T06g forms structure: form with Cmd-Enter submit, sections, fields, labels, errors, field arrays, inline forms, dirty indicator

src/forms/tests/structure.rs

@@ -0,0 +1,113 @@
+use gpui::{
+    AppContext as _, Context, Entity, IntoElement, KeyUpEvent, Keystroke, ParentElement, Render,
+    TestAppContext, VisualTestContext, Window, div,
+};
+
+use super::setup;
+use crate::forms::{FieldArray, Form, FormField, Input, InputEvent, TextInput};
+
+struct Signup {
+    name: Entity<TextInput>,
+    sent: usize,
+    field_submits: usize,
+}
+
+impl Render for Signup {
+    fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        let view = cx.entity();
+        Form::new("signup")
+            .on_submit(move |_, cx| {
+                view.update(cx, |view, cx| {
+                    view.sent += 1;
+                    cx.notify();
+                })
+            })
+            .child(
+                FormField::new("signup-name", "Name")
+                    .required()
+                    .child(Input::new(&self.name)),
+            )
+    }
+}
+
+#[gpui::test]
+fn cmd_enter_in_a_field_submits_the_form_once(cx: &mut TestAppContext) {
+    setup(cx);
+    let (view, cx) = cx.add_window_view(|window, cx| {
+        let name = cx.new(|cx| TextInput::new(window, cx));
+        cx.subscribe(&name, |view: &mut Signup, _, event, _| {
+            if *event == InputEvent::Submit {
+                view.field_submits += 1;
+            }
+        })
+        .detach();
+        Signup {
+            name,
+            sent: 0,
+            field_submits: 0,
+        }
+    });
+    cx.update(|window, _| window.focus_next());
+    cx.simulate_input("Ada");
+    cx.simulate_keystrokes("cmd-enter");
+    let counts = view.read_with(cx, |view, _| (view.sent, view.field_submits));
+    assert_eq!(counts, (1, 0));
+}
+
+struct Rows {
+    rows: Vec<&'static str>,
+}
+
+impl Render for Rows {
+    fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        let (grow, shrink) = (cx.entity(), cx.entity());
+        self.rows.iter().fold(
+            FieldArray::new("rows")
+                .on_add(move |_, cx| {
+                    grow.update(cx, |view, cx| {
+                        view.rows.push("new");
+                        cx.notify();
+                    })
+                })
+                .on_remove(move |ix, _, cx| {
+                    shrink.update(cx, |view, cx| {
+                        view.rows.remove(ix);
+                        cx.notify();
+                    })
+                }),
+            |array, row| array.row(div().child(*row)),
+        )
+    }
+}
+
+fn press(key: &str, cx: &mut VisualTestContext) {
+    cx.simulate_keystrokes(key);
+    cx.simulate_event(KeyUpEvent {
+        keystroke: Keystroke::parse(key).unwrap(),
+    });
+}
+
+#[gpui::test]
+fn field_array_buttons_remove_their_own_row_and_add_one(cx: &mut TestAppContext) {
+    setup(cx);
+    let (view, cx) = cx.add_window_view(|_, _| Rows {
+        rows: vec!["a", "b", "c"],
+    });
+    cx.update(|window, _| {
+        window.focus_next();
+        window.focus_next();
+    });
+    press("space", cx);
+    assert_eq!(view.read_with(cx, |view, _| view.rows.clone()), ["a", "c"]);
+    cx.update(|window, _| {
+        window.blur();
+        for _ in 0..3 {
+            window.focus_next();
+        }
+    });
+    press("space", cx);
+    assert_eq!(
+        view.read_with(cx, |view, _| view.rows.clone()),
+        ["a", "c", "new"]
+    );
+}