150 lines
3.7 KiB
Go
150 lines
3.7 KiB
Go
/*
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Copyright 2023 API Testing Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 runner
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import (
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"bytes"
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"context"
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"encoding/gob"
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"fmt"
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"github.com/linuxsuren/api-testing/pkg/testing"
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"github.com/linuxsuren/api-testing/pkg/util"
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)
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type Mutator interface {
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Render(*testing.TestCase) *testing.TestCase
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Message() string
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}
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type authHeaderMissingMutator struct{}
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func (m *authHeaderMissingMutator) Render(testcase *testing.TestCase) (result *testing.TestCase) {
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result = &testing.TestCase{}
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_ = DeepCopy(testcase, result)
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delete(result.Request.Header, util.Authorization)
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return
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}
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func (m *authHeaderMissingMutator) Message() string {
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return "Missing Authorization in header"
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}
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type authHeaderRandomMutator struct{}
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func (m *authHeaderRandomMutator) Render(testcase *testing.TestCase) (result *testing.TestCase) {
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result = &testing.TestCase{}
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_ = DeepCopy(testcase, result)
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if result.Request.Header == nil {
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result.Request.Header = make(map[string]string)
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}
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result.Request.Header[util.Authorization] = util.String(6)
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return
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}
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func (m *authHeaderRandomMutator) Message() string {
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return "Random Authorization in header"
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}
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type requiredQueryMutator struct {
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field string
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}
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func (m *requiredQueryMutator) Render(testcase *testing.TestCase) (result *testing.TestCase) {
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result = &testing.TestCase{}
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_ = DeepCopy(testcase, result)
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delete(result.Request.Query, m.field)
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return
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}
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func (m *requiredQueryMutator) Message() string {
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return fmt.Sprintf("Missing required query field: %q", m.field)
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}
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type minLengthQueryMutator struct {
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field string
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length int
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}
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func (m *minLengthQueryMutator) Render(testcase *testing.TestCase) (result *testing.TestCase) {
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result = &testing.TestCase{}
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_ = DeepCopy(testcase, result)
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if result.Request.Query != nil && m.length > 1 {
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result.Request.Query[m.field] = util.String(m.length - 1)
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}
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return
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}
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func (m *minLengthQueryMutator) Message() string {
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return fmt.Sprintf("Min length query field: %q", m.field)
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}
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func DeepCopy(src, dist interface{}) (err error) {
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buf := bytes.Buffer{}
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if err = gob.NewEncoder(&buf).Encode(src); err != nil {
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return
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}
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return gob.NewDecoder(&buf).Decode(dist)
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}
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type reverseHTTPRunner struct {
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TestCaseRunner
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}
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func NewReverseHTTPRunner(normal TestCaseRunner) TestCaseRunner {
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return &reverseHTTPRunner{
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TestCaseRunner: normal,
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}
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}
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func (r *reverseHTTPRunner) RunTestCase(testcase *testing.TestCase, dataContext interface{},
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ctx context.Context) (output interface{}, err error) {
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// find all the mutators
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var mutators []Mutator
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if _, ok := testcase.Request.Header[util.Authorization]; ok {
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mutators = append(mutators, &authHeaderMissingMutator{}, &authHeaderRandomMutator{})
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}
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for k := range testcase.Request.Query {
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verifier := testcase.Request.Query.GetVerifier(k)
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if verifier == nil {
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continue
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}
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if verifier.Required {
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mutators = append(mutators, &requiredQueryMutator{field: k})
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}
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if verifier.MinLength > 0 {
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mutators = append(mutators, &minLengthQueryMutator{
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field: k,
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length: verifier.MinLength,
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})
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}
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}
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for _, mutator := range mutators {
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mutationCase := mutator.Render(testcase)
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_, reverseErr := r.TestCaseRunner.RunTestCase(mutationCase, dataContext, ctx)
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if reverseErr == nil {
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err = fmt.Errorf("failed when: %q", mutator.Message())
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return
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}
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}
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return
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}
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