github.com/looshlee/beatles@v0.0.0-20220727174639-742810ab631c/pkg/kafka/policy_test.go (about)

     1  // Copyright 2017 Authors of Cilium
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // +build !privileged_tests
    16  
    17  package kafka
    18  
    19  import (
    20  	"testing"
    21  	"time"
    22  
    23  	"github.com/cilium/cilium/pkg/policy/api"
    24  
    25  	"github.com/optiopay/kafka/proto"
    26  	. "gopkg.in/check.v1"
    27  )
    28  
    29  // Hook up gocheck into the "go test" runner.
    30  func Test(t *testing.T) {
    31  	TestingT(t)
    32  }
    33  
    34  type kafkaTestSuite struct{}
    35  
    36  var _ = Suite(&kafkaTestSuite{})
    37  
    38  var (
    39  	messages = make([]*proto.Message, 100)
    40  )
    41  
    42  func (k *kafkaTestSuite) SetUpTest(c *C) {
    43  	for i := range messages {
    44  		messages[i] = &proto.Message{
    45  			Offset: int64(i),
    46  			Crc:    uint32(i),
    47  			Key:    nil,
    48  			Value:  []byte(`Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec a diam lectus. Sed sit amet ipsum mauris. Maecenas congue ligula ac quam viverra nec consectetur ante hendrerit. Donec et mollis dolor. Praesent et diam eget libero egestas mattis sit amet vitae augue. Nam tincidunt congue enim, ut porta lorem lacinia consectetur.`),
    49  		}
    50  
    51  	}
    52  }
    53  
    54  func (k *kafkaTestSuite) TestProduceRequest(c *C) {
    55  	req := &proto.ProduceReq{
    56  		CorrelationID: 241,
    57  		ClientID:      "test",
    58  		Compression:   proto.CompressionNone,
    59  		RequiredAcks:  proto.RequiredAcksAll,
    60  		Timeout:       time.Second,
    61  		Topics: []proto.ProduceReqTopic{
    62  			{
    63  				Name: "foo",
    64  				Partitions: []proto.ProduceReqPartition{
    65  					{
    66  						ID:       0,
    67  						Messages: messages,
    68  					},
    69  				},
    70  			},
    71  			{
    72  				Name: "bar",
    73  				Partitions: []proto.ProduceReqPartition{
    74  					{
    75  						ID:       0,
    76  						Messages: messages,
    77  					},
    78  				},
    79  			},
    80  		},
    81  	}
    82  
    83  	reqMsg := RequestMessage{
    84  		request: req,
    85  	}
    86  
    87  	// empty rules should match nothing
    88  	c.Assert(reqMsg.MatchesRule([]api.PortRuleKafka{}), Equals, false)
    89  
    90  	// wildcard rule matches everything
    91  	c.Assert(reqMsg.MatchesRule([]api.PortRuleKafka{{}}), Equals, true)
    92  
    93  	c.Assert(reqMsg.MatchesRule([]api.PortRuleKafka{
    94  		{Topic: "foo"},
    95  	}), Equals, false)
    96  	c.Assert(reqMsg.MatchesRule([]api.PortRuleKafka{
    97  		{Topic: "foo"}, {Topic: "bar"},
    98  	}), Equals, true)
    99  	c.Assert(reqMsg.MatchesRule([]api.PortRuleKafka{
   100  		{Topic: "foo"}, {Topic: "baz"},
   101  	}), Equals, false)
   102  	c.Assert(reqMsg.MatchesRule([]api.PortRuleKafka{
   103  		{Topic: "baz"}, {Topic: "foo2"},
   104  	}), Equals, false)
   105  	c.Assert(reqMsg.MatchesRule([]api.PortRuleKafka{
   106  		{Topic: "bar"}, {Topic: "foo"},
   107  	}), Equals, true)
   108  
   109  	c.Assert(reqMsg.MatchesRule([]api.PortRuleKafka{
   110  		{Topic: "bar"}, {Topic: "foo"}, {Topic: "baz"}}), Equals, true)
   111  
   112  }
   113  
   114  func (k *kafkaTestSuite) TestUnknownRequest(c *C) {
   115  	reqMsg := RequestMessage{kind: 18} // ApiVersions request
   116  
   117  	// Empty rule should disallow
   118  	c.Assert(reqMsg.MatchesRule([]api.PortRuleKafka{}), Equals, false)
   119  
   120  	// Whitelisting of unknown message
   121  	rule1 := api.PortRuleKafka{APIKey: "metadata"}
   122  	c.Assert(rule1.Sanitize(), IsNil)
   123  	rule2 := api.PortRuleKafka{APIKey: "apiversions"}
   124  	c.Assert(rule2.Sanitize(), IsNil)
   125  	c.Assert(reqMsg.MatchesRule([]api.PortRuleKafka{rule1, rule2}), Equals, true)
   126  
   127  	reqMsg = RequestMessage{kind: 19}
   128  	c.Assert(reqMsg.MatchesRule([]api.PortRuleKafka{rule1, rule2}), Equals, false)
   129  }