7ff1491397
* Add trace proxying to fix sub-process trace collection when tracing to files * Better func naming in test * Avoid dealing with Windows path nightmare * On Windows it is go.exe of course * Rename operation to component to better align with existing trace output
78 lines
1.3 KiB
Go
78 lines
1.3 KiB
Go
// Copyright 2016-2021, Pulumi Corporation. All rights reserved.
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//
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// Utilities for testing AppDash-based tracing files.
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package ints
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import (
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"os"
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"sourcegraph.com/sourcegraph/appdash"
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)
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func ReadMemoryStoreFromFile(file string) (*appdash.MemoryStore, error) {
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store := appdash.NewMemoryStore()
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traceFile, err := os.Open(file)
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defer traceFile.Close()
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if err != nil {
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return nil, err
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}
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_, err = store.ReadFrom(traceFile)
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if err != nil {
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return nil, err
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}
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return store, nil
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}
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func WalkTracesWithDescendants(store *appdash.MemoryStore, visit func(t *appdash.Trace) error) error {
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traces, err := store.Traces(appdash.TracesOpts{})
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if err != nil {
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return err
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}
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var recur func(t *appdash.Trace) error
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recur = func(t *appdash.Trace) error {
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err := visit(t)
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if err != nil {
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return err
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}
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for _, s := range t.Sub {
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err = recur(s)
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if err != nil {
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return err
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}
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}
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return nil
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}
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for _, t := range traces {
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err := recur(t)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func FindTrace(store *appdash.MemoryStore, matching func(tr *appdash.Trace) bool) (*appdash.Trace, error) {
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var trace *appdash.Trace
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err := WalkTracesWithDescendants(store, func(tr *appdash.Trace) error {
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if matching(tr) {
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trace = tr
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}
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return nil
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})
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if err != nil {
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return nil, err
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}
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return trace, nil
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}
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