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e90cfb83ed
Currently, there are some unit tests that are failing on Windows due to various reasons: - Cannot remove a directory if there's a file open in that directory. - Paths may have / or \ on Windows.
323 lines
8.8 KiB
Go
323 lines
8.8 KiB
Go
/*
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Copyright 2024 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"path/filepath"
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"reflect"
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"strings"
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"testing"
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"golang.org/x/tools/go/packages"
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)
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func TestRemoveLastDir(t *testing.T) {
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table := map[string]struct{ newPath, removedDir string }{
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"a/b/c": {"a/c", "b"},
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}
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for slashInput, expect := range table {
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input := filepath.FromSlash(slashInput)
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gotPath, gotRemoved := removeLastDir(input)
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if e, a := filepath.FromSlash(expect.newPath), gotPath; e != a {
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t.Errorf("%v: wanted %v, got %v", input, e, a)
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}
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if e, a := filepath.FromSlash(expect.removedDir), gotRemoved; e != a {
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t.Errorf("%v: wanted %v, got %v", input, e, a)
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}
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}
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}
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func TestTransitiveClosure(t *testing.T) {
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cases := []struct {
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name string
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in map[string][]string
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expected map[string][]string
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}{
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{
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name: "no transition",
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in: map[string][]string{
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"a": {"b"},
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"c": {"d"},
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},
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expected: map[string][]string{
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"a": {"b"},
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"c": {"d"},
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},
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},
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{
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name: "simple",
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in: map[string][]string{
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"a": {"b"},
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"b": {"c"},
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"c": {"d"},
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},
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expected: map[string][]string{
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"a": {"b", "c", "d"},
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"b": {"c", "d"},
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"c": {"d"},
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},
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},
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}
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for _, c := range cases {
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t.Run(c.name, func(t *testing.T) {
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out := transitiveClosure(c.in)
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if !reflect.DeepEqual(c.expected, out) {
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t.Errorf("expected: %#v, got %#v", c.expected, out)
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}
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})
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}
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}
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func TestHasTestFiles(t *testing.T) {
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cases := []struct {
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input []string
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expect bool
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}{{
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input: nil,
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expect: false,
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}, {
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input: []string{},
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expect: false,
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}, {
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input: []string{"foo.go"},
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expect: false,
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}, {
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input: []string{"foo.go", "bar.go"},
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expect: false,
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}, {
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input: []string{"foo_test.go"},
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expect: true,
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}, {
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input: []string{"foo.go", "foo_test.go"},
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expect: true,
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}, {
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input: []string{"foo.go", "foo_test.go", "bar.go", "bar_test.go"},
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expect: true,
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}}
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for _, tc := range cases {
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ret := hasTestFiles(tc.input)
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if ret != tc.expect {
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t.Errorf("expected %v, got %v: %q", tc.expect, ret, tc.input)
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}
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}
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}
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func TestPackageDir(t *testing.T) {
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cases := []struct {
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input *packages.Package
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expect string
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}{{
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input: &packages.Package{
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PkgPath: "example.com/foo/bar/qux",
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GoFiles: []string{"/src/prj/file.go"},
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IgnoredFiles: []string{"/otherdir/file.go"},
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},
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expect: filepath.Clean("/src/prj"),
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}, {
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input: &packages.Package{
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PkgPath: "example.com/foo/bar/qux",
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IgnoredFiles: []string{"/src/prj/file.go"},
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},
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expect: filepath.Clean("/src/prj"),
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}, {
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input: &packages.Package{
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PkgPath: "example.com/foo/bar/qux",
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},
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expect: "",
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}}
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for i, tc := range cases {
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ret := packageDir(tc.input)
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if ret != tc.expect {
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t.Errorf("[%d] expected %v, got %v: %q", i, tc.expect, ret, tc.input)
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}
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}
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}
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func TestHasPathPrefix(t *testing.T) {
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cases := []struct {
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base string
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pfx string
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expect bool
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}{{
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base: "",
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pfx: "",
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expect: true,
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}, {
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base: "/foo/bar",
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pfx: "",
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expect: true,
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}, {
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base: "",
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pfx: "/foo",
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expect: false,
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}, {
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base: "/foo",
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pfx: "/foo",
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expect: true,
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}, {
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base: "/foo/bar",
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pfx: "/foo",
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expect: true,
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}, {
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base: "/foobar/qux",
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pfx: "/foo",
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expect: false,
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}, {
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base: "/foo/bar/bat/qux/zrb",
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pfx: "/foo/bar/bat",
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expect: true,
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}}
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for _, tc := range cases {
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ret := hasPathPrefix(tc.base, tc.pfx)
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if ret != tc.expect {
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t.Errorf("expected %v, got %v: (%q, %q)", tc.expect, ret, tc.base, tc.pfx)
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}
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}
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}
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func checkAllErrorStrings(t *testing.T, errs []error, expect []string) {
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t.Helper()
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if len(errs) != len(expect) {
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t.Fatalf("expected %d errors, got %d: %q", len(expect), len(errs), errs)
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}
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for _, str := range expect {
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found := false
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for _, err := range errs {
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if strings.HasPrefix(err.Error(), str) {
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found = true
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break
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}
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}
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if !found {
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t.Errorf("did not find error %q", str)
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t.Logf("\tseek: %s\n\t in:", str)
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for _, err := range errs {
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t.Logf("\t %s", err.Error())
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}
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}
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}
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}
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func TestSimpleForward(t *testing.T) {
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pkgs, err := loadPkgs("./testdata/simple-fwd/aaa")
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if err != nil {
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t.Fatalf("unexpected failure: %v", err)
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}
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if len(pkgs) != 1 {
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t.Fatalf("expected 1 pkg result, got %d", len(pkgs))
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}
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if pkgs[0].PkgPath != "k8s.io/kubernetes/cmd/import-boss/testdata/simple-fwd/aaa" {
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t.Fatalf("wrong PkgPath: %q", pkgs[0].PkgPath)
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}
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boss := newBoss(pkgs)
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errs := boss.Verify(pkgs[0])
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expect := []string{
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`"k8s.io/kubernetes/cmd/import-boss/testdata/simple-fwd/aaa" -> "k8s.io/kubernetes/cmd/import-boss/testdata/simple-fwd/forbidden" is forbidden`,
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`"k8s.io/kubernetes/cmd/import-boss/testdata/simple-fwd/aaa" -> "k8s.io/kubernetes/cmd/import-boss/testdata/simple-fwd/forbidden/f1" is forbidden`,
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`"k8s.io/kubernetes/cmd/import-boss/testdata/simple-fwd/aaa" -> "k8s.io/kubernetes/cmd/import-boss/testdata/simple-fwd/neither" did not match any rule`,
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`"k8s.io/kubernetes/cmd/import-boss/testdata/simple-fwd/aaa" -> "k8s.io/kubernetes/cmd/import-boss/testdata/simple-fwd/neither/n1" did not match any rule`,
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}
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checkAllErrorStrings(t, errs, expect)
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}
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func TestNestedForward(t *testing.T) {
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pkgs, err := loadPkgs("./testdata/nested-fwd/aaa")
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if err != nil {
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t.Fatalf("unexpected failure: %v", err)
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}
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if len(pkgs) != 1 {
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t.Fatalf("expected 1 pkg result, got %d", len(pkgs))
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}
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if pkgs[0].PkgPath != "k8s.io/kubernetes/cmd/import-boss/testdata/nested-fwd/aaa" {
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t.Fatalf("wrong PkgPath: %q", pkgs[0].PkgPath)
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}
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boss := newBoss(pkgs)
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errs := boss.Verify(pkgs[0])
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expect := []string{
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`"k8s.io/kubernetes/cmd/import-boss/testdata/nested-fwd/aaa" -> "k8s.io/kubernetes/cmd/import-boss/testdata/nested-fwd/forbidden-by-both" is forbidden`,
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`"k8s.io/kubernetes/cmd/import-boss/testdata/nested-fwd/aaa" -> "k8s.io/kubernetes/cmd/import-boss/testdata/nested-fwd/forbidden-by-root" is forbidden`,
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`"k8s.io/kubernetes/cmd/import-boss/testdata/nested-fwd/aaa" -> "k8s.io/kubernetes/cmd/import-boss/testdata/nested-fwd/forbidden-by-sub" is forbidden`,
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`"k8s.io/kubernetes/cmd/import-boss/testdata/nested-fwd/aaa" -> "k8s.io/kubernetes/cmd/import-boss/testdata/nested-fwd/neither/n1" did not match any rule`,
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}
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checkAllErrorStrings(t, errs, expect)
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}
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func TestInverse(t *testing.T) {
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pkgs, err := loadPkgs("./testdata/inverse/...")
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if err != nil {
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t.Fatalf("unexpected failure: %v", err)
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}
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if len(pkgs) != 10 {
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t.Fatalf("expected 10 pkg results, got %d", len(pkgs))
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}
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boss := newBoss(pkgs)
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var errs []error
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for _, pkg := range pkgs {
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errs = append(errs, boss.Verify(pkg)...)
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}
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expect := []string{
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`"k8s.io/kubernetes/cmd/import-boss/testdata/inverse/forbidden" <- "k8s.io/kubernetes/cmd/import-boss/testdata/inverse/aaa" is forbidden`,
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`"k8s.io/kubernetes/cmd/import-boss/testdata/inverse/forbidden/f1" <- "k8s.io/kubernetes/cmd/import-boss/testdata/inverse/aaa" is forbidden`,
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`"k8s.io/kubernetes/cmd/import-boss/testdata/inverse/allowed/a2" <- "k8s.io/kubernetes/cmd/import-boss/testdata/inverse/allowed" did not match any rule`,
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`"k8s.io/kubernetes/cmd/import-boss/testdata/inverse/forbidden/f2" <- "k8s.io/kubernetes/cmd/import-boss/testdata/inverse/allowed" did not match any rule`,
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}
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checkAllErrorStrings(t, errs, expect)
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}
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func TestTransitive(t *testing.T) {
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pkgs, err := loadPkgs("./testdata/transitive/...")
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if err != nil {
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t.Fatalf("unexpected failure: %v", err)
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}
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if len(pkgs) != 10 {
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t.Fatalf("expected 10 pkg results, got %d", len(pkgs))
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}
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boss := newBoss(pkgs)
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var errs []error
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for _, pkg := range pkgs {
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errs = append(errs, boss.Verify(pkg)...)
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}
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expect := []string{
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`"k8s.io/kubernetes/cmd/import-boss/testdata/transitive/forbidden" <- "k8s.io/kubernetes/cmd/import-boss/testdata/transitive/aaa" is forbidden`,
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`"k8s.io/kubernetes/cmd/import-boss/testdata/transitive/forbidden/f1" <- "k8s.io/kubernetes/cmd/import-boss/testdata/transitive/aaa" is forbidden`,
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`"k8s.io/kubernetes/cmd/import-boss/testdata/transitive/forbidden/f2" <-- "k8s.io/kubernetes/cmd/import-boss/testdata/transitive/aaa" is forbidden`,
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`"k8s.io/kubernetes/cmd/import-boss/testdata/transitive/allowed/a2" <- "k8s.io/kubernetes/cmd/import-boss/testdata/transitive/allowed" did not match any rule`,
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`"k8s.io/kubernetes/cmd/import-boss/testdata/transitive/forbidden/f2" <- "k8s.io/kubernetes/cmd/import-boss/testdata/transitive/allowed" did not match any rule`,
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}
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checkAllErrorStrings(t, errs, expect)
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}
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