bar.setDmMode(dm);
+        bar.setRecordingContext(dir.filePath("media"), dm ? "dm:456" : "123"); bar.setDmMode(dm); bar.setDmGeneration(7);
         auto* editor = bar.findChild<QTextEdit*>(); QVERIFY(editor);
-        QSignalSpy files(&bar, &InputBar::sendFileAttachment), images(&bar, &InputBar::sendImageAttachment);
-        QVERIFY(dropUrls(editor->viewport(), {QUrl::fromLocalFile(makeFile(dir, "фото.PNG"))}));
+        const QString path = dir.filePath("фото.PNG"); // Фактический JPEG должен победить расширение PNG.
+        QImage image(120, 80, QImage::Format_ARGB32); image.fill(Qt::red); QVERIFY(image.save(path, qPrintable(format)));
+        int sends = 0;
+        connect(&bar, &InputBar::submitAttachment, &bar, [&](const QString& target, attachment_send_req* request) {
+            ++sends; QCOMPARE(target, dm ? QString("dm:456") : QString("123"));
+            QCOMPARE(request->info.kind, format == "PNG" ? ATTACHMENT_PNG : ATTACHMENT_JPEG);
+            QCOMPARE(request->info.width, 120); QCOMPARE(request->info.height, 80); QCOMPARE(request->dm_generation, UINT64_C(7));
+            QCOMPARE(QString::fromUtf8(request->source), path); QVERIFY(!request->temporary_source);
+            const auto id = request->request_id; attachment_send_discard(request); bar.submissionResult(id, true);
+        });
+        QVERIFY(dropUrls(editor->viewport(), {QUrl::fromLocalFile(path)}));
         QTest::keyClick(editor, Qt::Key_Return);
-        QCOMPARE(files.count(), dm ? 1 : 0); QCOMPARE(images.count(), dm ? 0 : 1);
+        QCOMPARE(sends, 1); QVERIFY(QFile::exists(path));
+    }
+
+    void corruptImageIsRejectedAndPreservesSelection() {
+        QTemporaryDir dir; InputBar bar(nullptr, nullptr); bar.show(); bar.setRecordingContext(dir.path(), "123");
+        auto* editor = bar.findChild<QTextEdit*>(); QVERIFY(editor);
+        QSignalSpy errors(&bar, &InputBar::attachmentRejected);
+        int sends = 0; connect(&bar, &InputBar::submitAttachment, &bar, [&](const QString&, attachment_send_req* req) {
+            ++sends; attachment_send_discard(req);
+        });
+        const QString path = makeFile(dir, "broken.jpg");
+        QVERIFY(dropUrls(editor->viewport(), {QUrl::fromLocalFile(path)})); QTest::keyClick(editor, Qt::Key_Return);
+        QCOMPARE(sends, 0); QVERIFY(!errors.isEmpty()); QVERIFY(QFile::exists(path));
     }
 
     void videoModeSelectionAndCancellation_data() {