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Improve test coverage for updates of packages
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,172 @@ | ||
| // Copyright 2020 Google LLC | ||
| // | ||
| // 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 dataset | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io/ioutil" | ||
| "os" | ||
| "path/filepath" | ||
| ) | ||
|
|
||
| var ( | ||
| deploymentResourceManifest = ` | ||
| apiVersion: apps/v1 | ||
| kind: Deployment | ||
| metadata: | ||
| name: deployment | ||
| labels: | ||
| app: nginx | ||
| spec: | ||
| replicas: 3 | ||
| selector: | ||
| matchLabels: | ||
| app: nginx | ||
| template: | ||
| metadata: | ||
| labels: | ||
| app: nginx | ||
| spec: | ||
| containers: | ||
| - name: nginx | ||
| image: nginx:1.14.2 | ||
| ports: | ||
| - containerPort: 80 | ||
| ` | ||
|
|
||
| configMapResourceManifest = ` | ||
| apiVersion: v1 | ||
| kind: ConfigMap | ||
| metadata: | ||
| name: configmap | ||
| data: | ||
| foo: bar | ||
| ` | ||
| ) | ||
|
|
||
| var ( | ||
| DeploymentResource = "deployment" | ||
| ConfigMapResource = "configmap" | ||
| resources = map[string]resourceInfo{ | ||
| DeploymentResource: { | ||
| filename: "deployment.yaml", | ||
| manifest: deploymentResourceManifest, | ||
| }, | ||
| ConfigMapResource: { | ||
| filename: "configmap.yaml", | ||
| manifest: configMapResourceManifest, | ||
| }, | ||
| } | ||
| ) | ||
|
|
||
| type resourceInfo struct { | ||
| filename string | ||
| manifest string | ||
| } | ||
|
|
||
| // Pkg represents a package that can be created on the file system | ||
| // by using the Build function | ||
| type Pkg struct { | ||
| name string | ||
|
|
||
| kptfile bool | ||
|
|
||
| resources []string | ||
|
|
||
| subPkgs []*Pkg | ||
| } | ||
|
|
||
| // NewPackage creates a new package for testing. | ||
| func NewPackage(name string) *Pkg { | ||
| return &Pkg{ | ||
| name: name, | ||
| } | ||
| } | ||
|
|
||
| // WithKptfile configures the current package to have a Kptfile | ||
| func (p *Pkg) WithKptfile() *Pkg { | ||
| p.kptfile = true | ||
| return p | ||
| } | ||
|
|
||
| // WithResource configures the package to include the provided resource | ||
| func (p *Pkg) WithResource(resource string) *Pkg { | ||
| p.resources = append(p.resources, resource) | ||
| return p | ||
| } | ||
|
|
||
| // WithSubPackages adds the provided packages as subpackages to the current | ||
| // package | ||
| func (p *Pkg) WithSubPackages(ps ...*Pkg) *Pkg { | ||
| p.subPkgs = append(p.subPkgs, ps...) | ||
| return p | ||
| } | ||
|
|
||
| // Build outputs the current data structure as a set of (nested) package | ||
| // in the provided path. | ||
| func (p *Pkg) Build(path string) error { | ||
| _, err := os.Stat(path) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return buildRecursive(path, p) | ||
| } | ||
|
|
||
| // Name returns the name of the current package | ||
| func (p *Pkg) Name() string { | ||
| return p.name | ||
| } | ||
|
|
||
| func buildRecursive(path string, pkg *Pkg) error { | ||
| pkgPath := filepath.Join(path, pkg.name) | ||
| err := os.Mkdir(pkgPath, 0700) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if pkg.kptfile { | ||
| err := ioutil.WriteFile(filepath.Join(pkgPath, "Kptfile"), []byte(` | ||
| apiVersion: krm.dev/v1alpha1 | ||
| kind: Kptfile | ||
| metadata: | ||
| name: kpt | ||
| `), 0600) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| for i := range pkg.resources { | ||
| r := pkg.resources[i] | ||
| info, ok := resources[r] | ||
| if !ok { | ||
| return fmt.Errorf("unknown resource %s", r) | ||
| } | ||
| err = ioutil.WriteFile(filepath.Join(pkgPath, info.filename), []byte(info.manifest), 0600) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| for i := range pkg.subPkgs { | ||
| subPkg := pkg.subPkgs[i] | ||
| err = buildRecursive(pkgPath, subPkg) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } |
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