9031106300
Implement enough of the JSON Pointer spec to suffice for JSON Schema. For details, see the comment at the top of json_pointer.go. Change-Id: Ic297f1a1a08903b4b3c6666fe57ac1f45c96c0f7 Reviewed-on: https://go-review.googlesource.com/c/tools/+/670535 Reviewed-by: Alan Donovan <adonovan@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
78 lines
1.8 KiB
Go
78 lines
1.8 KiB
Go
// Copyright 2025 The Go MCP SDK Authors. All rights reserved.
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// Use of this source code is governed by an MIT-style
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// license that can be found in the LICENSE file.
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package jsonschema
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import (
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"strings"
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"testing"
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)
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func TestDereferenceJSONPointer(t *testing.T) {
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s := &Schema{
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AllOf: []*Schema{{}, {}},
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Defs: map[string]*Schema{
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"": {Properties: map[string]*Schema{"": {}}},
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"A": {},
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"B": {
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Defs: map[string]*Schema{
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"X": {},
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"Y": {},
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},
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},
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"/~": {},
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"~1": {},
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},
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}
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for _, tt := range []struct {
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ptr string
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want any
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}{
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{"", s},
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{"/$defs/A", s.Defs["A"]},
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{"/$defs/B", s.Defs["B"]},
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{"/$defs/B/$defs/X", s.Defs["B"].Defs["X"]},
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{"/$defs//properties/", s.Defs[""].Properties[""]},
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{"/allOf/1", s.AllOf[1]},
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{"/$defs/~1~0", s.Defs["/~"]},
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{"/$defs/~01", s.Defs["~1"]},
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} {
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got, err := dereferenceJSONPointer(s, tt.ptr)
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if err != nil {
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t.Fatal(err)
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}
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if got != tt.want {
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t.Errorf("%s:\ngot %+v\nwant %+v", tt.ptr, got, tt.want)
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}
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}
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}
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func TestDerefernceJSONPointerErrors(t *testing.T) {
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s := &Schema{
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Type: "t",
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Items: &Schema{},
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Required: []string{"a"},
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}
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for _, tt := range []struct {
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ptr string
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want string // error must contain this string
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}{
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{"x", "does not begin"}, // parse error: no initial '/'
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{"/minItems", "does not refer to a schema"},
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{"/minItems/x", "navigated to nil"},
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{"/required/-", "not supported"},
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{"/required/01", "leading zeroes"},
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{"/required/x", "invalid int"},
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{"/required/1", "out of bounds"},
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{"/properties/x", "no key"},
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} {
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_, err := dereferenceJSONPointer(s, tt.ptr)
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if err == nil {
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t.Errorf("%q: succeeded, want failure", tt.ptr)
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} else if !strings.Contains(err.Error(), tt.want) {
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t.Errorf("%q: error is %q, which does not contain %q", tt.ptr, err, tt.want)
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}
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}
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}
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