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var chai = require('chai');
var natspec = require('../natspec.js');
var assert = chai.assert;
describe('natspec', function () {
it('should evaluate simple expression', function () {
// given
var expression = "`x = 1` + `y = 2` will be equal `x + y`";
// when
var result = natspec.evaluateExpression(expression);
var result2 = natspec.evaluateExpressionSafe(expression);
// then
assert.equal(result, "1 + 2 will be equal 3");
assert.equal(result2, "1 + 2 will be equal 3");
});
it('should evalute expression using input params', function () {
//given
var expression = "Will multiply `a` by 7 and return `a * 7`.";
var method = 'multiply';
var abi = [{
"name": "multiply",
"constant": false,
"type": "function",
"inputs": [{
"name": "a",
"type": "uint256"
}],
"outputs": [{
"name": "d",
"type": "uint256"
}]
}];
var transaction = {
"jsonrpc": "2.0",
"method": "eth_call",
"params": [{
"to": "0x8521742d3f456bd237e312d6e30724960f72517a",
"data": "0xc6888fa1000000000000000000000000000000000000000000000000000000000000007a"
}],
"id": 6
};
var call = {
method: method,
abi: abi,
transaction: transaction
};
// when
var result = natspec.evaluateExpression(expression, call);
var result2 = natspec.evaluateExpressionSafe(expression, call);
// then
assert.equal(result, "Will multiply 122 by 7 and return 854.");
assert.equal(result2, "Will multiply 122 by 7 and return 854.");
});
it('should evalute expression using input params', function () {
//given
var expression = "Will multiply `a` by 7 and return `a * 7`.";
var method = 'multiply';
var abi = [{
"name": "multiply",
"constant": false,
"type": "function",
"inputs": [{
"name": "b",
"type": "uint256"
}],
"outputs": [{
"name": "d",
"type": "uint256"
}]
}];
var transaction = {
"jsonrpc": "2.0",
"method": "eth_call",
"params": [{
"to": "0x8521742d3f456bd237e312d6e30724960f72517a",
"data": "0xc6888fa1000000000000000000000000000000000000000000000000000000000000007a"
}],
"id": 6
};
var call = {
method: method,
abi: abi,
transaction: transaction
};
// when
var exceptionThrow = function () { natspec.evaluateExpression(expression, call);}
var result = natspec.evaluateExpressionSafe(expression, call);
// then
assert.equal(result, "Natspec evaluation failed, wrong input params");
assert.throws(exceptionThrow, "Natspec evaluation failed, wrong input params");
});
it('should evalute expression using input params', function () {
//given
var expression = "Will multiply `a` by 7 and return `a * 7`.";
var method = 'multiply2';
var abi = [{
"name": "multiply",
"constant": false,
"type": "function",
"inputs": [{
"name": "a",
"type": "uint256"
}],
"outputs": [{
"name": "d",
"type": "uint256"
}]
}];
var transaction = {
"jsonrpc": "2.0",
"method": "eth_call",
"params": [{
"to": "0x8521742d3f456bd237e312d6e30724960f72517a",
"data": "0xc6888fa1000000000000000000000000000000000000000000000000000000000000007a"
}],
"id": 6
};
var call = {
method: method,
abi: abi,
transaction: transaction
};
// when
var exceptionThrow = function () { natspec.evaluateExpression(expression, call);}
var result = natspec.evaluateExpressionSafe(expression, call);
// then
assert.equal(result, "Natspec evaluation failed, method does not exist");
assert.throws(exceptionThrow, "Natspec evaluation failed, method does not exist");
});
});
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