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In @0x/dev-utils: Break out RevertError helper code into a separate file from chai_setup.ts.

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In `@0x/dev-utils`: Add chai support for ganache and geth transaction reverts.
This commit is contained in:
Lawrence Forman
2019-04-04 15:15:34 -04:00
committed by Amir Bandeali
parent 703a0fde3c
commit 1aae68c614
4 changed files with 259 additions and 142 deletions
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52
packages/dev-utils/test/chai_test.ts
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@@ -48,6 +48,58 @@ describe('Chai tests', () => {
const error = new Error(message);
expect(error).is.equal(revert);
});
it('should equate a ganache transaction revert error with reason to a StringRevertError with an equal message', () => {
const message = 'foo';
const error: any = new Error(`VM Exception while processing transaction: revert ${message}`);
error.hashes = ['0x1'];
error.results = { '0x1': { error: 'revert', program_counter: 1, return: '0x', reason: message } };
const revert = new StringRevertError(message);
expect(error).is.equal(revert);
});
it('should equate a ganache transaction revert error with return data to a StringRevertError with an equal message', () => {
const error: any = new Error(`VM Exception while processing transaction: revert`);
error.hashes = ['0x1'];
// Encoding for `Error(string message='foo')`
const returnData =
'0x08c379a000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000003666f6f0000000000000000000000000000000000000000000000000000000000';
error.results = {
'0x1': { error: 'revert', program_counter: 1, return: returnData, reason: undefined },
};
const revert = new StringRevertError('foo');
expect(error).is.equal(revert);
});
it('should equate an empty ganache transaction revert error to any RevertError', () => {
const error: any = new Error(`VM Exception while processing transaction: revert`);
error.hashes = ['0x1'];
error.results = { '0x1': { error: 'revert', program_counter: 1, return: '0x', reason: undefined } };
const revert = new StringRevertError('foo');
expect(error).is.equal(revert);
});
it('should not equate a ganache transaction revert error with reason to a StringRevertError with a different message', () => {
const message = 'foo';
const error: any = new Error(`VM Exception while processing transaction: revert ${message}`);
error.hashes = ['0x1'];
error.results = { '0x1': { error: 'revert', program_counter: 1, return: '0x', reason: message } };
const revert = new StringRevertError('boo');
expect(error).is.not.equal(revert);
});
it('should not equate a ganache transaction revert error with return data to a StringRevertError with a different message', () => {
const error: any = new Error(`VM Exception while processing transaction: revert`);
error.hashes = ['0x1'];
// Encoding for `Error(string message='foo')`
const returnData =
'0x08c379a000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000003666f6f0000000000000000000000000000000000000000000000000000000000';
error.results = {
'0x1': { error: 'revert', program_counter: 1, return: returnData, reason: undefined },
};
const revert = new StringRevertError('boo');
expect(error).is.not.equal(revert);
});
it('should equate an opaque geth transaction revert error to any RevertError', () => {
const error = new Error(`always failing transaction`);
const revert = new StringRevertError('foo');
expect(error).is.equal(revert);
});
it('should equate a string to a StringRevertError with the same message', () => {
const message = 'foo';
const revert = new StringRevertError(message);