fix(session): avoid stuck sessions from empty responses and compaction races

packages/app/src/components/file-tree.test.ts

@@ -1,10 +1,98 @@
-import { beforeAll, describe, expect, mock, test } from "bun:test"
+import { beforeAll, beforeEach, describe, expect, mock, test } from "bun:test"
+import type { JSX } from "solid-js"
+import type { FileNode } from "@opencode-ai/sdk/v2"
 
+let FileTree: typeof import("./file-tree").default
 let shouldListRoot: typeof import("./file-tree").shouldListRoot
 let shouldListExpanded: typeof import("./file-tree").shouldListExpanded
 let dirsToExpand: typeof import("./file-tree").dirsToExpand
+let parentDirectoryPath: typeof import("./file-tree").parentDirectoryPath
+let fileTreeOpenLocationPath: typeof import("./file-tree").fileTreeOpenLocationPath
+let openFileTreeLocation: typeof import("./file-tree").openFileTreeLocation
+
+const openPath = mock((_path: string) => Promise.resolve())
+const contextMenuItems: { onSelect?: () => void }[] = []
+const contextMenuLabels: string[] = []
+let contextMenuRoots = 0
+let contextMenuTriggers = 0
+let fileTreeNodes: FileNode[] = []
+let platformOpenPath: ((path: string) => Promise<void>) | undefined = openPath
+let platformName = "desktop"
+let localServer = true
+
+type ElementType = string | ((props: Record<string, unknown>) => unknown)
+
+const createElement = (type: ElementType, props: Record<string, unknown> | null, ...children: unknown[]) => {
+  const propsWithChildren: Record<string, unknown> = { ...(props ?? {}) }
+  if (children.length === 1) propsWithChildren.children = children[0]
+  if (children.length > 1) propsWithChildren.children = children
+  if (typeof type === "function") return type(propsWithChildren)
+  return propsWithChildren.children
+}
+
+const clearContextMenuCaptures = () => {
+  contextMenuItems.length = 0
+  contextMenuLabels.length = 0
+  contextMenuRoots = 0
+  contextMenuTriggers = 0
+}
+
+const resetEnvironment = () => {
+  openPath.mockClear()
+  clearContextMenuCaptures()
+  fileTreeNodes = []
+  platformOpenPath = openPath
+  platformName = "desktop"
+  localServer = true
+  document.body.innerHTML = ""
+}
+
+const fileNode = (absolute?: string) =>
+  ({
+    name: "index.ts",
+    path: "src/index.ts",
+    absolute,
+    type: "file",
+    ignored: false,
+  }) as FileNode
+
+const folderNode = (absolute?: string) =>
+  ({
+    name: "components",
+    path: "src/components",
+    absolute,
+    type: "directory",
+    ignored: false,
+  }) as FileNode
+
+const renderTree = (nodes: FileNode[]) => {
+  fileTreeNodes = nodes
+  FileTree({ path: "root", draggable: false })
+  return () => undefined
+}
+
+const expectNoContextMenuAction = (node: FileNode, configure?: () => void) => {
+  resetEnvironment()
+  configure?.()
+  const dispose = renderTree([node])
+
+  expect(contextMenuRoots).toBe(0)
+  expect(contextMenuTriggers).toBe(0)
+  expect(contextMenuItems).toHaveLength(0)
+  expect(contextMenuLabels).toEqual([])
+  expect(openPath).not.toHaveBeenCalled()
+
+  dispose()
+}
 
 beforeAll(async () => {
+  Reflect.set(globalThis, "React", { createElement })
+  mock.module("solid-js/web", () => ({
+    Dynamic: (props: { component?: ElementType; children?: JSX.Element }) => {
+      if (typeof props.component === "function") return props.component(props)
+      return props.children
+    },
+  }))
   mock.module("@solidjs/router", () => ({
     useNavigate: () => () => undefined,
     useParams: () => ({}),
@@ -13,28 +101,81 @@ beforeAll(async () => {
   }))
   mock.module("@/context/file", () => ({
     useFile: () => ({
+      normalize: (path: string) => path,
       tree: {
-        state: () => undefined,
+        state: () => ({ loaded: true, expanded: false }),
         list: () => Promise.resolve(),
-        children: () => [],
+        children: (path: string) => (path === "root" ? fileTreeNodes : []),
         expand: () => {},
         collapse: () => {},
       },
     }),
   }))
+  mock.module("@/context/language", () => ({
+    useLanguage: () => ({
+      t: (key: string) => key,
+    }),
+  }))
+  mock.module("@/context/platform", () => ({
+    usePlatform: () => ({
+      platform: platformName,
+      openPath: platformOpenPath,
+    }),
+  }))
+  mock.module("@/context/server", () => ({
+    useServer: () => ({
+      isLocal: () => localServer,
+    }),
+  }))
   mock.module("@opencode-ai/ui/collapsible", () => ({
-    Collapsible: {
+    Collapsible: Object.assign((props: { children?: unknown }) => props.children, {
       Trigger: (props: { children?: unknown }) => props.children,
       Content: (props: { children?: unknown }) => props.children,
-    },
+    }),
   }))
+  mock.module("@opencode-ai/ui/context-menu", () => {
+    const passthrough = (props: { children?: JSX.Element }) => props.children
+    return {
+      ContextMenu: Object.assign(
+        (props: { children?: JSX.Element }) => {
+          contextMenuRoots++
+          return props.children
+        },
+        {
+          Trigger: (props: { children?: JSX.Element }) => {
+            contextMenuTriggers++
+            return props.children
+          },
+          Portal: passthrough,
+          Content: passthrough,
+          Item: (props: { children?: JSX.Element; onSelect?: () => void }) => {
+            contextMenuItems.push({ onSelect: props.onSelect })
+            return props.children
+          },
+          ItemLabel: (props: { children?: JSX.Element }) => {
+            contextMenuLabels.push(String(props.children))
+            return props.children
+          },
+        },
+      ),
+    }
+  })
   mock.module("@opencode-ai/ui/file-icon", () => ({ FileIcon: () => null }))
   mock.module("@opencode-ai/ui/icon", () => ({ Icon: () => null }))
+  mock.module("@opencode-ai/ui/toast", () => ({ showToast: () => undefined }))
   mock.module("@opencode-ai/ui/tooltip", () => ({ Tooltip: (props: { children?: unknown }) => props.children }))
   const mod = await import("./file-tree")
+  FileTree = mod.default
   shouldListRoot = mod.shouldListRoot
   shouldListExpanded = mod.shouldListExpanded
   dirsToExpand = mod.dirsToExpand
+  parentDirectoryPath = mod.parentDirectoryPath
+  fileTreeOpenLocationPath = mod.fileTreeOpenLocationPath
+  openFileTreeLocation = mod.openFileTreeLocation
+})
+
+beforeEach(() => {
+  resetEnvironment()
 })
 
 describe("file tree fetch discipline", () => {
@@ -78,3 +219,98 @@ describe("file tree fetch discipline", () => {
     expect(dirsToExpand({ level: 1, filter, expanded: () => false })).toEqual([])
   })
 })
+
+describe("file tree open location path", () => {
+  test("resolves a file path to its parent directory", () => {
+    expect(parentDirectoryPath("E:\\works\\opencode\\src\\index.ts")).toBe("E:\\works\\opencode\\src")
+  })
+
+  test("resolves a folder path to its parent directory", () => {
+    expect(parentDirectoryPath("E:\\works\\opencode\\src\\components")).toBe("E:\\works\\opencode\\src")
+  })
+
+  test("does not resolve missing, empty, or root-only paths", () => {
+    expect(parentDirectoryPath()).toBeUndefined()
+    expect(parentDirectoryPath("")).toBeUndefined()
+    expect(parentDirectoryPath("/")).toBeUndefined()
+    expect(parentDirectoryPath("E:\\")).toBeUndefined()
+    expect(fileTreeOpenLocationPath({} as Pick<FileNode, "absolute">)).toBeUndefined()
+  })
+})
+
+describe("file tree open location action", () => {
+  test("opens the resolved parent directory for file and folder rows", () => {
+    openFileTreeLocation({
+      path: fileTreeOpenLocationPath({ absolute: "E:\\works\\opencode\\src\\index.ts" }),
+      openPath,
+      onError: () => undefined,
+    })
+
+    expect(openPath).toHaveBeenLastCalledWith("E:\\works\\opencode\\src")
+
+    openPath.mockClear()
+    openFileTreeLocation({
+      path: fileTreeOpenLocationPath({ absolute: "E:\\works\\opencode\\src\\components" }),
+      openPath,
+      onError: () => undefined,
+    })
+
+    expect(openPath).toHaveBeenLastCalledWith("E:\\works\\opencode\\src")
+  })
+
+  test("skips openPath when the node has no parent target", () => {
+    openFileTreeLocation({
+      path: fileTreeOpenLocationPath({} as Pick<FileNode, "absolute">),
+      openPath,
+      onError: () => undefined,
+    })
+
+    expect(openPath).not.toHaveBeenCalled()
+  })
+})
+
+describe("file tree row context menu", () => {
+  test("renders an i18n open-folder action for file rows and opens the parent directory", () => {
+    const dispose = renderTree([fileNode("E:\\works\\opencode\\src\\index.ts")])
+
+    expect(contextMenuRoots).toBeGreaterThan(0)
+    expect(contextMenuTriggers).toBeGreaterThan(0)
+    expect(contextMenuLabels).toContain("session.files.openFolder")
+
+    contextMenuItems[0]?.onSelect?.()
+
+    expect(openPath).toHaveBeenLastCalledWith("E:\\works\\opencode\\src")
+
+    dispose()
+  })
+
+  test("renders an i18n open-folder action for folder rows and opens the parent directory", () => {
+    const dispose = renderTree([folderNode("E:\\works\\opencode\\src\\components")])
+
+    expect(contextMenuRoots).toBeGreaterThan(0)
+    expect(contextMenuTriggers).toBeGreaterThan(0)
+    expect(contextMenuLabels).toContain("session.files.openFolder")
+
+    contextMenuItems[0]?.onSelect?.()
+
+    expect(openPath).toHaveBeenLastCalledWith("E:\\works\\opencode\\src")
+    expect(openPath).not.toHaveBeenCalledWith("E:\\works\\opencode\\src\\components")
+
+    dispose()
+  })
+
+  test("hides the custom action when the row path or opener gate is unavailable", () => {
+    expectNoContextMenuAction(fileNode())
+    expectNoContextMenuAction(fileNode(""))
+    expectNoContextMenuAction(folderNode("E:\\"))
+    expectNoContextMenuAction(fileNode("E:\\works\\opencode\\src\\index.ts"), () => {
+      platformOpenPath = undefined
+    })
+    expectNoContextMenuAction(folderNode("E:\\works\\opencode\\src\\components"), () => {
+      localServer = false
+    })
+    expectNoContextMenuAction(fileNode("E:\\works\\opencode\\src\\index.ts"), () => {
+      platformName = "web"
+    })
+  })
+})