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Warn on unknown options #465

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merged 3 commits into from
May 31, 2018
Merged

Warn on unknown options #465

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86892ee
console.warn on unknown options
jlomas-stripe May 30, 2018
9477bcb
Fix eslint stuff, rename function
jlomas-stripe May 31, 2018
7269a3d
Fix more eslint stuff
jlomas-stripe May 31, 2018
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21 changes: 19 additions & 2 deletions lib/utils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -75,8 +75,8 @@ var utils = module.exports = {
// (the first being args and the second options) and with known
// option keys in the first so that we can warn the user about it.
if (optionKeysInArgs.length > 0 && optionKeysInArgs.length !== argKeys.length) {
console.warn( // eslint-disable-line no-console
'Stripe: Options found in arguments (' + optionKeysInArgs.join(', ') + '). Did you mean to pass an options ' +
emitWarning(
'Options found in arguments (' + optionKeysInArgs.join(', ') + '). Did you mean to pass an options ' +
'object? See https://github.com/stripe/stripe-node/wiki/Passing-Options.'
);
}
Expand All @@ -98,6 +98,15 @@ var utils = module.exports = {
opts.auth = args.pop();
} else if (utils.isOptionsHash(arg)) {
var params = args.pop();

var extraKeys = Object.keys(params).filter(function(key) {
return OPTIONS_KEYS.indexOf(key) == -1;
});

if (extraKeys.length) {
emitWarning('Invalid options found (' + extraKeys.join(', ') + '); ignoring.');
}

if (params.api_key) {
opts.auth = params.api_key;
}
Expand Down Expand Up @@ -195,3 +204,11 @@ var utils = module.exports = {
return obj;
},
};

function emitWarning(warning) {
if (typeof process.emitWarning !== 'function') {
return console.warn('Stripe: ' + warning); /* eslint-disable-line no-console */
}

return process.emitWarning(warning, 'Stripe');
}
64 changes: 51 additions & 13 deletions test/utils.spec.js
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Original file line number Diff line number Diff line change
Expand Up @@ -106,26 +106,30 @@ describe('utils', function() {
expect(utils.getDataFromArgs(args)).to.deep.equal({});
expect(args.length).to.equal(2);
});
it('ignores a hash with only options', function() {
it('ignores a hash with only options', function(done) {
var args = [{api_key: 'foo'}];

handleConsoleWarns(function() {
handleWarnings(function() {
expect(utils.getDataFromArgs(args)).to.deep.equal({});
expect(args.length).to.equal(1);

done();
}, function(message) {
throw new Error('Should not have warned, but did: ' + message);
});
});
it('warns if the hash contains both data and options', function() {
it('warns if the hash contains both data and options', function(done) {
var args = [{foo: 'bar', api_key: 'foo', idempotency_key: 'baz'}];

handleConsoleWarns(function() {
handleWarnings(function() {
utils.getDataFromArgs(args);
}, function(message) {
expect(message).to.equal(
'Stripe: Options found in arguments (api_key, idempotency_key).' +
' Did you mean to pass an options object? See https://github.com/stripe/stripe-node/wiki/Passing-Options.'
);

done();
});
});
it('finds the data', function() {
Expand Down Expand Up @@ -212,6 +216,25 @@ describe('utils', function() {
});
expect(args.length).to.equal(0);
});
it('warns if the hash contains something that does not belong', function(done) {
var args = [{foo: 'bar'}, {
api_key: 'sk_test_iiiiiiiiiiiiiiiiiiiiiiii',
idempotency_key: 'foo',
stripe_version: '2010-01-10',
fishsticks: true,
custard: true,
},];

handleWarnings(function() {
utils.getOptionsFromArgs(args);
}, function(message) {
expect(message).to.equal(
'Stripe: Invalid options found (fishsticks, custard); ignoring.'
);

done();
});
});
});

describe('arrayToObject', function() {
Expand Down Expand Up @@ -261,16 +284,31 @@ describe('utils', function() {
});
});

/* eslint-disable no-console */
function handleConsoleWarns(doWithShimmedConsoleWarn, onWarn) {
// Shim `console.warn`
var _warn = console.warn;
function handleWarnings(doWithShimmedConsoleWarn, onWarn) {
if (typeof process.emitWarning !== 'function') {
/* eslint-disable no-console */

// Shim `console.warn`
var _warn = console.warn;
console.warn = onWarn;

console.warn = onWarn;
doWithShimmedConsoleWarn();

doWithShimmedConsoleWarn();
// Un-shim `console.warn`,
console.warn = _warn;

// Un-shim `console.warn`
console.warn = _warn;
/* eslint-enable no-console */
} else {
function onProcessWarn(warning) { /* eslint-disable-line no-inner-declarations */
onWarn(warning.name + ': ' + warning.message);
}

process.on('warning', onProcessWarn);

doWithShimmedConsoleWarn();

process.nextTick(function() {
process.removeListener('warning', onProcessWarn);
})
}
}
/* eslint-enable no-console */