environs/configstorage: new package

environs/configstore/disk_test.go

+// Copyright 2013 Canonical Ltd.
+// Licensed under the AGPLv3, see LICENCE file for details.
+
+package configstore_test
+
+import (
+        "io/ioutil"
+        "os"
+        "path/filepath"
+
+        gc "launchpad.net/gocheck"
+
+        "launchpad.net/juju-core/environs"
+        "launchpad.net/juju-core/environs/configstore"
+        "launchpad.net/juju-core/errors"
+        jc "launchpad.net/juju-core/testing/checkers"
+)
+
+var _ = gc.Suite(&diskStoreSuite{})
+
+type diskStoreSuite struct{}
+
+func (*diskStoreSuite) TestNewDisk(c *gc.C) {
+        dir := c.MkDir()
+        store, err := configstore.NewDisk(filepath.Join(dir, "foo", "bar"))
+        if false {
+                c.Assert(err, jc.Satisfies, os.IsNotExist)
+        }
+        c.Assert(store, gc.IsNil)
+
+        store, err = configstore.NewDisk(filepath.Join(dir, "foo"))
+        c.Assert(err, gc.IsNil)
+        c.Assert(store, gc.NotNil)
+}
+
+var sampleInfo = `
+creds:
+  user: rog
+  password: guessit
+endpoint:
+  apiaddresses:
+  - example.com
+  - kremvax.ru
+  cacert: 'first line
+
+    second line'
+`[1:]
+
+func (*diskStoreSuite) TestRead(c *gc.C) {
+        dir := c.MkDir()
+        err := ioutil.WriteFile(filepath.Join(dir, "someenv.yaml"), []byte(sampleInfo), 0666)
+        c.Assert(err, gc.IsNil)
+        store, err := configstore.NewDisk(dir)
+        c.Assert(err, gc.IsNil)
+        info, err := store.ReadInfo("someenv")
+        c.Assert(err, gc.IsNil)
+        c.Assert(info.APICredentials(), gc.DeepEquals, environs.APICredentials{
+                User:     "rog",
+                Password: "guessit",
+        })
+        c.Assert(info.APIEndpoint(), gc.DeepEquals, environs.APIEndpoint{
+                APIAddresses: []string{"example.com", "kremvax.ru"},
+                CACert:       "first line\nsecond line",
+        })
+}
+
+func (*diskStoreSuite) TestReadNotFound(c *gc.C) {
+        dir := c.MkDir()
+        store, err := configstore.NewDisk(dir)
+        c.Assert(err, gc.IsNil)
+        info, err := store.ReadInfo("someenv")
+        c.Assert(err, jc.Satisfies, errors.IsNotFoundError)
+        c.Assert(info, gc.IsNil)
+}