Vendor dependencies with dep
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Alexander Neumann
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354
vendor/github.com/minio/minio-go/bucket-cache_test.go
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vendored
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354
vendor/github.com/minio/minio-go/bucket-cache_test.go
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/*
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* Minio Go Library for Amazon S3 Compatible Cloud Storage
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* (C) 2015, 2016, 2017 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package minio
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import (
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"bytes"
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"encoding/hex"
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"encoding/xml"
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"io/ioutil"
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"net/http"
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"net/url"
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"path"
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"reflect"
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"testing"
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"github.com/minio/minio-go/pkg/credentials"
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"github.com/minio/minio-go/pkg/s3signer"
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)
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// Test validates `newBucketLocationCache`.
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func TestNewBucketLocationCache(t *testing.T) {
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expectedBucketLocationcache := &bucketLocationCache{
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items: make(map[string]string),
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}
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actualBucketLocationCache := newBucketLocationCache()
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if !reflect.DeepEqual(actualBucketLocationCache, expectedBucketLocationcache) {
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t.Errorf("Unexpected return value")
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}
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}
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// Tests validate bucketLocationCache operations.
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func TestBucketLocationCacheOps(t *testing.T) {
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testBucketLocationCache := newBucketLocationCache()
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expectedBucketName := "minio-bucket"
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expectedLocation := "us-east-1"
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testBucketLocationCache.Set(expectedBucketName, expectedLocation)
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actualLocation, ok := testBucketLocationCache.Get(expectedBucketName)
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if !ok {
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t.Errorf("Bucket location cache not set")
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}
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if expectedLocation != actualLocation {
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t.Errorf("Bucket location cache not set to expected value")
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}
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testBucketLocationCache.Delete(expectedBucketName)
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_, ok = testBucketLocationCache.Get(expectedBucketName)
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if ok {
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t.Errorf("Bucket location cache not deleted as expected")
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}
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}
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// Tests validate http request generation for 'getBucketLocation'.
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func TestGetBucketLocationRequest(t *testing.T) {
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// Generates expected http request for getBucketLocation.
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// Used for asserting with the actual request generated.
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createExpectedRequest := func(c *Client, bucketName string, req *http.Request) (*http.Request, error) {
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// Set location query.
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urlValues := make(url.Values)
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urlValues.Set("location", "")
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// Set get bucket location always as path style.
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targetURL := c.endpointURL
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targetURL.Path = path.Join(bucketName, "") + "/"
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targetURL.RawQuery = urlValues.Encode()
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// Get a new HTTP request for the method.
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var err error
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req, err = http.NewRequest("GET", targetURL.String(), nil)
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if err != nil {
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return nil, err
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}
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// Set UserAgent for the request.
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c.setUserAgent(req)
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// Get credentials from the configured credentials provider.
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value, err := c.credsProvider.Get()
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if err != nil {
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return nil, err
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}
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var (
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signerType = value.SignerType
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accessKeyID = value.AccessKeyID
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secretAccessKey = value.SecretAccessKey
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sessionToken = value.SessionToken
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)
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// Custom signer set then override the behavior.
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if c.overrideSignerType != credentials.SignatureDefault {
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signerType = c.overrideSignerType
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}
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// If signerType returned by credentials helper is anonymous,
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// then do not sign regardless of signerType override.
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if value.SignerType == credentials.SignatureAnonymous {
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signerType = credentials.SignatureAnonymous
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}
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// Set sha256 sum for signature calculation only
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// with signature version '4'.
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switch {
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case signerType.IsV4():
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var contentSha256 string
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if c.secure {
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contentSha256 = unsignedPayload
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} else {
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contentSha256 = hex.EncodeToString(sum256([]byte{}))
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}
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req.Header.Set("X-Amz-Content-Sha256", contentSha256)
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req = s3signer.SignV4(*req, accessKeyID, secretAccessKey, sessionToken, "us-east-1")
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case signerType.IsV2():
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req = s3signer.SignV2(*req, accessKeyID, secretAccessKey)
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}
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return req, nil
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}
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// Info for 'Client' creation.
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// Will be used as arguments for 'NewClient'.
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type infoForClient struct {
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endPoint string
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accessKey string
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secretKey string
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enableInsecure bool
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}
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// dataset for 'NewClient' call.
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info := []infoForClient{
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// endpoint localhost.
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// both access-key and secret-key are empty.
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{"localhost:9000", "", "", false},
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// both access-key are secret-key exists.
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{"localhost:9000", "my-access-key", "my-secret-key", false},
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// one of acess-key and secret-key are empty.
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{"localhost:9000", "", "my-secret-key", false},
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// endpoint amazon s3.
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{"s3.amazonaws.com", "", "", false},
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{"s3.amazonaws.com", "my-access-key", "my-secret-key", false},
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{"s3.amazonaws.com", "my-acess-key", "", false},
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// endpoint google cloud storage.
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{"storage.googleapis.com", "", "", false},
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{"storage.googleapis.com", "my-access-key", "my-secret-key", false},
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{"storage.googleapis.com", "", "my-secret-key", false},
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// endpoint custom domain running Minio server.
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{"play.minio.io", "", "", false},
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{"play.minio.io", "my-access-key", "my-secret-key", false},
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{"play.minio.io", "my-acess-key", "", false},
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}
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testCases := []struct {
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bucketName string
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// data for new client creation.
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info infoForClient
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// error in the output.
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err error
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// flag indicating whether tests should pass.
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shouldPass bool
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}{
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// Client is constructed using the info struct.
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// case with empty location.
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{"my-bucket", info[0], nil, true},
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// case with location set to standard 'us-east-1'.
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{"my-bucket", info[0], nil, true},
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// case with location set to a value different from 'us-east-1'.
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{"my-bucket", info[0], nil, true},
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{"my-bucket", info[1], nil, true},
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{"my-bucket", info[1], nil, true},
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{"my-bucket", info[1], nil, true},
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{"my-bucket", info[2], nil, true},
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{"my-bucket", info[2], nil, true},
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{"my-bucket", info[2], nil, true},
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{"my-bucket", info[3], nil, true},
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{"my-bucket", info[3], nil, true},
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{"my-bucket", info[3], nil, true},
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{"my-bucket", info[4], nil, true},
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{"my-bucket", info[4], nil, true},
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{"my-bucket", info[4], nil, true},
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{"my-bucket", info[5], nil, true},
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{"my-bucket", info[5], nil, true},
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{"my-bucket", info[5], nil, true},
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{"my-bucket", info[6], nil, true},
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{"my-bucket", info[6], nil, true},
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{"my-bucket", info[6], nil, true},
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{"my-bucket", info[7], nil, true},
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{"my-bucket", info[7], nil, true},
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{"my-bucket", info[7], nil, true},
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{"my-bucket", info[8], nil, true},
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{"my-bucket", info[8], nil, true},
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{"my-bucket", info[8], nil, true},
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{"my-bucket", info[9], nil, true},
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{"my-bucket", info[9], nil, true},
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{"my-bucket", info[9], nil, true},
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{"my-bucket", info[10], nil, true},
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{"my-bucket", info[10], nil, true},
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{"my-bucket", info[10], nil, true},
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{"my-bucket", info[11], nil, true},
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{"my-bucket", info[11], nil, true},
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{"my-bucket", info[11], nil, true},
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}
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for i, testCase := range testCases {
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// cannot create a newclient with empty endPoint value.
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// validates and creates a new client only if the endPoint value is not empty.
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client := &Client{}
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var err error
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if testCase.info.endPoint != "" {
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client, err = New(testCase.info.endPoint, testCase.info.accessKey, testCase.info.secretKey, testCase.info.enableInsecure)
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if err != nil {
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t.Fatalf("Test %d: Failed to create new Client: %s", i+1, err.Error())
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}
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}
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actualReq, err := client.getBucketLocationRequest(testCase.bucketName)
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if err != nil && testCase.shouldPass {
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t.Errorf("Test %d: Expected to pass, but failed with: <ERROR> %s", i+1, err.Error())
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}
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if err == nil && !testCase.shouldPass {
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t.Errorf("Test %d: Expected to fail with <ERROR> \"%s\", but passed instead", i+1, testCase.err.Error())
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}
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// Failed as expected, but does it fail for the expected reason.
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if err != nil && !testCase.shouldPass {
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if err.Error() != testCase.err.Error() {
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t.Errorf("Test %d: Expected to fail with error \"%s\", but instead failed with error \"%s\" instead", i+1, testCase.err.Error(), err.Error())
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}
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}
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// Test passes as expected, but the output values are verified for correctness here.
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if err == nil && testCase.shouldPass {
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expectedReq := &http.Request{}
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expectedReq, err = createExpectedRequest(client, testCase.bucketName, expectedReq)
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if err != nil {
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t.Fatalf("Test %d: Expected request Creation failed", i+1)
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}
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if expectedReq.Method != actualReq.Method {
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t.Errorf("Test %d: The expected Request method doesn't match with the actual one", i+1)
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}
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if expectedReq.URL.String() != actualReq.URL.String() {
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t.Errorf("Test %d: Expected the request URL to be '%s', but instead found '%s'", i+1, expectedReq.URL.String(), actualReq.URL.String())
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}
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if expectedReq.ContentLength != actualReq.ContentLength {
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t.Errorf("Test %d: Expected the request body Content-Length to be '%d', but found '%d' instead", i+1, expectedReq.ContentLength, actualReq.ContentLength)
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}
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if expectedReq.Header.Get("X-Amz-Content-Sha256") != actualReq.Header.Get("X-Amz-Content-Sha256") {
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t.Errorf("Test %d: 'X-Amz-Content-Sha256' header of the expected request doesn't match with that of the actual request", i+1)
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}
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if expectedReq.Header.Get("User-Agent") != actualReq.Header.Get("User-Agent") {
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t.Errorf("Test %d: Expected 'User-Agent' header to be \"%s\",but found \"%s\" instead", i+1, expectedReq.Header.Get("User-Agent"), actualReq.Header.Get("User-Agent"))
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}
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}
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}
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}
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// generates http response with bucket location set in the body.
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func generateLocationResponse(resp *http.Response, bodyContent []byte) (*http.Response, error) {
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resp.StatusCode = http.StatusOK
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resp.Body = ioutil.NopCloser(bytes.NewBuffer(bodyContent))
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return resp, nil
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}
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// Tests the processing of GetPolicy response from server.
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func TestProcessBucketLocationResponse(t *testing.T) {
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// LocationResponse - format for location response.
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type LocationResponse struct {
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XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LocationConstraint" json:"-"`
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Location string `xml:",chardata"`
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}
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APIErrors := []APIError{
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{
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Code: "AccessDenied",
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Description: "Access Denied",
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HTTPStatusCode: http.StatusUnauthorized,
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},
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}
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testCases := []struct {
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bucketName string
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inputLocation string
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isAPIError bool
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apiErr APIError
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// expected results.
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expectedResult string
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err error
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// flag indicating whether tests should pass.
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shouldPass bool
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}{
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{"my-bucket", "", true, APIErrors[0], "us-east-1", nil, true},
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{"my-bucket", "", false, APIError{}, "us-east-1", nil, true},
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{"my-bucket", "EU", false, APIError{}, "eu-west-1", nil, true},
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{"my-bucket", "eu-central-1", false, APIError{}, "eu-central-1", nil, true},
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{"my-bucket", "us-east-1", false, APIError{}, "us-east-1", nil, true},
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}
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for i, testCase := range testCases {
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inputResponse := &http.Response{}
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var err error
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if testCase.isAPIError {
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inputResponse = generateErrorResponse(inputResponse, testCase.apiErr, testCase.bucketName)
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} else {
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inputResponse, err = generateLocationResponse(inputResponse, encodeResponse(LocationResponse{
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Location: testCase.inputLocation,
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}))
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if err != nil {
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t.Fatalf("Test %d: Creation of valid response failed", i+1)
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}
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}
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actualResult, err := processBucketLocationResponse(inputResponse, "my-bucket")
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if err != nil && testCase.shouldPass {
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t.Errorf("Test %d: Expected to pass, but failed with: <ERROR> %s", i+1, err.Error())
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}
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if err == nil && !testCase.shouldPass {
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t.Errorf("Test %d: Expected to fail with <ERROR> \"%s\", but passed instead", i+1, testCase.err.Error())
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}
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// Failed as expected, but does it fail for the expected reason.
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if err != nil && !testCase.shouldPass {
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if err.Error() != testCase.err.Error() {
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t.Errorf("Test %d: Expected to fail with error \"%s\", but instead failed with error \"%s\" instead", i+1, testCase.err.Error(), err.Error())
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}
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}
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if err == nil && testCase.shouldPass {
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if !reflect.DeepEqual(testCase.expectedResult, actualResult) {
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t.Errorf("Test %d: The expected BucketPolicy doesn't match the actual BucketPolicy", i+1)
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}
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}
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}
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}
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