51 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			51 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package feed
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import (
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	"testing"
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	"github.com/ethereum/go-ethereum/common/hexutil"
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)
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func TestTopic(t *testing.T) {
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	related, _ := hexutil.Decode("0xabcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789")
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	topicName := "test-topic"
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	topic, _ := NewTopic(topicName, related)
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	hex := topic.Hex()
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	expectedHex := "0xdfa89c750e3108f9c2aeef0123456789abcdef0123456789abcdef0123456789"
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	if hex != expectedHex {
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		t.Fatalf("Expected %s, got %s", expectedHex, hex)
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	}
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	var topic2 Topic
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	topic2.FromHex(hex)
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	if topic2 != topic {
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		t.Fatal("Expected recovered topic to be equal to original one")
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	}
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	if topic2.Name(related) != topicName {
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		t.Fatal("Retrieved name does not match")
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	}
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	bytes, err := topic2.MarshalJSON()
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	if err != nil {
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		t.Fatal(err)
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	}
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	expectedJSON := `"0xdfa89c750e3108f9c2aeef0123456789abcdef0123456789abcdef0123456789"`
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	equal, err := areEqualJSON(expectedJSON, string(bytes))
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	if err != nil {
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		t.Fatal(err)
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	}
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	if !equal {
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		t.Fatalf("Expected JSON to be %s, got %s", expectedJSON, string(bytes))
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	}
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	err = topic2.UnmarshalJSON(bytes)
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	if err != nil {
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		t.Fatal(err)
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	}
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	if topic2 != topic {
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		t.Fatal("Expected recovered topic to be equal to original one")
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	}
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}
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