98 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			98 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package natspec
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import (
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	"testing"
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)
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func TestNotice(t *testing.T) {
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	tx := `
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	{
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    "jsonrpc": "2.0",
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    "method": "eth_call",
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    "params": [{
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        "to": "0x8521742d3f456bd237e312d6e30724960f72517a",
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        "data": "0xc6888fa1000000000000000000000000000000000000000000000000000000000000007a"
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    }],
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    "id": 6
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  }
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	`
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	abi := `
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	[{
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    "name": "multiply",
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    "constant": false,
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    "type": "function",
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    "inputs": [{
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      "name": "a",
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      "type": "uint256"
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    }],
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    "outputs": [{
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      "name": "d",
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      "type": "uint256"
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    }]
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  }]
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	`
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	desc := "Will multiply `a` by 7 and return `a * 7`."
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	method := "multiply"
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	ns, err := New()
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	if err != nil {
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		t.Errorf("NewNATSpec error %v", err)
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	}
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	notice, err := ns.Notice(tx, abi, method, desc)
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	if err != nil {
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		t.Errorf("expected no error got %v", err)
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	}
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	expected := "Will multiply 122 by 7 and return 854."
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	if notice != expected {
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		t.Errorf("incorrect notice. expected %v, got %v", expected, notice)
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	} else {
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		t.Logf("returned notice \"%v\"", notice)
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	}
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	notice, err = ns.Notice(tx, abi, method, "Will multiply 122 by \"7\" and return 854.")
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	expected = "natspec.js error setting expression: (anonymous): Line 1:41 Unexpected number"
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	if err == nil {
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		t.Errorf("expected error, got nothing (notice: '%v')", err, notice)
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	} else {
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		if err.Error() != expected {
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			t.Errorf("expected error '%s' got '%v' (notice: '%v')", expected, err, notice)
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		}
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	}
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	// https://github.com/ethereum/natspec.js/issues/1
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	badDesc := "Will multiply `e` by 7 and return `a * 7`."
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	notice, err = ns.Notice(tx, abi, method, badDesc)
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	expected = "natspec.js error evaluating expression: Natspec evaluation failed, wrong input params"
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	if err == nil {
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		t.Errorf("expected error, got nothing (notice: '%v')", notice)
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	} else {
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		if err.Error() != expected {
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			t.Errorf("expected error '%s' got '%v' (notice: '%v')", expected, err, notice)
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		}
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	}
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	notice, err = ns.Notice(tx, abi, "missing_method", desc)
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	expected = "natspec.js error evaluating expression: Natspec evaluation failed, method does not exist"
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	if err == nil {
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		t.Errorf("expected error, got nothing (notice: '%v')", notice)
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	} else {
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		if err.Error() != expected {
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			t.Errorf("expected error '%s' got '%v' (notice: '%v')", expected, err, notice)
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		}
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	}
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}
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