Fix #5: compact file workflow forms

tests/test_import_export_workflow.py

@@ -3,7 +3,8 @@
 from unittest.mock import Mock
 
 import pytest
-from textual.widgets import Button, DirectoryTree, Input, RadioButton, Static
+from textual.containers import Vertical
+from textual.widgets import Button, DirectoryTree, Input, RadioButton, RadioSet, Static
 
 from hosts.core.import_export import (
     ExportFormat,
@@ -58,6 +59,31 @@ async def test_export_modal_is_centered_in_the_terminal_viewport():
         assert container.region.y == (app.size.height - container.region.height) // 2
 
 
+@pytest.mark.asyncio
+async def test_format_modal_uses_compact_consistent_form_sections():
+    """Location and format fields use matching borders without excess rows."""
+    app = HostsManagerApp()
+    app.load_hosts_file = Mock()
+
+    async with app.run_test(size=(120, 40)) as pilot:
+        await pilot.press("ctrl+x")
+        await pilot.pause()
+
+        location = app.screen.query_one(".path-section", Vertical)
+        formats = app.screen.query_one(".format-section", Vertical)
+        path_input = app.screen.query_one("#path-input", Input)
+        browse = app.screen.query_one("#browse-button", Button)
+        format_select = app.screen.query_one("#format-select", RadioSet)
+        container = app.screen.query_one("#format-container")
+
+        assert location.border_title == "Export file path"
+        assert path_input.region.height == 1
+        assert browse.region.height == 1
+        assert format_select.region.height == 3
+        assert formats.region.height == 5
+        assert container.region.height <= 22
+
+
 @pytest.mark.asyncio
 async def test_export_browser_lets_the_user_choose_a_destination_directory():
     """Browse opens a centered directory tree rather than requiring a typed path."""
@@ -71,6 +97,8 @@ async def test_export_browser_lets_the_user_choose_a_destination_directory():
         path_input = app.screen.query_one("#path-input", Input)
         container = app.screen.query_one("#format-container")
         assert browse.region.width > 0
+        assert path_input.region.height == 1
+        assert browse.region.height == 1
         assert browse.region.x >= path_input.region.right
         assert browse.region.y == path_input.region.y
         assert browse.region.right <= container.region.right
@@ -85,7 +113,6 @@ async def test_export_browser_lets_the_user_choose_a_destination_directory():
         container = app.screen.query_one("#file-browser-container")
         assert container.region.x == (app.size.width - container.region.width) // 2
 
-        await pilot.press("tab")
         await pilot.press("tab")
         await pilot.press("tab")
         await pilot.press("enter")
@@ -98,8 +125,8 @@ async def test_export_browser_lets_the_user_choose_a_destination_directory():
 
 
 @pytest.mark.asyncio
-async def test_file_browser_can_move_to_its_parent_directory(tmp_path):
-    """The chooser exposes an explicit route back up the directory tree."""
+async def test_file_browser_presents_parent_directory_as_dot_dot(tmp_path):
+    """The chooser exposes its parent as the first conventional tree entry."""
     child = tmp_path / "child"
     child.mkdir()
     app = HostsManagerApp()
@@ -110,11 +137,17 @@ async def test_file_browser_can_move_to_its_parent_directory(tmp_path):
         await pilot.pause()
         browser = app.screen
         assert isinstance(browser, FileBrowserModal)
-
-        browser.action_go_up()
+        tree = browser.query_one("#file-browser-tree", DirectoryTree)
         await pilot.pause()
 
-        assert browser.query_one("#file-browser-tree", DirectoryTree).path == tmp_path
+        assert str(tree.root.children[0].label) == ".."
+        assert len(browser.query("#up-button")) == 0
+
+        tree.focus()
+        tree.select_node(tree.root.children[0])
+        await pilot.pause()
+
+        assert tree.path == tmp_path
 
 
 @pytest.mark.asyncio