wehub-resource-sync
138 lines
3.8 KiB
Go
138 lines
3.8 KiB
Go
/*
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* Copyright 2024 CloudWeGo Authors
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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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package compose
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import (
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"context"
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"errors"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/cloudwego/eino/schema"
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)
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func TestCommonError(t *testing.T) {
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g := NewGraph[string, string]()
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assert.NoError(t, g.AddLambdaNode("1", InvokableLambda(func(ctx context.Context, input string) (output string, err error) {
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return "", errors.New("my error")
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})))
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assert.NoError(t, g.AddEdge(START, "1"))
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assert.NoError(t, g.AddEdge("1", END))
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ctx := context.Background()
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r, err := g.Compile(ctx)
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assert.NoError(t, err)
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// node error
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_, err = r.Invoke(ctx, "input")
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var ie *internalError
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assert.True(t, errors.As(err, &ie))
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assert.Equal(t, "my error", ie.origError.Error())
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// wrapper error
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sr, sw := schema.Pipe[string](0)
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sw.Close()
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_, err = r.Transform(ctx, sr)
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assert.True(t, errors.As(err, &ie))
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assert.ErrorContains(t, ie.origError, "stream reader is empty, concat fail")
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assert.Equal(t, []string{"1"}, ie.nodePath.path)
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println(err.Error())
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}
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func TestSubGraphNodeError(t *testing.T) {
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subG := NewGraph[string, string]()
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assert.NoError(t, subG.AddLambdaNode("1", InvokableLambda(func(ctx context.Context, input string) (output string, err error) {
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return "", errors.New("my error")
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})))
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assert.NoError(t, subG.AddEdge(START, "1"))
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assert.NoError(t, subG.AddEdge("1", END))
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g := NewGraph[string, string]()
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assert.NoError(t, g.AddGraphNode("a", subG))
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assert.NoError(t, g.AddEdge(START, "a"))
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assert.NoError(t, g.AddEdge("a", END))
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ctx := context.Background()
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r, err := g.Compile(ctx)
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assert.NoError(t, err)
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_, err = r.Invoke(ctx, "input")
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var ie *internalError
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assert.True(t, errors.As(err, &ie))
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assert.Equal(t, "my error", ie.origError.Error())
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assert.Equal(t, []string{"a", "1"}, ie.nodePath.path)
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}
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func TestContextCancelDuringRun(t *testing.T) {
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// Create a graph with a long-running node to test context cancellation
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g := NewGraph[string, string]()
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// Add a node that waits for some time (long enough to be cancelled)
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assert.NoError(t, g.AddLambdaNode("slow_node", InvokableLambda(func(ctx context.Context, input string) (output string, err error) {
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select {
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case <-ctx.Done():
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// Return context's error when cancelled
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return "", ctx.Err()
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case <-time.After(200 * time.Millisecond):
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return input + "_processed", nil
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}
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})))
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assert.NoError(t, g.AddEdge(START, "slow_node"))
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assert.NoError(t, g.AddEdge("slow_node", END))
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// Create a context that we can cancel
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ctx, cancel := context.WithCancel(context.Background())
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// Compile the graph
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r, err := g.Compile(ctx)
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assert.NoError(t, err)
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// Run the invoke in a goroutine
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resultCh := make(chan error)
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go func() {
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_, err := r.Invoke(ctx, "input")
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resultCh <- err
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}()
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// Cancel the context after a short delay
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time.Sleep(50 * time.Millisecond)
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cancel()
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// Get the result
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err = <-resultCh
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// Verify the error is related to context cancellation
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assert.Error(t, err)
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// Check error type and content
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var ie *internalError
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assert.True(t, errors.As(err, &ie))
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// Error path should contain the node
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assert.Equal(t, []string{"slow_node"}, ie.nodePath.path)
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// Original error should be context.Canceled
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assert.ErrorIs(t, ie.origError, context.Canceled)
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// Test unwrap capability
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unwrappedErr := ie.Unwrap()
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assert.ErrorIs(t, unwrappedErr, context.Canceled)
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}
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