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// Copyright 2015 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package natspec
import (
"testing"
)
func makeInfoDoc(desc string) []byte {
return []byte(`
{
"source": "contract test { }",
"language": "Solidity",
"compilerVersion": "1",
"userDoc": {
"methods": {
"multiply(uint256)": {
"notice": "` + desc + `"
},
"balance(address)": {
"notice": "` + "`(balanceInmGAV / 1000).fixed(0,3)`" + ` GAV is the total funds available to ` + "`who.address()`." + `"
}
},
"invariants": [
{ "notice": "The sum total amount of GAV in the system is 1 million." }
],
"construction": [
{ "notice": "Endows ` + "`message.caller.address()`" + ` with 1m GAV." }
]
},
"abiDefinition": [{
"name": "multiply",
"constant": false,
"type": "function",
"inputs": [{
"name": "a",
"type": "uint256"
}],
"outputs": [{
"name": "d",
"type": "uint256"
}]
}]
}`)
}
var data = "0xc6888fa1000000000000000000000000000000000000000000000000000000000000007a"
var tx = `
{
"params": [{
"to": "0x8521742d3f456bd237e312d6e30724960f72517a",
"data": "0xc6888fa1000000000000000000000000000000000000000000000000000000000000007a"
}],
}
`
func TestNotice(t *testing.T) {
desc := "Will multiply `a` by 7 and return `a * 7`."
expected := "Will multiply 122 by 7 and return 854."
infodoc := makeInfoDoc(desc)
ns, err := NewWithDocs(infodoc, tx, data)
if err != nil {
t.Errorf("New: error: %v", err)
return
}
notice, err := ns.Notice()
if err != nil {
t.Errorf("expected no error, got %v", err)
}
if notice != expected {
t.Errorf("incorrect notice. expected %v, got %v", expected, notice)
}
}
// test missing method
func TestMissingMethod(t *testing.T) {
desc := "Will multiply `a` by 7 and return `a * 7`."
expected := "natspec.js error evaluating expression: Natspec evaluation failed, method does not exist"
infodoc := makeInfoDoc(desc)
ns, err := NewWithDocs(infodoc, tx, data)
if err != nil {
t.Errorf("New: error: %v", err)
}
notice, err := ns.noticeForMethod(tx, "missing_method", "")
if err == nil {
t.Errorf("expected error, got nothing (notice: '%v')", notice)
} else {
if err.Error() != expected {
t.Errorf("expected error '%s' got '%v' (notice: '%v')", expected, err, notice)
}
}
}
// test invalid desc
func TestInvalidDesc(t *testing.T) {
desc := "Will multiply 122 by \"7\" and return 854."
expected := "invalid character '7' after object key:value pair"
infodoc := makeInfoDoc(desc)
_, err := NewWithDocs(infodoc, tx, data)
if err == nil {
t.Errorf("expected error, got nothing", err)
} else {
if err.Error() != expected {
t.Errorf("expected error '%s' got '%v'", expected, err)
}
}
}
// test wrong input params
func TestWrongInputParams(t *testing.T) {
desc := "Will multiply `e` by 7 and return `a * 7`."
expected := "natspec.js error evaluating expression: Natspec evaluation failed, wrong input params"
infodoc := makeInfoDoc(desc)
ns, err := NewWithDocs(infodoc, tx, data)
if err != nil {
t.Errorf("New: error: %v", err)
}
notice, err := ns.Notice()
if err == nil {
t.Errorf("expected error, got nothing (notice: '%v')", notice)
} else {
if err.Error() != expected {
t.Errorf("expected error '%s' got '%v' (notice: '%v')", expected, err, notice)
}
}
}
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