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common_header_test.go 1.36 KiB
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  • package packet
    
    import (
    	"bytes"
    	"testing"
    
    	"github.com/stretchr/testify/assert"
    )
    
    func TestCommonHeaderSerialize(t *testing.T) {
    	tests := []struct {
    		name     string
    		input    *CommonHeader
    		expected []byte
    	}{
    		{
    			name: "Test #1",
    			input: &CommonHeader{
    				Version:   3,
    				MsgLength: 100,
    				MsgType:   10,
    			},
    			expected: []byte{3, 0, 0, 0, 100, 10},
    		},
    	}
    
    	for _, test := range tests {
    		buf := bytes.NewBuffer(nil)
    		test.input.Serialize(buf)
    		assert.Equalf(t, test.expected, buf.Bytes(), "Test %q", test.name)
    	}
    }
    
    func TestDecodeCommonHeader(t *testing.T) {
    	tests := []struct {
    		name     string
    		input    []byte
    		wantFail bool
    		expected *CommonHeader
    	}{
    		{
    			name: "Full packet",
    			input: []byte{
    				3, 0, 0, 0, 100, 10,
    			},
    			wantFail: false,
    			expected: &CommonHeader{
    				Version:   3,
    				MsgLength: 100,
    				MsgType:   10,
    			},
    		},
    		{
    			name: "Incomplete",
    			input: []byte{
    				3, 0, 0, 0, 100,
    			},
    			wantFail: true,
    		},
    	}
    
    	for _, test := range tests {
    		buf := bytes.NewBuffer(test.input)
    		ch, err := decodeCommonHeader(buf)
    		if err != nil {
    			if test.wantFail {
    				continue
    			}
    
    			t.Errorf("Unexpected failure for test %q: %v", test.name, err)
    			continue
    		}
    
    		if test.wantFail {
    			t.Errorf("Unexpected success for test %q", test.name)
    			continue
    		}
    
    		assert.Equalf(t, test.expected, ch, "Test %q", test.name)
    	}
    }