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internal/mcp: remove omitzero

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To be compatible with Go 1.23, we cannot use the
encoding/json "omitzero" option. Replace with a
custom MarshalJSON method.

Change-Id: Ied615ea04fb20e2459f9ed20ef03c81edbc74961
Reviewed-on: https://go-review.googlesource.com/c/tools/+/672417
Reviewed-by: Alan Donovan <adonovan@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
Jonathan Amsterdam 2025-05-13 18:06:01 -04:00
commit aedbba98ee
1 changed files with 73 additions and 3 deletions
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43
mcp/content_test.go
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@ -57,3 +57,46 @@ func TestContent(t *testing.T) {
}
}
}
func TestResourceContents(t *testing.T) {
for _, tt := range []struct {
rc mcp.ResourceContents
want string // marshaled JSON
}{
{
mcp.ResourceContents{URI: "u", Text: "t"},
`{"uri":"u","text":"t"}`,
},
{
mcp.ResourceContents{URI: "u", MIMEType: "m", Text: "t"},
`{"uri":"u","mimeType":"m","text":"t"}`,
},
{
mcp.ResourceContents{URI: "u", Text: "", Blob: nil},
`{"uri":"u","text":""}`,
},
{
mcp.ResourceContents{URI: "u", Blob: []byte{}},
`{"uri":"u","blob":""}`,
},
{
mcp.ResourceContents{URI: "u", Blob: []byte{1}},
`{"uri":"u","blob":"AQ=="}`,
},
} {
data, err := json.Marshal(tt.rc)
if err != nil {
t.Fatal(err)
}
if got := string(data); got != tt.want {
t.Errorf("%#v:\ngot %s\nwant %s", tt.rc, got, tt.want)
}
var urc mcp.ResourceContents
if err := json.Unmarshal(data, &urc); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(tt.rc, urc); diff != "" {
t.Errorf("mismatch (-want, +got):\n%s", diff)
}
}
}