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161 lines
8.9 KiB
Go
161 lines
8.9 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"bytes"
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"encoding/base64"
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"fmt"
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"net/http"
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"strings"
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"testing"
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minio "github.com/minio/minio-go/v7"
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)
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func TestParsePostPolicyForm(t *testing.T) {
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testCases := []struct {
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policy string
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success bool
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}{
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// missing expiration, will fail.
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{
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policy: `{"conditions":[["eq","$bucket","asdf"],["eq","$key","hello.txt"]],"conditions":[["eq","$success_action_status","201"],["eq","$Content-Type","plain/text"],["eq","$success_action_status","201"],["eq","$x-amz-algorithm","AWS4-HMAC-SHA256"],["eq","$x-amz-credential","Q3AM3UQ867SPQQA43P2F/20210315/us-east-1/s3/aws4_request"],["eq","$x-amz-date","20210315T091621Z"]]}`,
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success: false,
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},
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// invalid json.
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{
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policy: `{"conditions":[["eq","$bucket","asdf"],["eq","$key","hello.txt"]],"conditions":[["eq","$success_action_status","201"],["eq","$Content-Type","plain/text"],["eq","$success_action_status","201"],["eq","$x-amz-algorithm","AWS4-HMAC-SHA256"],["eq","$x-amz-credential","Q3AM3UQ867SPQQA43P2F/20210315/us-east-1/s3/aws4_request"],["eq","$x-amz-date","20210315T091621Z"]]`,
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success: false,
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},
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// duplicate 'expiration' reject
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{
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policy: `{"expiration":"2021-03-22T09:16:21.310Z","expiration":"2021-03-22T09:16:21.310Z","conditions":[["eq","$bucket","evil"],["eq","$key","hello.txt"],["eq","$success_action_status","201"],["eq","$Content-Type","plain/text"],["eq","$success_action_status","201"],["eq","$x-amz-algorithm","AWS4-HMAC-SHA256"],["eq","$x-amz-credential","Q3AM3UQ867SPQQA43P2F/20210315/us-east-1/s3/aws4_request"],["eq","$x-amz-date","20210315T091621Z"]]}`,
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},
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// duplicate '$bucket' reject
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{
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policy: `{"expiration":"2021-03-22T09:16:21.310Z","conditions":[["eq","$bucket","good"],["eq","$key","hello.txt"]],"conditions":[["eq","$bucket","evil"],["eq","$key","hello.txt"],["eq","$success_action_status","201"],["eq","$Content-Type","plain/text"],["eq","$success_action_status","201"],["eq","$x-amz-algorithm","AWS4-HMAC-SHA256"],["eq","$x-amz-credential","Q3AM3UQ867SPQQA43P2F/20210315/us-east-1/s3/aws4_request"],["eq","$x-amz-date","20210315T091621Z"]]}`,
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success: false,
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},
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// duplicate conditions, reject
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{
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policy: `{"expiration":"2021-03-22T09:16:21.310Z","conditions":[["eq","$bucket","asdf"],["eq","$key","hello.txt"]],"conditions":[["eq","$success_action_status","201"],["eq","$Content-Type","plain/text"],["eq","$success_action_status","201"],["eq","$x-amz-algorithm","AWS4-HMAC-SHA256"],["eq","$x-amz-credential","Q3AM3UQ867SPQQA43P2F/20210315/us-east-1/s3/aws4_request"],["eq","$x-amz-date","20210315T091621Z"]]}`,
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success: false,
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},
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// no duplicates, shall be parsed properly.
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{
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policy: `{"expiration":"2021-03-27T20:35:28.458Z","conditions":[["eq","$bucket","testbucket"],["eq","$key","wtf.txt"],["eq","$x-amz-date","20210320T203528Z"],["eq","$x-amz-algorithm","AWS4-HMAC-SHA256"],["eq","$x-amz-credential","Q3AM3UQ867SPQQA43P2F/20210320/us-east-1/s3/aws4_request"]]}`,
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success: true,
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},
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}
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for _, testCase := range testCases {
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testCase := testCase
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t.Run("", func(t *testing.T) {
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_, err := parsePostPolicyForm(strings.NewReader(testCase.policy))
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if testCase.success && err != nil {
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t.Errorf("Expected success but failed with %s", err)
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}
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if !testCase.success && err == nil {
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t.Errorf("Expected failed but succeeded")
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}
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})
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}
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}
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// Test Post Policy parsing and checking conditions
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func TestPostPolicyForm(t *testing.T) {
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pp := minio.NewPostPolicy()
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pp.SetBucket("testbucket")
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pp.SetContentType("image/jpeg")
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pp.SetUserMetadata("uuid", "14365123651274")
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pp.SetKeyStartsWith("user/user1/filename")
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pp.SetContentLengthRange(1048579, 10485760)
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pp.SetSuccessStatusAction("201")
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type testCase struct {
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Bucket string
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Key string
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XAmzDate string
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XAmzAlgorithm string
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XAmzCredential string
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XAmzMetaUUID string
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ContentType string
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SuccessActionStatus string
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Policy string
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Expired bool
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expectedErr error
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}
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testCases := []testCase{
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// Everything is fine with this test
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{Bucket: "testbucket", Key: "user/user1/filename/${filename}/myfile.txt", XAmzMetaUUID: "14365123651274", SuccessActionStatus: "201", XAmzCredential: "KVGKMDUQ23TCZXTLTHLP/20160727/us-east-1/s3/aws4_request", XAmzDate: "20160727T000000Z", XAmzAlgorithm: "AWS4-HMAC-SHA256", ContentType: "image/jpeg", expectedErr: nil},
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// Expired policy document
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{Bucket: "testbucket", Key: "user/user1/filename/${filename}/myfile.txt", XAmzMetaUUID: "14365123651274", SuccessActionStatus: "201", XAmzCredential: "KVGKMDUQ23TCZXTLTHLP/20160727/us-east-1/s3/aws4_request", XAmzDate: "20160727T000000Z", XAmzAlgorithm: "AWS4-HMAC-SHA256", ContentType: "image/jpeg", Expired: true, expectedErr: fmt.Errorf("Invalid according to Policy: Policy expired")},
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// Different AMZ date
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{Bucket: "testbucket", Key: "user/user1/filename/${filename}/myfile.txt", XAmzMetaUUID: "14365123651274", XAmzDate: "2017T000000Z", XAmzAlgorithm: "AWS4-HMAC-SHA256", ContentType: "image/jpeg", expectedErr: fmt.Errorf("Invalid according to Policy: Policy Condition failed")},
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// Key which doesn't start with user/user1/filename
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{Bucket: "testbucket", Key: "myfile.txt", XAmzDate: "20160727T000000Z", XAmzMetaUUID: "14365123651274", XAmzAlgorithm: "AWS4-HMAC-SHA256", ContentType: "image/jpeg", expectedErr: fmt.Errorf("Invalid according to Policy: Policy Condition failed")},
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// Incorrect bucket name.
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{Bucket: "incorrect", Key: "user/user1/filename/myfile.txt", XAmzMetaUUID: "14365123651274", XAmzDate: "20160727T000000Z", XAmzAlgorithm: "AWS4-HMAC-SHA256", ContentType: "image/jpeg", expectedErr: fmt.Errorf("Invalid according to Policy: Policy Condition failed")},
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// Incorrect key name
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{Bucket: "testbucket", Key: "incorrect", XAmzDate: "20160727T000000Z", XAmzMetaUUID: "14365123651274", XAmzAlgorithm: "AWS4-HMAC-SHA256", ContentType: "image/jpeg", expectedErr: fmt.Errorf("Invalid according to Policy: Policy Condition failed")},
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// Incorrect date
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{Bucket: "testbucket", Key: "user/user1/filename/${filename}/myfile.txt", XAmzMetaUUID: "14365123651274", XAmzDate: "incorrect", XAmzAlgorithm: "AWS4-HMAC-SHA256", ContentType: "image/jpeg", expectedErr: fmt.Errorf("Invalid according to Policy: Policy Condition failed")},
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// Incorrect ContentType
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{Bucket: "testbucket", Key: "user/user1/filename/${filename}/myfile.txt", XAmzMetaUUID: "14365123651274", XAmzDate: "20160727T000000Z", XAmzAlgorithm: "AWS4-HMAC-SHA256", ContentType: "incorrect", expectedErr: fmt.Errorf("Invalid according to Policy: Policy Condition failed")},
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// Incorrect Metadata
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{Bucket: "testbucket", Key: "user/user1/filename/${filename}/myfile.txt", XAmzMetaUUID: "151274", SuccessActionStatus: "201", XAmzCredential: "KVGKMDUQ23TCZXTLTHLP/20160727/us-east-1/s3/aws4_request", XAmzDate: "20160727T000000Z", XAmzAlgorithm: "AWS4-HMAC-SHA256", ContentType: "image/jpeg", expectedErr: fmt.Errorf("Invalid according to Policy: Policy Condition failed: [eq, $x-amz-meta-uuid, 14365123651274]")},
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}
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// Validate all the test cases.
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for i, tt := range testCases {
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formValues := make(http.Header)
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formValues.Set("Bucket", tt.Bucket)
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formValues.Set("Key", tt.Key)
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formValues.Set("Content-Type", tt.ContentType)
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formValues.Set("X-Amz-Date", tt.XAmzDate)
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formValues.Set("X-Amz-Meta-Uuid", tt.XAmzMetaUUID)
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formValues.Set("X-Amz-Algorithm", tt.XAmzAlgorithm)
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formValues.Set("X-Amz-Credential", tt.XAmzCredential)
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if tt.Expired {
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// Expired already.
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pp.SetExpires(UTCNow().AddDate(0, 0, -10))
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} else {
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// Expires in 10 days.
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pp.SetExpires(UTCNow().AddDate(0, 0, 10))
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}
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formValues.Set("Policy", base64.StdEncoding.EncodeToString([]byte(pp.String())))
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formValues.Set("Success_action_status", tt.SuccessActionStatus)
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policyBytes, err := base64.StdEncoding.DecodeString(base64.StdEncoding.EncodeToString([]byte(pp.String())))
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if err != nil {
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t.Fatal(err)
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}
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postPolicyForm, err := parsePostPolicyForm(bytes.NewReader(policyBytes))
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if err != nil {
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t.Fatal(err)
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}
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err = checkPostPolicy(formValues, postPolicyForm)
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if err != nil && tt.expectedErr != nil && err.Error() != tt.expectedErr.Error() {
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t.Fatalf("Test %d:, Expected %s, got %s", i+1, tt.expectedErr.Error(), err.Error())
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}
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}
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}
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