initial commit: Proximity iOS app proposal, full Swift code scaffold, reference backend, testing docs, generated Xcode project

ProximityUITests/ProximityFlowUITests.swift

@@ -0,0 +1,54 @@
+import XCTest
+
+/// UI test that drives the core interaction loop end-to-end in the simulator.
+///
+/// This exercises the make-or-break flow without any hardware:
+///   go present → simulate an encounter → wave → reveal → chat.
+///
+/// It relies on the DEBUG-only debug menu and the simulated adapter. Run it
+/// against the local reference server (see docs/TESTING.md).
+final class ProximityFlowUITests: XCTestCase {
+
+    override func setUpWithError() throws {
+        continueAfterFailure = false
+    }
+
+    /// The full happy path: presence → encounter → wave → reveal → chat.
+    func testFullInteractionLoop() throws {
+        let app = XCUIApplication()
+        app.launch()
+
+        // 1. Go present (the big toggle).
+        let presentButton = app.buttons["I'm Here"]
+        XCTAssertTrue(presentButton.waitForExistence(timeout: 5))
+        presentButton.tap()
+
+        // 2. Open the debug menu and simulate someone walking by.
+        app.buttons["hammer"].tap()
+        app.buttons["Simulate someone walking by"].tap()
+        app.navigationBars.buttons.firstMatch.tap() // back
+
+        // 3. A silhouette appears in the feed.
+        let waveButton = app.buttons["Wave"]
+        XCTAssertTrue(waveButton.waitForExistence(timeout: 5))
+        waveButton.tap()
+
+        // 4. (Mutual wave is driven by the server in a two-client setup.
+        //    For a single-client UI test, we assert the waiting state.)
+        XCTAssertTrue(app.staticTexts["Waved ✓"].waitForExistence(timeout: 5))
+    }
+
+    /// Verifies the presence toggle state transitions.
+    func testPresenceToggle() throws {
+        let app = XCUIApplication()
+        app.launch()
+
+        let presentButton = app.buttons["I'm Here"]
+        XCTAssertTrue(presentButton.waitForExistence(timeout: 5))
+        presentButton.tap()
+
+        // After tapping, the button should read "I'm Here" (active state).
+        let active = app.buttons["I'm Here"]
+        XCTAssertTrue(active.waitForExistence(timeout: 5))
+    }
+}