vendor/k8s.io/kubernetes/staging/src/k8s.io/cli-runtime/pkg/genericclioptions/printers/sourcechecker_test.go

/*
Copyright 2018 The Kubernetes Authors.

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 printers

import (
	"testing"
)

func TestIllegalPackageSourceChecker(t *testing.T) {
	disallowedPrefixes := []string{
		"foo/bar",
		"k8s.io/foo/bar/vendor/k8s.io/baz/buz",
		"bar/foo/baz",
	}

	testCases := []struct {
		name            string
		pkgPath         string
		shouldBeAllowed bool
	}{
		{
			name:            "package path beginning with forbidden prefix is rejected",
			pkgPath:         "foo/bar/baz/buz",
			shouldBeAllowed: false,
		},
		{
			name:            "package path not fully matching forbidden prefix is allowed",
			pkgPath:         "bar/foo",
			shouldBeAllowed: true,
		},
		{
			name:            "package path containing forbidden prefix (not as prefix) is allowed",
			pkgPath:         "k8s.io/bar/foo/baz/etc",
			shouldBeAllowed: true,
		},
	}

	checker := &illegalPackageSourceChecker{disallowedPrefixes}

	for _, tc := range testCases {
		if checker.IsForbidden(tc.pkgPath) {
			if tc.shouldBeAllowed {
				t.Fatalf("expected package path %q to have been allowed", tc.pkgPath)
			}
			continue
		}

		if !tc.shouldBeAllowed {
			t.Fatalf("expected package path %q to have been rejected", tc.pkgPath)
		}
	}
}