tests: add textual (#137)

Signed-off-by: Henry Schreiner <[email protected]>

Author: henryiii

pyproject.toml

@@ -53,6 +53,7 @@ dependencies = [
 [project.optional-dependencies]
 test = [
   "pytest >=6",
+  "pytest-asyncio",
   "scikit-hep-testdata",
 ]
 iterm = [
@@ -87,6 +88,7 @@ filterwarnings = [
 ]
 log_cli_level = "info"
 testpaths = ["tests"]
+asyncio_mode = "auto"
 
 
 [tool.mypy]

tests/test_tui.py

@@ -0,0 +1,36 @@
+from pathlib import Path
+
+import skhep_testdata
+
+from uproot_browser.tui.browser import Browser
+
+
+async def test_browse_logo() -> None:
+    async with Browser(
+        Path(skhep_testdata.data_path("uproot-Event.root"))
+    ).run_test() as pilot:
+        assert pilot.app.query_one("#main-view").current == "logo"
+
+
+async def test_browse_plot() -> None:
+    async with Browser(
+        Path(skhep_testdata.data_path("uproot-Event.root"))
+    ).run_test() as pilot:
+        await pilot.press("down", "down", "down", "enter")
+        assert pilot.app.query_one("#main-view").current == "plot"
+
+
+async def test_browse_empty() -> None:
+    async with Browser(
+        Path(skhep_testdata.data_path("uproot-empty.root"))
+    ).run_test() as pilot:
+        await pilot.press("down", "space", "down", "enter")
+        assert pilot.app.query_one("#main-view").current == "empty"
+
+
+async def test_browse_empty_vim() -> None:
+    async with Browser(
+        Path(skhep_testdata.data_path("uproot-empty.root"))
+    ).run_test() as pilot:
+        await pilot.press("j", "l", "j", "enter")
+        assert pilot.app.query_one("#main-view").current == "empty"