refactor(tmux): migrate pane-close to runner and expand test coverage

src/shared/tmux/tmux-utils/pane-close-runner.test.ts

@@ -0,0 +1,67 @@
+import { beforeEach, describe, expect, it, mock } from "bun:test"
+
+import type { TmuxCommandResult } from "../runner"
+
+const paneCloseSpecifier = import.meta.resolve("./pane-close")
+const environmentSpecifier = import.meta.resolve("./environment")
+const loggerSpecifier = import.meta.resolve("../../logger")
+const runnerSpecifier = import.meta.resolve("../runner")
+const tmuxPathResolverSpecifier = import.meta.resolve("../../../tools/interactive-bash/tmux-path-resolver")
+
+const runTmuxCommandMock = mock(async (): Promise<TmuxCommandResult> => ({
+	success: true,
+	output: "",
+	stdout: "",
+	stderr: "",
+	exitCode: 0,
+}))
+const isInsideTmuxMock = mock((): boolean => true)
+const getTmuxPathMock = mock(async (): Promise<string | undefined> => "sh")
+const logMock = mock(() => undefined)
+
+async function loadCloseTmuxPane(): Promise<typeof import("./pane-close").closeTmuxPane> {
+	const module = await import(`${paneCloseSpecifier}?test=${crypto.randomUUID()}`)
+	return module.closeTmuxPane
+}
+
+function registerModuleMocks(): void {
+	mock.module(environmentSpecifier, () => ({ isInsideTmux: isInsideTmuxMock }))
+	mock.module(loggerSpecifier, () => ({ log: logMock }))
+	mock.module(runnerSpecifier, () => ({ runTmuxCommand: runTmuxCommandMock }))
+	mock.module(tmuxPathResolverSpecifier, () => ({ getTmuxPath: getTmuxPathMock }))
+}
+
+describe("closeTmuxPane runner integration", () => {
+	beforeEach(() => {
+		registerModuleMocks()
+		runTmuxCommandMock.mockClear()
+		isInsideTmuxMock.mockClear()
+		getTmuxPathMock.mockClear()
+		logMock.mockClear()
+
+		runTmuxCommandMock.mockResolvedValue({
+			success: true,
+			output: "",
+			stdout: "",
+			stderr: "",
+			exitCode: 0,
+		})
+		isInsideTmuxMock.mockReturnValue(true)
+		getTmuxPathMock.mockResolvedValue("sh")
+	})
+
+	it("#given pane exists #when closeTmuxPane called #then delegates send-keys and kill-pane to shared runner", async () => {
+		// given
+		const closeTmuxPane = await loadCloseTmuxPane()
+
+		// when
+		const result = await closeTmuxPane("%42")
+
+		// then
+		expect(result).toBe(true)
+		expect(runTmuxCommandMock.mock.calls).toEqual([
+			["sh", ["send-keys", "-t", "%42", "C-c"]],
+			["sh", ["kill-pane", "-t", "%42"]],
+		])
+	})
+})