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40 lines
1.2 KiB
40 lines
1.2 KiB
1 week ago
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package pathrule_test
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import (
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"errors"
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"testing"
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"unicode/utf8"
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"g.activething.com/go/DateKeys/internal/pathrule"
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"g.activething.com/go/DateKeys/internal/testkit"
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)
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// FuzzCheckPath: the rules of one entry and the decoder of the head agree on
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// every path: a head that holds it alone decodes exactly when the path is
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// valid UTF-8 of 1 to 1024 bytes (R1, layer 3) that CheckPath accepts, since
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// one path collides with none and makes at most 31 folders (spec §29.5).
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func FuzzCheckPath(f *testing.F) {
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var paths testkit.PathVectorFile
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if err := testkit.ReadJSON("../../testdata/vectors/paths.json", &paths); err != nil {
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f.Fatal(err)
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}
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for _, v := range paths.Paths {
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f.Add(v.Path)
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}
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f.Fuzz(func(t *testing.T, p string) {
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err := pathrule.CheckPath(p)
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var e *pathrule.Error
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if err != nil && !errors.As(err, &e) {
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t.Fatalf("an error that is not a pathrule.Error: %v", err)
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}
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valid := err == nil && utf8.ValidString(p) && len(p) >= 1 && len(p) <= pathrule.MaxPathLen
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head, merr := testkit.TreeHead([]string{p})
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if merr != nil {
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return
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}
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if got, _ := testkit.HeadResult(head); (got == testkit.ResultOK) != valid {
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t.Fatalf("path %+q: CheckPath %v, the head decodes to %s", p, err, got)
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}
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})
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}
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