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https://github.com/priyanshujain/sanderling.git
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pj
5ae825109e
internal/tracecorpus and cmd/internal-tools/exploration-reach declared the same 24-line writeRun, identical apart from whether the seed was a parameter. The package's charter is on it: a helper goes here once it has callers in two packages, and stays in a package's own tests until then.
42 lines
1.3 KiB
Go
42 lines
1.3 KiB
Go
// Package testsupport holds test helpers that more than one package needs.
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// It exists because the suite's helper layer grew by copying: a helper written
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// inside one package's tests is invisible to the next package that needs it, so
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// the next package writes it again. Anything here has at least two callers in
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// different packages; a helper with one belongs in that package's own tests.
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package testsupport
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import (
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"testing"
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"github.com/priyanshujain/sanderling/internal/hierarchy"
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"github.com/priyanshujain/sanderling/internal/trace"
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)
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// WriteRunFromDumps writes a complete run directory: meta.json, then one step
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// per hierarchy dump numbered from 1. It goes through trace.NewWriter rather
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// than composing the files by hand so a fixture cannot claim a trace_version
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// the writer would not have produced.
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func WriteRunFromDumps(t *testing.T, directory string, meta trace.Meta, dumps ...string) string {
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t.Helper()
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writer, err := trace.NewWriter(directory)
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if err != nil {
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t.Fatal(err)
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}
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if err := writer.WriteMeta(meta); err != nil {
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t.Fatal(err)
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}
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for index, dump := range dumps {
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tree, err := hierarchy.Parse(dump)
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if err != nil {
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t.Fatal(err)
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}
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if err := writer.WriteStep(trace.Step{Index: index + 1, Hierarchy: tree}); err != nil {
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t.Fatal(err)
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}
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}
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if err := writer.Close(); err != nil {
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t.Fatal(err)
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}
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return directory
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}
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