feat(opencode): add interactive split-footer mode to run (#23557)

packages/opencode/test/cli/run/prompt.shared.test.ts

@@ -0,0 +1,132 @@
+import { describe, expect, test } from "bun:test"
+import {
+  createPromptHistory,
+  isExitCommand,
+  isNewCommand,
+  movePromptHistory,
+  printableBinding,
+  promptCycle,
+  promptHit,
+  promptInfo,
+  promptKeys,
+  pushPromptHistory,
+} from "@/cli/cmd/run/prompt.shared"
+import type { RunPrompt } from "@/cli/cmd/run/types"
+
+function bindings(...keys: string[]) {
+  return keys.map((key) => ({ key }))
+}
+
+const keybinds = {
+  leader: "ctrl+x",
+  leaderTimeout: 2000,
+  commandList: bindings("ctrl+p"),
+  variantCycle: bindings("ctrl+t", "<leader>t"),
+  interrupt: bindings("escape"),
+  historyPrevious: bindings("up"),
+  historyNext: bindings("down"),
+  inputClear: bindings("ctrl+c"),
+  inputSubmit: bindings("return"),
+  inputNewline: bindings("shift+return,ctrl+return,alt+return,ctrl+j"),
+}
+
+function prompt(text: string, parts: RunPrompt["parts"] = []): RunPrompt {
+  return { text, parts }
+}
+
+describe("run prompt shared", () => {
+  test("filters blank prompts and dedupes consecutive history", () => {
+    const out = createPromptHistory([prompt("   "), prompt("one"), prompt("one"), prompt("two"), prompt("one")])
+
+    expect(out.items.map((item) => item.text)).toEqual(["one", "two", "one"])
+    expect(out.index).toBeNull()
+    expect(out.draft).toBe("")
+  })
+
+  test("push ignores blanks and dedupes only the latest item", () => {
+    const base = createPromptHistory([prompt("one")])
+
+    expect(pushPromptHistory(base, prompt("   ")).items.map((item) => item.text)).toEqual(["one"])
+    expect(pushPromptHistory(base, prompt("one")).items.map((item) => item.text)).toEqual(["one"])
+    expect(pushPromptHistory(base, prompt("two")).items.map((item) => item.text)).toEqual(["one", "two"])
+  })
+
+  test("moves through history only at input boundaries and restores draft", () => {
+    const base = createPromptHistory([prompt("one"), prompt("two")])
+
+    expect(movePromptHistory(base, -1, "draft", 1)).toEqual({
+      state: base,
+      apply: false,
+    })
+
+    const up = movePromptHistory(base, -1, "draft", 0)
+    expect(up.apply).toBe(true)
+    expect(up.text).toBe("two")
+    expect(up.cursor).toBe(0)
+    expect(up.state.index).toBe(1)
+    expect(up.state.draft).toBe("draft")
+
+    const older = movePromptHistory(up.state, -1, "two", 0)
+    expect(older.apply).toBe(true)
+    expect(older.text).toBe("one")
+    expect(older.cursor).toBe(0)
+    expect(older.state.index).toBe(0)
+
+    const newer = movePromptHistory(older.state, 1, "one", 3)
+    expect(newer.apply).toBe(true)
+    expect(newer.text).toBe("two")
+    expect(newer.cursor).toBe(3)
+    expect(newer.state.index).toBe(1)
+
+    const draft = movePromptHistory(newer.state, 1, "two", 3)
+    expect(draft.apply).toBe(true)
+    expect(draft.text).toBe("draft")
+    expect(draft.cursor).toBe(5)
+    expect(draft.state.index).toBeNull()
+  })
+
+  test("handles direct and leader-based variant cycling", () => {
+    const keys = promptKeys(keybinds)
+
+    expect(promptHit(keys.clear, promptInfo({ name: "c", ctrl: true }))).toBe(true)
+
+    expect(promptCycle(false, promptInfo({ name: "x", ctrl: true }), keys.leaders, keys.cycles)).toEqual({
+      arm: true,
+      clear: false,
+      cycle: false,
+      consume: true,
+    })
+
+    expect(promptCycle(true, promptInfo({ name: "t" }), keys.leaders, keys.cycles)).toEqual({
+      arm: false,
+      clear: true,
+      cycle: true,
+      consume: true,
+    })
+
+    expect(promptCycle(false, promptInfo({ name: "t", ctrl: true }), keys.leaders, keys.cycles)).toEqual({
+      arm: false,
+      clear: false,
+      cycle: true,
+      consume: true,
+    })
+  })
+
+  test("prints bindings with leader substitution and esc normalization", () => {
+    expect(printableBinding(keybinds.variantCycle.slice(1), "ctrl+x")).toBe("ctrl+x t")
+    expect(printableBinding(keybinds.interrupt, "ctrl+x")).toBe("esc")
+    expect(printableBinding([], "ctrl+x")).toBe("")
+  })
+
+  test("recognizes exit commands", () => {
+    expect(isExitCommand("/exit")).toBe(true)
+    expect(isExitCommand(" /Quit ")).toBe(true)
+    expect(isExitCommand("/quit now")).toBe(false)
+  })
+
+  test("recognizes the new-session command", () => {
+    expect(isNewCommand("/new")).toBe(true)
+    expect(isNewCommand(" /NEW ")).toBe(true)
+    expect(isNewCommand("/new now")).toBe(false)
+  })
+})