1 files changed, 48 insertions, 0 deletions
diff --git a/Tests/barTests/BlockInteractionTests.swift b/Tests/barTests/BlockInteractionTests.swift
new file mode 100644
index 0000000..7ffc9d4
--- /dev/null
+++ b/Tests/barTests/BlockInteractionTests.swift
@@ -0,0 +1,48 @@
+import AppKit
+import Testing
+@testable import bar
+
+@Test @MainActor func monitorLifetime() {
+	let block = Block(name: "test", placement: .left, command: "")
+	var interaction: BlockInteraction? = BlockInteraction()
+	weak let owner = interaction
+	interaction?.start(block: block)
+	let first = interaction?.eventsMonitor as AnyObject?
+	#expect(first != nil)
+	interaction?.start(block: block)
+	#expect(first === (interaction?.eventsMonitor as AnyObject?))
+	interaction?.hoveredIndex = 0
+	interaction?.stop()
+	#expect(interaction?.eventsMonitor == nil)
+	#expect(interaction?.hoveredIndex == nil)
+	interaction?.stop()
+	interaction?.start(block: block)
+	#expect(interaction?.eventsMonitor != nil)
+	interaction = nil
+	#expect(owner == nil)
+}
+
+@Test @MainActor func monitorDoesNotOwnBlock() {
+	let interaction = BlockInteraction()
+	var block: Block? = Block(name: "test", placement: .left, command: "")
+	weak let observedBlock = block
+	interaction.start(block: block!)
+	block = nil
+	#expect(observedBlock == nil)
+	interaction.stop()
+}
+
+@Test @MainActor func hoverResolvesCurrentContent() {
+	let block = Block(name: "test", placement: .left, command: "")
+	let interaction = BlockInteraction()
+	block.cells = [Cell(rawValue: "old"), Cell(rawValue: "second")]
+	interaction.hoveredIndex = 0
+	#expect(interaction.hoveredCell(in: block)?.rawValue == "old")
+	block.cells = [Cell(rawValue: "new"), Cell(rawValue: "new")]
+	#expect(interaction.hoveredCell(in: block)?.rawValue == "new")
+	interaction.hoveredIndex = 1
+	block.cells = [Cell(rawValue: "remaining")]
+	#expect(interaction.hoveredCell(in: block) == nil)
+	interaction.stop()
+	#expect(interaction.hoveredCell(in: block) == nil)
+}