opentofu/command/plugins_test.go
2017-07-11 08:01:02 -07:00

113 lines
2.8 KiB
Go

package command
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"reflect"
"testing"
"github.com/hashicorp/terraform/plugin/discovery"
)
func TestPluginPath(t *testing.T) {
td, err := ioutil.TempDir("", "tf")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(td)
defer testChdir(t, td)()
pluginPath := []string{"a", "b", "c"}
m := Meta{}
if err := m.storePluginPath(pluginPath); err != nil {
t.Fatal(err)
}
restoredPath, err := m.loadPluginPath()
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(pluginPath, restoredPath) {
t.Fatalf("expected plugin path %#v, got %#v", pluginPath, restoredPath)
}
}
// mockProviderInstaller is a discovery.PluginInstaller implementation that
// is a mock for discovery.ProviderInstaller.
type mockProviderInstaller struct {
// A map of provider names to available versions.
// The tests expect the versions to be in order from newest to oldest.
Providers map[string][]string
Dir string
PurgeUnusedCalled bool
}
func (i *mockProviderInstaller) FileName(provider, version string) string {
return fmt.Sprintf("terraform-provider-%s_v%s_x4", provider, version)
}
func (i *mockProviderInstaller) Get(provider string, req discovery.Constraints) (discovery.PluginMeta, error) {
noMeta := discovery.PluginMeta{}
versions := i.Providers[provider]
if len(versions) == 0 {
return noMeta, fmt.Errorf("provider %q not found", provider)
}
err := os.MkdirAll(i.Dir, 0755)
if err != nil {
return noMeta, fmt.Errorf("error creating plugins directory: %s", err)
}
for _, v := range versions {
version, err := discovery.VersionStr(v).Parse()
if err != nil {
panic(err)
}
if req.Allows(version) {
// provider filename
name := i.FileName(provider, v)
path := filepath.Join(i.Dir, name)
f, err := os.Create(path)
if err != nil {
return noMeta, fmt.Errorf("error fetching provider: %s", err)
}
f.Close()
return discovery.PluginMeta{
Name: provider,
Version: discovery.VersionStr(v),
Path: path,
}, nil
}
}
return noMeta, fmt.Errorf("no suitable version for provider %q found with constraints %s", provider, req)
}
func (i *mockProviderInstaller) PurgeUnused(map[string]discovery.PluginMeta) (discovery.PluginMetaSet, error) {
i.PurgeUnusedCalled = true
ret := make(discovery.PluginMetaSet)
ret.Add(discovery.PluginMeta{
Name: "test",
Version: "0.0.0",
Path: "mock-test",
})
return ret, nil
}
type callbackPluginInstaller func(provider string, req discovery.Constraints) (discovery.PluginMeta, error)
func (cb callbackPluginInstaller) Get(provider string, req discovery.Constraints) (discovery.PluginMeta, error) {
return cb(provider, req)
}
func (cb callbackPluginInstaller) PurgeUnused(map[string]discovery.PluginMeta) (discovery.PluginMetaSet, error) {
// does nothing
return make(discovery.PluginMetaSet), nil
}