Adding upstream version 0.28.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

tools/search/sort_test.go

@@ -0,0 +1,78 @@
+package search_test
+
+import (
+	"encoding/json"
+	"fmt"
+	"testing"
+
+	"github.com/pocketbase/pocketbase/tools/search"
+)
+
+func TestSortFieldBuildExpr(t *testing.T) {
+	resolver := search.NewSimpleFieldResolver("test1", "test2", "test3", "test4.sub")
+
+	scenarios := []struct {
+		sortField        search.SortField
+		expectError      bool
+		expectExpression string
+	}{
+		// empty
+		{search.SortField{"", search.SortDesc}, true, ""},
+		// unknown field
+		{search.SortField{"unknown", search.SortAsc}, true, ""},
+		// placeholder field
+		{search.SortField{"'test'", search.SortAsc}, true, ""},
+		// null field
+		{search.SortField{"null", search.SortAsc}, true, ""},
+		// allowed field - asc
+		{search.SortField{"test1", search.SortAsc}, false, "[[test1]] ASC"},
+		// allowed field - desc
+		{search.SortField{"test1", search.SortDesc}, false, "[[test1]] DESC"},
+		// special @random field (ignore direction)
+		{search.SortField{"@random", search.SortDesc}, false, "RANDOM()"},
+		// special _rowid_ field
+		{search.SortField{"@rowid", search.SortDesc}, false, "[[_rowid_]] DESC"},
+	}
+
+	for _, s := range scenarios {
+		t.Run(fmt.Sprintf("%s_%s", s.sortField.Name, s.sortField.Name), func(t *testing.T) {
+			result, err := s.sortField.BuildExpr(resolver)
+
+			hasErr := err != nil
+			if hasErr != s.expectError {
+				t.Fatalf("Expected hasErr %v, got %v (%v)", s.expectError, hasErr, err)
+			}
+
+			if result != s.expectExpression {
+				t.Fatalf("Expected expression %v, got %v", s.expectExpression, result)
+			}
+		})
+	}
+}
+
+func TestParseSortFromString(t *testing.T) {
+	scenarios := []struct {
+		value    string
+		expected string
+	}{
+		{"", `[{"name":"","direction":"ASC"}]`},
+		{"test", `[{"name":"test","direction":"ASC"}]`},
+		{"+test", `[{"name":"test","direction":"ASC"}]`},
+		{"-test", `[{"name":"test","direction":"DESC"}]`},
+		{"test1,-test2,+test3", `[{"name":"test1","direction":"ASC"},{"name":"test2","direction":"DESC"},{"name":"test3","direction":"ASC"}]`},
+		{"@random,-test", `[{"name":"@random","direction":"ASC"},{"name":"test","direction":"DESC"}]`},
+		{"-@rowid,-test", `[{"name":"@rowid","direction":"DESC"},{"name":"test","direction":"DESC"}]`},
+	}
+
+	for _, s := range scenarios {
+		t.Run(s.value, func(t *testing.T) {
+			result := search.ParseSortFromString(s.value)
+			encoded, _ := json.Marshal(result)
+			encodedStr := string(encoded)
+
+			if encodedStr != s.expected {
+				t.Fatalf("Expected expression %s, got %s", s.expected, encodedStr)
+			}
+		})
+	}
+}