mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-10-01 01:36:09 -04:00
e0285c122e
* chore: add TODO responsibilities * chore: remove not needed TODOs * chore: remove outdated migrations * chore: remove resolved goleak exception * chore: remove not needed cosign env * config: add link to our Azure snp docs
543 lines
14 KiB
Go
543 lines
14 KiB
Go
/*
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Copyright (c) Edgeless Systems GmbH
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SPDX-License-Identifier: AGPL-3.0-only
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*/
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package file
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import (
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"encoding/json"
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"io/fs"
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"path/filepath"
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"testing"
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"github.com/edgelesssys/constellation/v2/internal/constants"
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"github.com/spf13/afero"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"go.uber.org/goleak"
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"gopkg.in/yaml.v3"
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)
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func TestMain(m *testing.M) {
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goleak.VerifyTestMain(m)
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}
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func TestWrite(t *testing.T) {
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testCases := map[string]struct {
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fs afero.Fs
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setupFs func(af afero.Afero) error
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name string
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content string
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expectedContent string
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options Option
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wantErr bool
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wantAppend bool
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}{
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"successful write": {
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fs: afero.NewMemMapFs(),
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content: "asdf",
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expectedContent: "asdf",
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name: "somedir/somefile",
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},
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"successful overwrite": {
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fs: afero.NewMemMapFs(),
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setupFs: func(af afero.Afero) error { return af.WriteFile("somedir/somefile", []byte{}, 0o644) },
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content: "asdf",
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expectedContent: "asdf",
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name: "somedir/somefile",
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options: OptOverwrite,
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},
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"successful append": {
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fs: afero.NewMemMapFs(),
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setupFs: func(af afero.Afero) error { return af.WriteFile("somedir/somefile", []byte("fdsa"), 0o644) },
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content: "asdf",
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expectedContent: "fdsaasdf",
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name: "somedir/somefile",
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options: OptAppend,
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},
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"read only fs": {
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fs: afero.NewReadOnlyFs(afero.NewMemMapFs()),
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name: "somedir/somefile",
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wantErr: true,
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},
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"file already exists": {
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fs: afero.NewMemMapFs(),
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setupFs: func(af afero.Afero) error { return af.WriteFile("somedir/somefile", []byte{}, 0o644) },
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name: "somedir/somefile",
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wantErr: true,
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},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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assert := assert.New(t)
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require := require.New(t)
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handler := NewHandler(tc.fs)
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if tc.setupFs != nil {
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require.NoError(tc.setupFs(afero.Afero{Fs: tc.fs}))
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}
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if tc.wantErr {
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assert.Error(handler.Write(tc.name, []byte(tc.content), tc.options))
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} else {
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assert.NoError(handler.Write(tc.name, []byte(tc.content), tc.options))
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content, err := handler.Read(tc.name)
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require.NoError(err)
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assert.Equal(tc.expectedContent, string(content))
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}
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})
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}
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}
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func TestReadJSON(t *testing.T) {
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type testContent struct {
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First string
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Second int
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}
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someContent := testContent{
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First: "first",
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Second: 2,
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}
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jsonContent, err := json.MarshalIndent(someContent, "", "\t")
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require.NoError(t, err)
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testCases := map[string]struct {
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fs afero.Fs
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setupFs func(fs *afero.Afero) error
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name string
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wantContent any
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wantErr bool
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}{
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"successful read": {
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fs: afero.NewMemMapFs(),
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name: "test/statefile",
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setupFs: func(fs *afero.Afero) error { return fs.WriteFile("test/statefile", jsonContent, 0o755) },
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wantContent: someContent,
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},
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"file not existent": {
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fs: afero.NewMemMapFs(),
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name: "test/statefile",
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wantErr: true,
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},
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"file not json": {
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fs: afero.NewMemMapFs(),
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name: "test/statefile",
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setupFs: func(fs *afero.Afero) error { return fs.WriteFile("test/statefile", []byte{0x1}, 0o755) },
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wantErr: true,
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},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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assert := assert.New(t)
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require := require.New(t)
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handler := NewHandler(tc.fs)
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if tc.setupFs != nil {
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require.NoError(tc.setupFs(handler.fs))
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}
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resultContent := &testContent{}
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if tc.wantErr {
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assert.Error(handler.ReadJSON(tc.name, resultContent))
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} else {
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assert.NoError(handler.ReadJSON(tc.name, resultContent))
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assert.Equal(tc.wantContent, *resultContent)
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}
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})
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}
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}
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func TestWriteJSON(t *testing.T) {
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type testContent struct {
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First string
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Second int
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}
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someContent := testContent{
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First: "first",
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Second: 2,
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}
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notMarshalableContent := struct{ Foo chan int }{Foo: make(chan int)}
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testCases := map[string]struct {
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fs afero.Fs
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setupFs func(af afero.Afero) error
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name string
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content any
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options Option
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wantErr bool
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}{
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"successful write": {
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fs: afero.NewMemMapFs(),
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name: "test/statefile",
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content: someContent,
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},
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"successful overwrite": {
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fs: afero.NewMemMapFs(),
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setupFs: func(af afero.Afero) error { return af.WriteFile("test/statefile", []byte{}, 0o644) },
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name: "test/statefile",
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content: someContent,
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options: OptOverwrite,
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},
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"read only fs": {
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fs: afero.NewReadOnlyFs(afero.NewMemMapFs()),
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name: "test/statefile",
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content: someContent,
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wantErr: true,
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},
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"file already exists": {
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fs: afero.NewMemMapFs(),
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setupFs: func(af afero.Afero) error { return af.WriteFile("test/statefile", []byte{}, 0o644) },
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name: "test/statefile",
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content: someContent,
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wantErr: true,
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},
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"marshal error": {
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fs: afero.NewMemMapFs(),
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name: "test/statefile",
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content: notMarshalableContent,
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wantErr: true,
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},
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"mkdirAll works": {
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fs: afero.NewMemMapFs(),
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name: "test/statefile",
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content: someContent,
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options: OptMkdirAll,
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},
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// TODO(malt3): add tests for mkdirAll actually creating the necessary folders when https://github.com/spf13/afero/issues/270 is fixed.
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// Currently, MemMapFs will create files in nonexistent directories due to a bug in afero,
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// making it impossible to test the actual behavior of the mkdirAll parameter.
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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assert := assert.New(t)
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require := require.New(t)
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handler := NewHandler(tc.fs)
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if tc.setupFs != nil {
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require.NoError(tc.setupFs(afero.Afero{Fs: tc.fs}))
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}
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if tc.wantErr {
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assert.Error(handler.WriteJSON(tc.name, tc.content, tc.options))
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} else {
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assert.NoError(handler.WriteJSON(tc.name, tc.content, tc.options))
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resultContent := &testContent{}
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assert.NoError(handler.ReadJSON(tc.name, resultContent))
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assert.Equal(tc.content, *resultContent)
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}
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})
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}
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}
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func TestReadYAML(t *testing.T) {
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type testContent struct {
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First string
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Second int
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}
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someContent := testContent{
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First: "first",
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Second: 2,
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}
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yamlContent, err := yaml.Marshal(someContent)
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require.NoError(t, err)
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testCases := map[string]struct {
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fs afero.Fs
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setupFs func(fs *afero.Afero) error
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name string
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wantContent any
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wantErr bool
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}{
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"successful read": {
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fs: afero.NewMemMapFs(),
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name: "test/config.yaml",
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setupFs: func(fs *afero.Afero) error { return fs.WriteFile("test/config.yaml", yamlContent, 0o755) },
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wantContent: someContent,
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},
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"file not existent": {
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fs: afero.NewMemMapFs(),
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name: "test/config.yaml",
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wantErr: true,
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},
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"file not yaml": {
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fs: afero.NewMemMapFs(),
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name: "test/config.yaml",
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setupFs: func(fs *afero.Afero) error { return fs.WriteFile("test/config.yaml", []byte{0x1}, 0o755) },
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wantErr: true,
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},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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assert := assert.New(t)
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require := require.New(t)
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handler := NewHandler(tc.fs)
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if tc.setupFs != nil {
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require.NoError(tc.setupFs(handler.fs))
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}
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resultContent := &testContent{}
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if tc.wantErr {
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assert.Error(handler.ReadYAML(tc.name, resultContent))
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} else {
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assert.NoError(handler.ReadYAML(tc.name, resultContent))
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assert.Equal(tc.wantContent, *resultContent)
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}
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})
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}
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}
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func TestReadYAMLStrictUnknownFieldFails(t *testing.T) {
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assert := assert.New(t)
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type SampleConfig struct {
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Version string `yaml:"version"`
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Value string `yaml:"value"`
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}
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yamlConfig := `
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version: "1.0.0"
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value: "foobar"
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sneakyValue: "superSecret"
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`
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handler := NewHandler(afero.NewMemMapFs())
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assert.NoError(handler.Write(constants.ConfigFilename, []byte(yamlConfig), OptNone))
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var readInConfig SampleConfig
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assert.Error(handler.ReadYAMLStrict(constants.ConfigFilename, &readInConfig))
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}
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func TestWriteYAML(t *testing.T) {
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type testContent struct {
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First string
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Second int
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}
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someContent := testContent{
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First: "first",
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Second: 2,
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}
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notMarshalableContent := struct{ Foo chan int }{Foo: make(chan int)}
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testCases := map[string]struct {
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fs afero.Fs
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setupFs func(af afero.Afero) error
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name string
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content any
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options Option
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wantErr bool
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}{
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"successful write": {
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fs: afero.NewMemMapFs(),
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name: "test/statefile",
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content: someContent,
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},
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"successful overwrite": {
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fs: afero.NewMemMapFs(),
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setupFs: func(af afero.Afero) error { return af.WriteFile("test/statefile", []byte{}, 0o644) },
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name: "test/statefile",
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content: someContent,
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options: OptOverwrite,
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},
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"read only fs": {
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fs: afero.NewReadOnlyFs(afero.NewMemMapFs()),
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name: "test/statefile",
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content: someContent,
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wantErr: true,
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},
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"file already exists": {
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fs: afero.NewMemMapFs(),
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setupFs: func(af afero.Afero) error { return af.WriteFile("test/statefile", []byte{}, 0o644) },
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name: "test/statefile",
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content: someContent,
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wantErr: true,
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},
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"marshal error": {
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fs: afero.NewMemMapFs(),
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name: "test/statefile",
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content: notMarshalableContent,
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wantErr: true,
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},
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"mkdirAll works": {
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fs: afero.NewMemMapFs(),
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name: "test/statefile",
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content: someContent,
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options: OptMkdirAll,
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},
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// TODO(malt3): add tests for mkdirAll actually creating the necessary folders when https://github.com/spf13/afero/issues/270 is fixed.
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// Currently, MemMapFs will create files in nonexistent directories due to a bug in afero,
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// making it impossible to test the actual behavior of the mkdirAll parameter.
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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assert := assert.New(t)
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require := require.New(t)
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handler := NewHandler(tc.fs)
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if tc.setupFs != nil {
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require.NoError(tc.setupFs(afero.Afero{Fs: tc.fs}))
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}
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if tc.wantErr {
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assert.Error(handler.WriteYAML(tc.name, tc.content, tc.options))
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} else {
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assert.NoError(handler.WriteYAML(tc.name, tc.content, tc.options))
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resultContent := &testContent{}
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assert.NoError(handler.ReadYAML(tc.name, resultContent))
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assert.Equal(tc.content, *resultContent)
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}
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})
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}
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}
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func TestRemove(t *testing.T) {
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assert := assert.New(t)
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require := require.New(t)
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fs := afero.NewMemMapFs()
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handler := NewHandler(fs)
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aferoHelper := afero.Afero{Fs: fs}
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require.NoError(aferoHelper.WriteFile("a", []byte{0xa}, 0o644))
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require.NoError(aferoHelper.WriteFile("b", []byte{0xb}, 0o644))
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require.NoError(aferoHelper.WriteFile("c", []byte{0xc}, 0o644))
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assert.NoError(handler.Remove("a"))
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assert.NoError(handler.Remove("b"))
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assert.NoError(handler.Remove("c"))
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_, err := handler.fs.Stat("a")
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assert.ErrorIs(err, afero.ErrFileNotFound)
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_, err = handler.fs.Stat("b")
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assert.ErrorIs(err, afero.ErrFileNotFound)
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_, err = handler.fs.Stat("c")
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assert.ErrorIs(err, afero.ErrFileNotFound)
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assert.Error(handler.Remove("d"))
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}
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func TestCopyFile(t *testing.T) {
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perms := fs.FileMode(0o644)
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setupFs := func(existingFiles ...string) afero.Fs {
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fs := afero.NewMemMapFs()
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aferoHelper := afero.Afero{Fs: fs}
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for _, file := range existingFiles {
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require.NoError(t, aferoHelper.WriteFile(file, []byte{}, perms))
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}
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return fs
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}
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testCases := map[string]struct {
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fs afero.Fs
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copyFiles [][]string
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checkFiles []string
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opts []Option
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wantErr bool
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}{
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"successful copy": {
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fs: setupFs("a"),
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copyFiles: [][]string{{"a", "b"}},
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checkFiles: []string{"b"},
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},
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"copy to existing file overwrite": {
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fs: setupFs("a", "b"),
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copyFiles: [][]string{{"a", "b"}},
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checkFiles: []string{"b"},
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opts: []Option{OptOverwrite},
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},
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"copy to existing file no overwrite": {
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fs: setupFs("a", "b"),
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copyFiles: [][]string{{"a", "b"}},
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checkFiles: []string{"b"},
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wantErr: true,
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},
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"file doesn't exist": {
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fs: setupFs("a"),
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copyFiles: [][]string{{"b", "c"}},
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checkFiles: []string{"a"},
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wantErr: true,
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},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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assert := assert.New(t)
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require := require.New(t)
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handler := NewHandler(tc.fs)
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for _, files := range tc.copyFiles {
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err := handler.CopyFile(files[0], files[1], tc.opts...)
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if tc.wantErr {
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assert.Error(err)
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} else {
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assert.NoError(err)
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}
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}
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for _, file := range tc.checkFiles {
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info, err := handler.fs.Stat(file)
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assert.Equal(perms, info.Mode())
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require.NoError(err)
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}
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})
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}
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}
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func TestCopyDir(t *testing.T) {
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setupHandler := func(existingFiles ...string) Handler {
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fs := afero.NewMemMapFs()
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handler := NewHandler(fs)
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for _, file := range existingFiles {
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err := handler.Write(file, []byte("some content"), OptMkdirAll)
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require.NoError(t, err)
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}
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return handler
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}
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testCases := map[string]struct {
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handler Handler
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copyFiles [][]string
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checkFiles []string
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opts []Option
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}{
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"successful copy": {
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handler: setupHandler(filepath.Join("someDir", "someFile"), filepath.Join("someDir", "someOtherDir", "someOtherFile")),
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copyFiles: [][]string{{"someDir", "copiedDir"}},
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checkFiles: []string{filepath.Join("copiedDir", "someFile"), filepath.Join("copiedDir", "someOtherDir", "someOtherFile")},
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},
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"copy file": {
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handler: setupHandler("someFile"),
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copyFiles: [][]string{{"someFile", "copiedFile"}},
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checkFiles: []string{"copiedFile"},
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},
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"copy to existing dir overwrite": {
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handler: setupHandler(filepath.Join("someDir", "someFile"), filepath.Join("someDir", "someOtherDir", "someOtherFile"), filepath.Join("copiedDir", "someExistingFile")),
|
|
copyFiles: [][]string{{"someDir", "copiedDir"}},
|
|
checkFiles: []string{filepath.Join("copiedDir", "someFile"), filepath.Join("copiedDir", "someOtherDir", "someOtherFile"), filepath.Join("copiedDir", "someExistingFile")},
|
|
opts: []Option{OptOverwrite},
|
|
},
|
|
}
|
|
|
|
for name, tc := range testCases {
|
|
t.Run(name, func(t *testing.T) {
|
|
require := require.New(t)
|
|
|
|
for _, files := range tc.copyFiles {
|
|
err := tc.handler.CopyDir(files[0], files[1], tc.opts...)
|
|
require.NoError(err)
|
|
}
|
|
|
|
for _, file := range tc.checkFiles {
|
|
_, err := tc.handler.fs.Stat(file)
|
|
require.NoError(err)
|
|
}
|
|
})
|
|
}
|
|
}
|