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package lspext
import (
"encoding/json"
"reflect"
"strings"
"testing"
"github.com/sourcegraph/go-lsp"
)
func TestWalkURIFields(t *testing.T) {
tests := map[string][]lsp.DocumentURI{
`{"textDocument":{"uri":"u1"}}`: []lsp.DocumentURI{"u1"},
`{"uri":"u1"}`: []lsp.DocumentURI{"u1"},
}
for objStr, wantURIs := range tests {
var obj interface{}
if err := json.Unmarshal([]byte(objStr), &obj); err != nil {
t.Error(err)
continue
}
var uris []lsp.DocumentURI
collect := func(uri lsp.DocumentURI) { uris = append(uris, uri) }
update := func(uri lsp.DocumentURI) lsp.DocumentURI { return "XXX" }
WalkURIFields(obj, collect, update)
if !reflect.DeepEqual(uris, wantURIs) {
t.Errorf("%s: got URIs %q, want %q", objStr, uris, wantURIs)
}
wantObj := objStr
for _, uri := range uris {
wantObj = strings.Replace(wantObj, string(uri), "XXX", -1)
}
gotObj, err := json.Marshal(obj)
if err != nil {
t.Error(err)
continue
}
if string(gotObj) != wantObj {
t.Errorf("%s: got obj %q, want %q after updating URI pointers", objStr, gotObj, wantObj)
}
}
}
func TestWalkURIFields_struct(t *testing.T) {
v := lsp.PublishDiagnosticsParams{URI: "u1"}
var uris []lsp.DocumentURI
collect := func(uri lsp.DocumentURI) { uris = append(uris, uri) }
update := func(uri lsp.DocumentURI) lsp.DocumentURI { return "XXX" }
WalkURIFields(&v, collect, update)
if want := []lsp.DocumentURI{"u1"}; !reflect.DeepEqual(uris, want) {
t.Errorf("got %v, want %v", uris, want)
}
if want := "XXX"; string(v.URI) != want {
t.Errorf("got %q, want %q", v.URI, want)
}
}
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