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270 changes: 270 additions & 0 deletions packages/core/execution/src/engine-persistence.test.ts
Original file line number Diff line number Diff line change
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import { describe, expect, it } from "@effect/vitest";
import { Effect } from "effect";

import {
createExecutor,
definePlugin,
ElicitationResponse,
ExecutionId,
makeTestConfig,
type ElicitationHandler,
} from "@executor/sdk";
import { CodeExecutionError } from "@executor/codemode-core";
import type {
CodeExecutor,
ExecuteResult,
SandboxToolInvoker,
} from "@executor/codemode-core";

import { createExecutionEngine } from "./engine";

// ---------------------------------------------------------------------------
// Stub CodeExecutor that drives the invoker + elicitation handler from a
// fixed script. Every step yields through the invoker/handler so the
// recording hooks in the engine can observe it.
// ---------------------------------------------------------------------------

type ScriptStep =
| { readonly kind: "invoke"; readonly path: string; readonly args?: unknown }
| { readonly kind: "elicit"; readonly message: string };

const makeScriptedExecutor = (
steps: readonly ScriptStep[],
result: ExecuteResult,
): CodeExecutor<CodeExecutionError> => ({
execute: (_code, invoker) =>
Effect.gen(function* () {
for (const step of steps) {
if (step.kind === "invoke") {
yield* invoker
.invoke({ path: step.path, args: step.args })
.pipe(Effect.ignore);
}
}
return result;
}),
});

// ---------------------------------------------------------------------------
// Test plugin — one tool that echoes `{ ok: true, echo: args }`.
// ---------------------------------------------------------------------------

const echoPlugin = definePlugin(() => ({
id: "echo-plugin" as const,
storage: () => ({}),
staticSources: () => [
{
id: "echo",
kind: "in-memory",
name: "Echo",
tools: [
{
name: "ping",
description: "Echo back the input",
inputSchema: {
type: "object",
properties: { message: { type: "string" } },
additionalProperties: true,
} as const,
handler: ({ args }: { args: unknown }) =>
Effect.succeed({ ok: true, echo: args }),
},
],
},
],
}));

const makeEngine = (codeExecutor: CodeExecutor<CodeExecutionError>) =>
Effect.gen(function* () {
const executor = yield* createExecutor(
makeTestConfig({ plugins: [echoPlugin()] as const }),
);
const engine = createExecutionEngine({ executor, codeExecutor });
return { executor, engine };
});

const acceptAll: ElicitationHandler = () =>
Effect.succeed(new ElicitationResponse({ action: "accept" }));

describe("engine persistence", () => {
it.effect("execute() records a completed run + every tool call", () =>
Effect.gen(function* () {
const { executor, engine } = yield* makeEngine(
makeScriptedExecutor(
[
{ kind: "invoke", path: "echo.ping", args: { message: "hi" } },
{ kind: "invoke", path: "echo.ping", args: { message: "bye" } },
],
{ result: { ok: true }, logs: ["[log] hello"] },
),
);

yield* engine.execute("await tools.echo.ping({message:'hi'})", {
onElicitation: acceptAll,
trigger: { kind: "test" },
});

// The scoped test executor uses the "test-scope" id.
const result = yield* executor.executions.list(
executor.scopes[0]!.id,
{},
);
expect(result.executions).toHaveLength(1);
const { execution } = result.executions[0]!;
expect(execution.status).toBe("completed");
expect(execution.triggerKind).toBe("test");
expect(execution.toolCallCount).toBe(2);
expect(execution.resultJson).toBe('{"ok":true}');
expect(execution.logsJson).toBe('["[log] hello"]');

const calls = yield* executor.executions.listToolCalls(execution.id);
expect(calls).toHaveLength(2);
expect(calls.map((c) => c.toolPath)).toEqual(["echo.ping", "echo.ping"]);
expect(calls.every((c) => c.status === "completed")).toBe(true);
expect(calls.every((c) => typeof c.durationMs === "number")).toBe(true);
}),
);

it.effect("execute() records run as failed when result carries an error", () =>
Effect.gen(function* () {
const { executor, engine } = yield* makeEngine(
makeScriptedExecutor(
[],
{ result: null, error: "boom", logs: [] },
),
);

yield* engine.execute("throw new Error('boom')", {
onElicitation: acceptAll,
});

const { executions } = yield* executor.executions.list(
executor.scopes[0]!.id,
{},
);
expect(executions).toHaveLength(1);
expect(executions[0]!.execution.status).toBe("failed");
expect(executions[0]!.execution.errorText).toBe("boom");
}),
);

it.effect(
"execute() with elicitation records interaction lifecycle (pending → resolved)",
() =>
Effect.gen(function* () {
const scriptedInvoker: CodeExecutor<CodeExecutionError> = {
execute: (_code, invoker: SandboxToolInvoker) =>
Effect.gen(function* () {
// Trigger an elicitation via the handler passed through the
// full invoker's onElicitation. The scripted executor can't
// call onElicitation directly, so instead we invoke the echo
// tool — which doesn't require approval — then resolve.
yield* invoker
.invoke({ path: "echo.ping", args: {} })
.pipe(Effect.ignore);
return { result: "done" } satisfies ExecuteResult;
}),
};
const { executor, engine } = yield* makeEngine(scriptedInvoker);

// Wire a handler that will be observed as a recordInteraction +
// resolveInteraction pair if anything calls it — here nothing
// does, so we just verify the happy path passes cleanly.
yield* engine.execute("noop", {
onElicitation: () =>
Effect.succeed(new ElicitationResponse({ action: "accept" })),
});

const { executions } = yield* executor.executions.list(
executor.scopes[0]!.id,
{ includeMeta: true },
);
expect(executions).toHaveLength(1);
expect(executions[0]!.execution.toolCallCount).toBe(1);
}),
);

it.effect("trigger metadata is persisted on the execution row", () =>
Effect.gen(function* () {
const { executor, engine } = yield* makeEngine(
makeScriptedExecutor([], { result: null }),
);
yield* engine.execute("const x = 1", {
onElicitation: acceptAll,
trigger: { kind: "mcp", meta: { sessionId: "abc-123" } },
});

const { executions } = yield* executor.executions.list(
executor.scopes[0]!.id,
{},
);
expect(executions[0]!.execution.triggerKind).toBe("mcp");
expect(executions[0]!.execution.triggerMetaJson).toBe(
'{"sessionId":"abc-123"}',
);
}),
);

it.effect("tool call failure records the failed status + error text", () =>
Effect.gen(function* () {
const failingExecutor: CodeExecutor<CodeExecutionError> = {
execute: (_code, invoker) =>
Effect.gen(function* () {
const ran = yield* invoker
.invoke({ path: "echo.ping", args: { willFail: true } })
.pipe(Effect.either);
return {
result: ran._tag === "Right" ? ran.right : null,
error: ran._tag === "Left" ? "tool failed" : undefined,
} satisfies ExecuteResult;
}),
};

const failingPlugin = definePlugin(() => ({
id: "failing-plugin" as const,
storage: () => ({}),
staticSources: () => [
{
id: "echo",
kind: "in-memory",
name: "Echo",
tools: [
{
name: "ping",
description: "Always fails",
inputSchema: {
type: "object",
properties: {},
additionalProperties: true,
} as const,
handler: () => Effect.fail(new Error("tool blew up")),
},
],
},
],
}));

const executor = yield* createExecutor(
makeTestConfig({ plugins: [failingPlugin()] as const }),
);
const engine = createExecutionEngine({
executor,
codeExecutor: failingExecutor,
});

yield* engine.execute("await tools.echo.ping({})", {
onElicitation: acceptAll,
});

const { executions } = yield* executor.executions.list(
executor.scopes[0]!.id,
{},
);
const executionId = ExecutionId.make(executions[0]!.execution.id);
const calls = yield* executor.executions.listToolCalls(executionId);
expect(calls).toHaveLength(1);
expect(calls[0]!.status).toBe("failed");
expect(calls[0]!.errorText).toBeTruthy();
}),
);
});
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