Fix focusing on editor after leaving the app and returning. More code coverage and removing obsolete bits of code

tests/test_editor_more.py

@@ -0,0 +1,136 @@
+from PySide6.QtCore import Qt, QEvent, QUrl, QObject, Slot
+from PySide6.QtGui import QImage, QMouseEvent, QTextCursor
+from PySide6.QtTest import QTest
+from PySide6.QtWidgets import QApplication
+
+from bouquin.editor import Editor
+from bouquin.theme import ThemeManager, ThemeConfig
+
+
+def _mk_editor() -> Editor:
+    app = QApplication.instance()
+    tm = ThemeManager(app, ThemeConfig())
+    e = Editor(tm)
+    e.resize(700, 400)
+    e.show()
+    return e
+
+
+def _point_for_char(e: Editor, pos: int):
+    c = e.textCursor()
+    c.setPosition(pos)
+    r = e.cursorRect(c)
+    return r.center()
+
+
+def test_trim_url_and_linkify_and_ctrl_mouse(qtbot):
+    e = _mk_editor()
+    qtbot.addWidget(e)
+    assert e._trim_url_end("https://ex.com)") == "https://ex.com"
+    assert e._trim_url_end("www.mysite.org]") == "www.mysite.org"
+
+    url = "https://example.org/path"
+    QTest.keyClicks(e, url)
+    qtbot.waitUntil(lambda: url in e.toPlainText())
+
+    p = _point_for_char(e, 0)
+    move = QMouseEvent(
+        QEvent.MouseMove, p, Qt.NoButton, Qt.NoButton, Qt.ControlModifier
+    )
+    e.mouseMoveEvent(move)
+    assert e.viewport().cursor().shape() == Qt.PointingHandCursor
+
+    opened = {}
+
+    class Catcher(QObject):
+        @Slot(QUrl)
+        def handle(self, u: QUrl):
+            opened["u"] = u.toString()
+
+    from PySide6.QtGui import QDesktopServices
+
+    catcher = Catcher()
+    QDesktopServices.setUrlHandler("https", catcher, "handle")
+    try:
+        rel = QMouseEvent(
+            QEvent.MouseButtonRelease,
+            p,
+            Qt.LeftButton,
+            Qt.LeftButton,
+            Qt.ControlModifier,
+        )
+        e.mouseReleaseEvent(rel)
+        got_signal = []
+        e.linkActivated.connect(lambda href: got_signal.append(href))
+        e.mouseReleaseEvent(rel)
+        assert opened or got_signal
+    finally:
+        QDesktopServices.unsetUrlHandler("https")
+
+
+def test_insert_images_and_image_helpers(qtbot, tmp_path):
+    e = _mk_editor()
+    qtbot.addWidget(e)
+
+    # No image under cursor yet (412 guard)
+    tc, fmt, orig = e._image_info_at_cursor()
+    assert tc is None and fmt is None and orig is None
+
+    # Insert a real image file (574–584 path)
+    img_path = tmp_path / "tiny.png"
+    img = QImage(4, 4, QImage.Format_ARGB32)
+    img.fill(0xFF336699)
+    assert img.save(str(img_path), "PNG")
+    e.insert_images([str(img_path)], autoscale=False)
+    assert "<img" in e.toHtml()
+
+    # Guards when not on an image (453, 464)
+    e._scale_image_at_cursor(1.1)
+    e._fit_image_to_editor_width()
+
+
+def test_checkbox_click_and_enter_continuation(qtbot):
+    e = _mk_editor()
+    qtbot.addWidget(e)
+    e.setPlainText("☐ task one")
+
+    # Need it visible for mouse coords
+    e.resize(600, 300)
+    e.show()
+    qtbot.waitExposed(e)
+
+    # Click on the checkbox glyph to toggle (605–614)
+    start_point = _point_for_char(e, 0)
+    press = QMouseEvent(
+        QEvent.MouseButtonPress,
+        start_point,
+        Qt.LeftButton,
+        Qt.LeftButton,
+        Qt.NoModifier,
+    )
+    e.mousePressEvent(press)
+    assert e.toPlainText().startswith("☑ ")
+
+    # Press Enter at end -> new line with fresh checkbox (680–684)
+    c = e.textCursor()
+    c.movePosition(QTextCursor.End)
+    e.setTextCursor(c)
+    QTest.keyClick(e, Qt.Key_Return)
+    lines = e.toPlainText().splitlines()
+    assert len(lines) >= 2 and lines[1].startswith("☐ ")
+
+
+def test_heading_and_lists_toggle_remove(qtbot):
+    e = _mk_editor()
+    qtbot.addWidget(e)
+    e.setPlainText("para")
+
+    # "Normal" path is size=0 (904…)
+    e.apply_heading(0)
+
+    # bullets twice -> second call removes (945–946)
+    e.toggle_bullets()
+    e.toggle_bullets()
+    # numbers twice -> second call removes (955–956)
+    e.toggle_numbers()
+    e.toggle_numbers()