/
environment_test.go
127 lines (114 loc) · 4.4 KB
/
environment_test.go
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// Copyright 2019 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 environment
import (
"os"
"path/filepath"
"strings"
"testing"
"k8s.io/client-go/util/homedir"
"sigs.k8s.io/krew/internal/testutil"
)
func TestMustGetKrewPaths_resolvesToHomeDir(t *testing.T) {
home := homedir.HomeDir()
expectedBase := filepath.Join(home, ".krew")
p := MustGetKrewPaths()
if got := p.BasePath(); got != expectedBase {
t.Fatalf("MustGetKrewPaths()=%s; expected=%s", got, expectedBase)
}
}
func TestMustGetKrewPaths_envOverride(t *testing.T) {
custom := filepath.FromSlash("/custom/krew/path")
os.Setenv("KREW_ROOT", custom)
defer os.Unsetenv("KREW_ROOT")
p := MustGetKrewPaths()
if expected, got := custom, p.BasePath(); got != expected {
t.Fatalf("MustGetKrewPaths()=%s; expected=%s", got, expected)
}
}
func TestPaths(t *testing.T) {
base := filepath.FromSlash("/foo")
p := newPaths(base)
if got := p.BasePath(); got != base {
t.Fatalf("BasePath()=%s; expected=%s", got, base)
}
if got, expected := p.BinPath(), filepath.FromSlash("/foo/bin"); got != expected {
t.Fatalf("BinPath()=%s; expected=%s", got, expected)
}
if got, expected := p.IndexPath(), filepath.FromSlash("/foo/index"); got != expected {
t.Fatalf("IndexPath()=%s; expected=%s", got, expected)
}
if got, expected := p.IndexPluginsPath(), filepath.FromSlash("/foo/index/plugins"); got != expected {
t.Fatalf("IndexPluginsPath()=%s; expected=%s", got, expected)
}
if got, expected := p.InstallPath(), filepath.FromSlash("/foo/store"); got != expected {
t.Fatalf("InstallPath()=%s; expected=%s", got, expected)
}
if got, expected := p.PluginInstallPath("my-plugin"), filepath.FromSlash("/foo/store/my-plugin"); got != expected {
t.Fatalf("PluginInstallPath()=%s; expected=%s", got, expected)
}
if got, expected := p.PluginVersionInstallPath("my-plugin", "v1"), filepath.FromSlash("/foo/store/my-plugin/v1"); got != expected {
t.Fatalf("PluginVersionInstallPath()=%s; expected=%s", got, expected)
}
if got := p.DownloadPath(); !strings.HasSuffix(got, "krew-downloads") {
t.Fatalf("DownloadPath()=%s; expected suffix 'krew-downloads'", got)
}
if got := p.InstallReceiptsPath(); !strings.HasSuffix(got, filepath.FromSlash("receipts")) {
t.Fatalf("InstallReceiptsPath()=%s; expected suffix 'receipts'", got)
}
if got := p.PluginInstallReceiptPath("my-plugin"); !strings.HasSuffix(got, filepath.FromSlash("receipts/my-plugin.yaml")) {
t.Fatalf("PluginInstallReceiptPath()=%s; expected suffix 'receipts/my-plugin.yaml'", got)
}
}
func TestRealpath(t *testing.T) {
tmpDir, cleanup := testutil.NewTempDir(t)
defer cleanup()
// create regular file
tmpDir.Write("regular-file", nil)
// create absolute symlink
orig := filepath.Clean(os.TempDir())
if err := os.Symlink(orig, filepath.Join(tmpDir.Root(), "symbolic-link-abs")); err != nil {
t.Fatal(err)
}
// create relative symlink
if err := os.Symlink("./another-file", filepath.Join(tmpDir.Root(), "symbolic-link-rel")); err != nil {
t.Fatal(err)
}
tests := []struct {
name string
in string
want string
wantErr bool
}{
{"file not exists", tmpDir.Path("/not/exists"), "", true},
{"directory", tmpDir.Root(), tmpDir.Root(), false},
{"regular file", tmpDir.Path("regular-file"), tmpDir.Path("regular-file"), false},
{"directory unclean", tmpDir.Path("foo/.."), tmpDir.Root(), false},
{"regular file unclean", tmpDir.Path("regular-file/foo/.."), tmpDir.Path("regular-file"), false},
{"relative symbolic link", tmpDir.Path("symbolic-link-rel"), "", true},
{"absolute symbolic link", tmpDir.Path("symbolic-link-abs"), orig, false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := Realpath(tt.in)
if (err != nil) != tt.wantErr {
t.Errorf("Realpath(%s) error = %v, wantErr %v", tt.in, err, tt.wantErr)
return
}
if got != tt.want {
t.Errorf("Realpath(%s) = %v, want %v", tt.in, got, tt.want)
}
})
}
}