internal/pkg/casmsg/resource_test.go

// Copyright 2026 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package casmsg

import (
	"testing"

	"github.com/bazelbuild/remote-apis-sdks/go/pkg/digest"

	_ "github.com/bazelbuild/rsclient/internal/pkg/testsetup"
)

// TestResourceInfo_Format verifies that CAS resource names are formatted
// correctly for both simple and upload paths.
func TestResourceInfo_Format(t *testing.T) {
	hash := "8b9e17429e7b6e436933aeb13d4eff0a40842b6164bbf4a9c4239774f029b2fe"
	d, err := digest.New(hash, 123)
	if err != nil {
		t.Fatalf("digest.New failed: %v", err)
	}

	tests := []struct {
		name     string
		info     ResourceInfo
		expected string
	}{
		{
			name: "full upload path",
			info: ResourceInfo{
				Digest:   d,
				Instance: "my-instance",
				UUID:     "my-uuid",
			},
			expected: "my-instance/uploads/my-uuid/blobs/" + hash + "/123",
		},
		{
			name: "blob path with instance",
			info: ResourceInfo{
				Digest:   d,
				Instance: "my-instance",
			},
			expected: "my-instance/blobs/" + hash + "/123",
		},
	}

	for _, tc := range tests {
		t.Run(tc.name, func(t *testing.T) {
			got := tc.info.Format()
			if got != tc.expected {
				t.Errorf("Format() = %q, want %q", got, tc.expected)
			}
		})
	}
}