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81 lines
2.8 KiB
Go
81 lines
2.8 KiB
Go
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//
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// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// parallel_helpers_test.go — shared helpers used by the
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// parallel extension's test files. Kept in a separate file so
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// production code does not have to compile them.
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package workflowx
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import (
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"context"
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"github.com/cloudwego/eino/compose"
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"github.com/cloudwego/eino/schema"
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)
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// injectResumeState wires a test-only backdoor payload into
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// ctx. The parallel snapshot loader checks
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// parallelResumeBackdoorKey first; this lets unit tests drive
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// the resume path without a real eino checkpoint store.
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func injectResumeState(ctx context.Context, payload []byte) context.Context {
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return context.WithValue(ctx, parallelResumeBackdoorKey{}, payload)
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}
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// testCountingRunnable is a hand-rolled compose.Runnable used
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// by the parallel extension's unit tests. It records the
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// number of Invoke calls and optionally blocks on a release
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// channel so the test can observe in-flight concurrency.
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//
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// This is a stand-in for the eino Workflow which serialises
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// concurrent Invoke calls internally; for unit-testing the
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// fan-out helper itself we need a Runnable that is safe to
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// invoke from multiple goroutines simultaneously.
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type testCountingRunnable struct {
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fn func(ctx context.Context, in int, opts ...compose.Option) (int, error)
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}
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func (r testCountingRunnable) Invoke(ctx context.Context, in int, opts ...compose.Option) (int, error) {
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return r.fn(ctx, in, opts...)
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}
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func (r testCountingRunnable) Stream(ctx context.Context, in int, opts ...compose.Option) (*schema.StreamReader[int], error) {
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out, err := r.fn(ctx, in, opts...)
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if err != nil {
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return nil, err
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}
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return schema.StreamReaderFromArray([]int{out}), nil
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}
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func (r testCountingRunnable) Collect(ctx context.Context, in *schema.StreamReader[int], opts ...compose.Option) (int, error) {
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v, err := in.Recv()
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if err != nil {
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return 0, err
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}
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return r.fn(ctx, v, opts...)
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}
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func (r testCountingRunnable) Transform(ctx context.Context, in *schema.StreamReader[int], opts ...compose.Option) (*schema.StreamReader[int], error) {
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v, err := in.Recv()
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if err != nil {
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return nil, err
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}
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out, err := r.fn(ctx, v, opts...)
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if err != nil {
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return nil, err
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}
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return schema.StreamReaderFromArray([]int{out}), nil
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}
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