feat(task): replace built-in task adaptors with a sandboxed JS plugin system (#7076)

pkg/jsplugin/fixture_test.go

@@ -0,0 +1,49 @@
+package jsplugin
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+const fixturePlugin = `
+export const meta = { apiVersion: 1, key: "fixture", name: "Fixture", version: "1.0.0", author: {name: "Test"}, channelTypes: [1002], models: ["fixture-model"], fetchMode: "per_task", protocols: [{name: "openai_responses", supports: ["sync", "background"]}] };
+export function buildSubmitRequest(ctx) { return {url: ctx.baseUrl + "/submit"}; }
+export function parseSubmitResponse(ctx, resp) { return {taskId: resp.body.id}; }
+export function buildQueryRequest(ctx) { return {url: ctx.baseUrl + "/task"}; }
+export function parseTaskResult(ctx, body) { return body; }
+export function stamp(value) { return {value: value, now: utils.unixNow()}; }
+export function fail() { throw new Error("fixture failure"); }
+export const native = { compact: function(value) { return {id: value.task_id}; } };
+export const protocols = { openai_responses: {
+  decodeRequest: function(value) { return {kind: "submit", model: value.model}; },
+  renderFinal: function(ctx, task) { return task; }
+} };
+`
+
+func TestReplayFixture(t *testing.T) {
+	t.Parallel()
+	report, err := ReplayFixture(context.Background(), fixturePlugin, []byte(`{
+  "unixNow": 1700000000,
+  "cases": [
+    {"name":"deterministic time","hook":"stamp","args":["ok"],"expected":{"value":"ok","now":1700000000}},
+    {"name":"member call","hook":"native","member":"compact","args":[{"task_id":"task-1"}],"expected":{"id":"task-1"}},
+    {"name":"nested path call","hook":"protocols","path":["openai_responses","decodeRequest"],"args":[{"model":"video-1"}],"expected":{"kind":"submit","model":"video-1"}},
+    {"name":"expected failure","hook":"fail","args":[],"expectedError":"fixture failure"}
+  ]
+}`))
+	require.NoError(t, err)
+	assert.Equal(t, FixtureReport{Total: 4, Passed: 4}, report)
+}
+
+func TestReplayFixtureReportsMismatch(t *testing.T) {
+	t.Parallel()
+	report, err := ReplayFixture(context.Background(), fixturePlugin, []byte(`{
+  "cases": [{"name":"wrong output","hook":"stamp","args":["ok"],"expected":{"value":"different"}}]
+}`))
+	require.Error(t, err)
+	assert.Contains(t, err.Error(), "wrong output: result mismatch")
+	assert.Equal(t, FixtureReport{Total: 1}, report)
+}