imapclient: add basic SEARCH test

imapclient/search_test.go

@@ -1,11 +1,38 @@
 package imapclient_test
 
 import (
+	"reflect"
 	"testing"
 
 	"github.com/emersion/go-imap/v2"
 )
 
+func TestSearch(t *testing.T) {
+	client, server := newClientServerPair(t, imap.ConnStateSelected)
+	defer client.Close()
+	defer server.Close()
+
+	criteria := imap.SearchCriteria{
+		Header: []imap.SearchCriteriaHeaderField{{
+			Key:   "Message-Id",
+			Value: "<[email protected]>",
+		}},
+	}
+	data, err := client.Search(&criteria, nil).Wait()
+	if err != nil {
+		t.Fatalf("Search().Wait() = %v", err)
+	}
+	seqSet, ok := data.All.(imap.SeqSet)
+	if !ok {
+		t.Fatalf("SearchData.All = %T, want SeqSet", data.All)
+	}
+	nums, _ := seqSet.Nums()
+	want := []uint32{1}
+	if !reflect.DeepEqual(nums, want) {
+		t.Errorf("SearchData.All.Nums() = %v, want %v", nums, want)
+	}
+}
+
 func TestESearch(t *testing.T) {
 	client, server := newClientServerPair(t, imap.ConnStateSelected)
 	defer client.Close()