From 4b221ef0d1b7c3b77e5dffd026018cffb7fa1413 Mon Sep 17 00:00:00 2001
From: evgeny <evgeny@adaptto.ru>
Date: Wed, 28 Oct 2026 14:35:46 +0100
Subject: [PATCH] Verify growing call preview and emphasized metric values

---
 tools/chatgui/src/callwindow.cpp           |  1 +
 tools/chatgui/tests/test_call_commands.cpp | 23 ++++++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/tools/chatgui/src/callwindow.cpp b/tools/chatgui/src/callwindow.cpp
index 3a94aae5..c85d82d6 100644
--- a/tools/chatgui/src/callwindow.cpp
+++ b/tools/chatgui/src/callwindow.cpp
@@ -344,6 +344,7 @@ CallWindow::CallWindow(QWidget* parent)
     m_connectionLabel->setStyleSheet("color: gray; font-size: 13px;");
     setConnectionType(0, 0);
     m_statsLabel = new QLabel(this);
+    m_statsLabel->setObjectName("callAudioStats");
     m_statsLabel->setAlignment(Qt::AlignCenter);
     m_statsLabel->setWordWrap(true);
     m_statsLabel->setStyleSheet("color: gray; font-size: 11px;");
diff --git a/tools/chatgui/tests/test_call_commands.cpp b/tools/chatgui/tests/test_call_commands.cpp
index da3ba6af..babd0976 100644
--- a/tools/chatgui/tests/test_call_commands.cpp
+++ b/tools/chatgui/tests/test_call_commands.cpp
@@ -13,6 +13,8 @@
 #include <QMenu>
 #include <QActionGroup>
 #include <QSpinBox>
+#include <QTextDocument>
+#include <QTextCursor>
 #include <atomic>
 #include <thread>
 #include <cstring>
@@ -202,6 +204,11 @@ private slots:
         QVERIFY(!diagnostics->isVisible());
         diagnosticButton->click(); QVERIFY(diagnostics->isVisible()); QVERIFY(bar->isVisible()); QVERIFY(avatar->isHidden());
         window.setAudioStats(41, 81, 100, 1, 0, 50, 90, 10); QVERIFY(diagnostics->isVisible());
+        auto* stats = window.findChild<QLabel*>("callAudioStats"); QVERIFY(stats);
+        QTextDocument metrics; metrics.setHtml(stats->text());
+        auto metric = metrics.find("81 ms"); QVERIFY(!metric.isNull()); QVERIFY(metric.charFormat().fontWeight() >= QFont::Bold);
+        QCOMPARE(metric.charFormat().foreground().color(), window.palette().color(QPalette::WindowText));
+        auto caption = metrics.find("Buffer:"); QVERIFY(!caption.isNull()); QVERIFY(caption.charFormat().fontWeight() < QFont::Bold);
         const QString diagnosticScreenshot = qEnvironmentVariable("UTUN_TEST_CALL_DIAGNOSTICS_SCREENSHOT");
         if (!diagnosticScreenshot.isEmpty()) { QCoreApplication::processEvents(); QVERIFY(window.grab().save(diagnosticScreenshot)); }
         diagnosticButton->click(); window.setAudioStats(42, 82, 100, 1, 0, 50, 90, 10); QVERIFY(!diagnostics->isVisible());
@@ -233,6 +240,22 @@ private slots:
         settings->click(); QVERIFY(!bar->isVisible()); QVERIFY(!avatar->isHidden());
         QImage frame(160, 90, QImage::Format_RGB32); frame.fill(Qt::darkGreen);
         blocked.unblock(); emit engine->localImageChanged(frame); blocked.reblock(); QVERIFY(avatar->isHidden());
+        auto* preview = window.findChild<QWidget*>("callLocalPreview"); QVERIFY(preview);
+        auto* previewArea = window.findChild<QWidget*>("callPreviewArea"); QVERIFY(previewArea);
+        QCoreApplication::processEvents(); QVERIFY(preview->isVisible());
+        QCOMPARE(preview->size(), previewArea->contentsRect().size()); QCOMPARE(preview->width(), window.width() - 24);
+        window.resize(900, 700); QCoreApplication::processEvents(); QVERIFY(preview->width() > 640);
+        QCOMPARE(preview->size(), previewArea->contentsRect().size());
+        QCOMPARE(window.rect().bottom() - footer->geometry().bottom(), 12);
+        QImage previewImage = preview->grab().toImage(); QRect frameBounds;
+        for (int y = 0; y < previewImage.height(); y++) for (int x = 0; x < previewImage.width(); x++) {
+            QColor color = previewImage.pixelColor(x, y);
+            if (color.green() > 80 && color.red() < 10 && color.blue() < 10) frameBounds |= QRect(x, y, 1, 1);
+        }
+        QVERIFY(frameBounds.width() == previewImage.width() || frameBounds.height() == previewImage.height());
+        QVERIFY(std::abs(frameBounds.width() * frame.height() - frameBounds.height() * frame.width()) <= frame.width());
+        const QString previewScreenshot = qEnvironmentVariable("UTUN_TEST_CALL_PREVIEW_SCREENSHOT");
+        if (!previewScreenshot.isEmpty()) QVERIFY(window.grab().save(previewScreenshot));
         blocked.unblock(); emit engine->localImageChanged({}); blocked.reblock(); QVERIFY(!avatar->isHidden());
         blocked.unblock(); emit engine->imageChanged(frame, 0); blocked.reblock(); QVERIFY(avatar->isHidden());
         blocked.unblock(); emit engine->imageChanged({}, 0); blocked.reblock(); QVERIFY(!avatar->isHidden());