source-controller/internal/helm/chart/builder_local_test.go

138 lines
3.3 KiB
Go

/*
Copyright 2021 The Flux 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 chart
import (
"os"
"path/filepath"
"testing"
. "github.com/onsi/gomega"
helmchart "helm.sh/helm/v3/pkg/chart"
)
func Test_mergeFileValues(t *testing.T) {
tests := []struct {
name string
files []*helmchart.File
paths []string
want map[string]interface{}
wantErr string
}{
{
name: "merges values from files",
files: []*helmchart.File{
{Name: "a.yaml", Data: []byte("a: b")},
{Name: "b.yaml", Data: []byte("b: c")},
{Name: "c.yaml", Data: []byte("b: d")},
},
paths: []string{"a.yaml", "b.yaml", "c.yaml"},
want: map[string]interface{}{
"a": "b",
"b": "d",
},
},
{
name: "illegal traverse",
paths: []string{"../../../traversing/illegally/a/p/a/b"},
wantErr: "no values file found at path '/traversing/illegally/a/p/a/b'",
},
{
name: "unmarshal error",
files: []*helmchart.File{
{Name: "invalid", Data: []byte("abcd")},
},
paths: []string{"invalid"},
wantErr: "unmarshaling values from 'invalid' failed",
},
{
name: "error on invalid path",
paths: []string{"a.yaml"},
wantErr: "no values file found at path '/a.yaml'",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
g := NewWithT(t)
baseDir, err := os.MkdirTemp("", "merge-file-values-*")
g.Expect(err).ToNot(HaveOccurred())
defer os.RemoveAll(baseDir)
for _, f := range tt.files {
g.Expect(os.WriteFile(filepath.Join(baseDir, f.Name), f.Data, 0644)).To(Succeed())
}
got, err := mergeFileValues(baseDir, tt.paths)
if tt.wantErr != "" {
g.Expect(err).To(HaveOccurred())
g.Expect(err.Error()).To(ContainSubstring(tt.wantErr))
g.Expect(got).To(BeNil())
return
}
g.Expect(err).ToNot(HaveOccurred())
g.Expect(got).To(Equal(tt.want))
})
}
}
func Test_copyFileToPath(t *testing.T) {
tests := []struct {
name string
in string
wantErr string
}{
{
name: "copies input file",
in: "../testdata/local-index.yaml",
},
{
name: "invalid input file",
in: "../testdata/invalid.tgz",
wantErr: "failed to open file to copy from",
},
{
name: "invalid input directory",
in: "../testdata/charts",
wantErr: "failed to read from source during copy",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
g := NewWithT(t)
out := tmpFile("copy-0.1.0", ".tgz")
defer os.RemoveAll(out)
err := copyFileToPath(tt.in, out)
if tt.wantErr != "" {
g.Expect(err).To(HaveOccurred())
g.Expect(err.Error()).To(ContainSubstring(tt.wantErr))
return
}
g.Expect(err).ToNot(HaveOccurred())
g.Expect(out).To(BeARegularFile())
f1, err := os.ReadFile(tt.in)
g.Expect(err).ToNot(HaveOccurred())
f2, err := os.ReadFile(out)
g.Expect(err).ToNot(HaveOccurred())
g.Expect(f2).To(Equal(f1))
})
}
}