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don't record schemas in map during inference #9

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Merged
merged 1 commit into from
Aug 25, 2025
Merged

don't record schemas in map during inference #9

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1 change: 0 additions & 1 deletion jsonschema/infer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -231,7 +231,6 @@ func forType(t reflect.Type, seen map[reflect.Type]bool, ignore bool, schemas ma
s.Types = []string{"null", s.Type}
s.Type = ""
}
schemas[t] = s
return s, nil
}

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19 changes: 19 additions & 0 deletions jsonschema/infer_test.go
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Expand Up @@ -338,3 +338,22 @@ func TestForWithCycle(t *testing.T) {
func falseSchema() *jsonschema.Schema {
return &jsonschema.Schema{Not: &jsonschema.Schema{}}
}

func TestDupSchema(t *testing.T) {
// Verify that we don't repeat schema contents, even if we clone the actual schemas.
type args struct {
S string `jsonschema:"str"`
A []string `jsonschema:"arr"`
}

s := forType[args](false)
if g, w := s.Properties["S"].Description, "str"; g != w {
t.Errorf("S: got %q, want %q", g, w)
}
if g, w := s.Properties["A"].Description, "arr"; g != w {
t.Errorf("A: got %q, want %q", g, w)
}
if g, w := s.Properties["A"].Items.Description, ""; g != w {
t.Errorf("A.items: got %q, want %q", g, w)
}
}