Add regression tests.

Textualize · Jan 15, 2024 · 052f81b · 052f81b
1 parent 044fbdb
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diff --git a/tests/snapshot_tests/__snapshots__/test_snapshots.ambr b/tests/snapshot_tests/__snapshots__/test_snapshots.ambr
diff --git a/tests/snapshot_tests/snapshot_apps/dimensions_height.py b/tests/snapshot_tests/snapshot_apps/dimensions_height.py
@@ -0,0 +1,70 @@
+"""
+Regression test for https://github.com/Textualize/textual/issues/3721
+and follow-up issues that were discovered.
+"""
+
+from textual.app import App, ComposeResult
+from textual.containers import Horizontal, Vertical
+from textual.widgets import Input, TextArea, Label, Button, DataTable
+
+
+class DimensionsApp(App[None]):
+    CSS = """
+    Vertical {
+        width: auto;
+    }
+
+    .ruler {
+        text-style: reverse;
+        height: 24;
+        width: 1;
+    }
+
+    .target {
+        width: 3;
+        height: 50%;
+        border: solid red;
+        box-sizing: border-box;
+    }
+
+    Input.target, Button.target, TextArea.target, DataTable.target {
+        width: 12;
+        min-width: 0;  # "Unset" Button's min-width.
+    }
+
+    .padding {
+        padding: 1 0;
+    }
+
+    .margin {
+        margin: 2 0;
+    }
+    """
+
+    def compose(self) -> ComposeResult:
+        with Horizontal():
+            yield Label("1234567890" * 3, classes="ruler")
+            with Vertical():
+                yield Label("123456789012", classes="target")
+                yield Label("123456789012", classes="target")
+            with Vertical():
+                yield Label("123456789012", classes="target padding")
+                yield Label("123456789012", classes="target padding")
+            yield Label("1234567890" * 3, classes="ruler")
+            with Vertical():
+                yield Label("123456789012", classes="target margin")
+                yield Label("123456789012", classes="target")
+            with Vertical():
+                yield Label("123456789012", classes="target padding margin")
+                yield Label("123456789012", classes="target padding")
+            yield Label("1234567890" * 3, classes="ruler")
+            with Vertical():
+                yield Input(classes="target")
+                yield Button(classes="target")
+            with Vertical():
+                yield TextArea(classes="target")
+                yield DataTable(classes="target")
+
+
+if __name__ == "__main__":
+    DimensionsApp().run()
diff --git a/tests/snapshot_tests/snapshot_apps/dimensions_max_height.py b/tests/snapshot_tests/snapshot_apps/dimensions_max_height.py
@@ -0,0 +1,71 @@
+"""
+Regression test for https://github.com/Textualize/textual/issues/3721
+and follow-up issues that were discovered.
+"""
+
+from textual.app import App, ComposeResult
+from textual.containers import Horizontal, Vertical
+from textual.widgets import Input, TextArea, Label, Button, DataTable
+
+
+class DimensionsApp(App[None]):
+    CSS = """
+    Vertical {
+        width: auto;
+    }
+
+    .ruler {
+        text-style: reverse;
+        height: 24;
+        width: 1;
+    }
+
+    .target {
+        width: 3;
+        height: 24;
+        max-height: 50%;
+        border: solid red;
+        box-sizing: border-box;
+    }
+
+    Input.target, Button.target, TextArea.target, DataTable.target {
+        width: 12;
+        min-width: 0;  # "Unset" Button's min-width.
+    }
+
+    .padding {
+        padding: 1 0;
+    }
+
+    .margin {
+        margin: 2 0;
+    }
+    """
+
+    def compose(self) -> ComposeResult:
+        with Horizontal():
+            yield Label("1234567890" * 3, classes="ruler")
+            with Vertical():
+                yield Label("123456789012", classes="target")
+                yield Label("123456789012", classes="target")
+            with Vertical():
+                yield Label("123456789012", classes="target padding")
+                yield Label("123456789012", classes="target padding")
+            yield Label("1234567890" * 3, classes="ruler")
+            with Vertical():
+                yield Label("123456789012", classes="target margin")
+                yield Label("123456789012", classes="target")
+            with Vertical():
+                yield Label("123456789012", classes="target padding margin")
+                yield Label("123456789012", classes="target padding")
+            yield Label("1234567890" * 3, classes="ruler")
+            with Vertical():
+                yield Input(classes="target")
+                yield Button(classes="target")
+            with Vertical():
+                yield TextArea(classes="target")
+                yield DataTable(classes="target")
+
+
+if __name__ == "__main__":
+    DimensionsApp().run()
diff --git a/tests/snapshot_tests/snapshot_apps/dimensions_max_width.py b/tests/snapshot_tests/snapshot_apps/dimensions_max_width.py
@@ -0,0 +1,62 @@
+"""
+Regression test for https://github.com/Textualize/textual/issues/3721
+and follow-up issues that were discovered.
+"""
+
+from textual.app import App, ComposeResult
+from textual.containers import Horizontal
+from textual.widgets import Input, TextArea, Label, Button, DataTable
+
+
+class DimensionsApp(App[None]):
+    CSS = """
+    Horizontal {
+        height: auto;
+    }
+
+    .ruler {
+        text-style: reverse;
+    }
+
+    .target {
+        width: 80;
+        max-width: 50%;
+        height: 3;
+        border: solid red;
+        box-sizing: border-box;
+    }
+
+    .padding {
+        padding: 0 6;
+    }
+
+    .margin {
+        margin: 0 10;
+    }
+    """
+
+    def compose(self) -> ComposeResult:
+        yield Label("1234567890" * 8, classes="ruler")
+        with Horizontal():
+            yield Label("1234567890" * 4, classes="target")
+            yield Label("1234567890" * 4, classes="target")
+        with Horizontal():
+            yield Label("1234567890" * 4, classes="target padding")
+            yield Label("1234567890" * 4, classes="target padding")
+        yield Label("1234567890" * 8, classes="ruler")
+        with Horizontal():
+            yield Label("1234567890" * 4, classes="target margin")
+            yield Label("1234567890" * 4, classes="target")
+        with Horizontal():
+            yield Label("1234567890" * 4, classes="target padding margin")
+            yield Label("1234567890" * 4, classes="target padding")
+        with Horizontal():
+            yield Input(classes="target")
+            yield Button(classes="target")
+        with Horizontal():
+            yield TextArea(classes="target")
+            yield DataTable(classes="target")
+
+
+if __name__ == "__main__":
+    DimensionsApp().run()
diff --git a/tests/snapshot_tests/snapshot_apps/dimensions_min_height.py b/tests/snapshot_tests/snapshot_apps/dimensions_min_height.py
@@ -0,0 +1,71 @@
+"""
+Regression test for https://github.com/Textualize/textual/issues/3721
+and follow-up issues that were discovered.
+"""
+
+from textual.app import App, ComposeResult
+from textual.containers import Horizontal, Vertical
+from textual.widgets import Input, TextArea, Label, Button, DataTable
+
+
+class DimensionsApp(App[None]):
+    CSS = """
+    Vertical {
+        width: auto;
+    }
+
+    .ruler {
+        text-style: reverse;
+        height: 24;
+        width: 1;
+    }
+
+    .target {
+        width: 3;
+        height: 0;
+        min-height: 50%;
+        border: solid red;
+        box-sizing: border-box;
+    }
+
+    Input.target, Button.target, TextArea.target, DataTable.target {
+        width: 12;
+        min-width: 0;  # "Unset" Button's min-width.
+    }
+
+    .padding {
+        padding: 1 0;
+    }
+
+    .margin {
+        margin: 2 0;
+    }
+    """
+
+    def compose(self) -> ComposeResult:
+        with Horizontal():
+            yield Label("1234567890" * 3, classes="ruler")
+            with Vertical():
+                yield Label("123456789012", classes="target")
+                yield Label("123456789012", classes="target")
+            with Vertical():
+                yield Label("123456789012", classes="target padding")
+                yield Label("123456789012", classes="target padding")
+            yield Label("1234567890" * 3, classes="ruler")
+            with Vertical():
+                yield Label("123456789012", classes="target margin")
+                yield Label("123456789012", classes="target")
+            with Vertical():
+                yield Label("123456789012", classes="target padding margin")
+                yield Label("123456789012", classes="target padding")
+            yield Label("1234567890" * 3, classes="ruler")
+            with Vertical():
+                yield Input(classes="target")
+                yield Button(classes="target")
+            with Vertical():
+                yield TextArea(classes="target")
+                yield DataTable(classes="target")
+
+
+if __name__ == "__main__":
+    DimensionsApp().run()
diff --git a/tests/snapshot_tests/snapshot_apps/dimensions_min_width.py b/tests/snapshot_tests/snapshot_apps/dimensions_min_width.py
@@ -0,0 +1,62 @@
+"""
+Regression test for https://github.com/Textualize/textual/issues/3721
+and follow-up issues that were discovered.
+"""
+
+from textual.app import App, ComposeResult
+from textual.containers import Horizontal
+from textual.widgets import Input, TextArea, Label, Button, DataTable
+
+
+class DimensionsApp(App[None]):
+    CSS = """
+    Horizontal {
+        height: auto;
+    }
+
+    .ruler {
+        text-style: reverse;
+    }
+
+    .target {
+        width: 0;
+        min-width: 50%;
+        height: 3;
+        border: solid red;
+        box-sizing: border-box;
+    }
+
+    .padding {
+        padding: 0 6;
+    }
+
+    .margin {
+        margin: 0 10;
+    }
+    """
+
+    def compose(self) -> ComposeResult:
+        yield Label("1234567890" * 8, classes="ruler")
+        with Horizontal():
+            yield Label("1234567890" * 4, classes="target")
+            yield Label("1234567890" * 4, classes="target")
+        with Horizontal():
+            yield Label("1234567890" * 4, classes="target padding")
+            yield Label("1234567890" * 4, classes="target padding")
+        yield Label("1234567890" * 8, classes="ruler")
+        with Horizontal():
+            yield Label("1234567890" * 4, classes="target margin")
+            yield Label("1234567890" * 4, classes="target")
+        with Horizontal():
+            yield Label("1234567890" * 4, classes="target padding margin")
+            yield Label("1234567890" * 4, classes="target padding")
+        with Horizontal():
+            yield Input(classes="target")
+            yield Button(classes="target")
+        with Horizontal():
+            yield TextArea(classes="target")
+            yield DataTable(classes="target")
+
+
+if __name__ == "__main__":
+    DimensionsApp().run()