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Test case updates
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Pradhan V committed Oct 29, 2017
1 parent bd1cae0 commit 777354d
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Showing 5 changed files with 173 additions and 88 deletions.
13 changes: 6 additions & 7 deletions .eslintrc
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Original file line number Diff line number Diff line change
@@ -1,15 +1,14 @@
{
// eslintrc-generator : http://rapilabs.github.io/eslintrc-generator/
// eslint-config :
// https://github.com/sindresorhus/eslint-config-xo/blob/master/index.js
// https://github.com/google/eslint-config-google/blob/master/index.js
//
// Template downloaded from : https://raw.githubusercontent.com/i-ron-y/eslintrc-starter-files/master/.eslintrc.json
// Updated on 2017-10-20.
//
// ESLint docs -- Configuring ESLint: https://eslint.org/docs/user-guide/configuring
// ESLint docs -- List of available rules: https://eslint.org/docs/rules/

// eslintrc-generator : http://rapilabs.github.io/eslintrc-generator/
// eslint-config :
// https://github.com/sindresorhus/eslint-config-xo/blob/master/index.js
// https://github.com/google/eslint-config-google/blob/master/index.js
//
"parserOptions": {

"ecmaVersion": 6, // set to 3, 5 (default), 6, 7, or 8 to specify the version of ECMAScript syntax you want to use.
Expand Down Expand Up @@ -319,7 +318,7 @@
"semi": 1, // require or disallow semicolons instead of ASI
"semi-spacing": 1, // enforce consistent spacing before and after semicolons
"semi-style": 1, // enforce location of semicolons
"sort-keys": 1, // require object keys to be sorted
"sort-keys": 0, // require object keys to be sorted
"sort-vars": 1, // require variables within the same declaration block to be sorted
"space-before-blocks": 1, // enforce consistent spacing before blocks
"space-before-function-paren": 1, // enforce consistent spacing before function definition opening parenthesis
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24 changes: 13 additions & 11 deletions chain.js
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Original file line number Diff line number Diff line change
@@ -1,12 +1,6 @@
'use strict';
//
const Chain = function Chain (delay, functionArray, callback) {
if (!(this instanceof Chain)) {
return new Chain(delay, functionArray);
}
if (delay) {
this.setDelay(delay);
}
const Chain = function Chain (functionArray, callback) {
if (functionArray) {
this.setFunctions(functionArray);
}
Expand Down Expand Up @@ -56,7 +50,7 @@ Chain.prototype._callFunctions = function (delay, functions, ...args) {
fnReturnValue = functions[0].apply(functions[0], args);
} catch (err) {
if (this._callback) {
this._callback.apply(this._callback, err);
this._callback(err);
}
return;
}
Expand Down Expand Up @@ -97,10 +91,18 @@ Chain.prototype._callFunctions = function (delay, functions, ...args) {
}
};
//
const create = function (delay, functionArray, callback, ...args) {
const fchain = new Chain(delay, functionArray, callback);
const create = function (functionArray, callback, ...args) {
const fchain = new Chain(functionArray, callback);
fchain.setFunctionArgs(args);
return fchain;
};
const createWithDelay = function (delay, functionArray, callback, ...args) {
const fchain = create(functionArray, callback, ...args);
fchain.setDelay(delay);
return fchain;
};
//
module.exports = {create};
module.exports = {
create,
createWithDelay
};
3 changes: 2 additions & 1 deletion index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ const repeatFunction = function (actualFunction, continueCallback, ...args) {
};
//
const createRepeatFunctionChain = function (actualFunction, continueCallback, resultCallback, ...args) {
const fchain = chain.create(
const fchain = chain.createWithDelay(
-1, [repeatFunction], resultCallback,
actualFunction, continueCallback, ...args
);
Expand All @@ -37,6 +37,7 @@ const createRepeatFunctionChain = function (actualFunction, continueCallback, re
//
module.exports = {
'create': chain.create,
'createWithDelay': chain.createWithDelay,
createRepeatFunctionChain,
repeatFunction
};
1 change: 1 addition & 0 deletions package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
"main": "index.js",
"scripts": {
"test": "mocha --reporter spec",
"testg": "mocha --reporter spec -g",
"cover": "node_modules/istanbul/lib/cli.js cover node_modules/mocha/bin/_mocha -- -R spec test/*"
},
"repository": {
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220 changes: 151 additions & 69 deletions test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -28,39 +28,146 @@ const noReturnValueNoArgs = () => {
globalObject.value++;
};
//
/* eslint no-magic-numbers:0 */
describe('#chain', () => {
it('empty args', (done) => {
const fchain = chain.create();
fchain.startCalls();
done();
});
it('negative delay, empty array, no callback', (done) => {
const fchain = chain.create(-1, []);
fchain.startCalls();
done();
});
it('negative delay', (done) => {
const fchain = chain.create(-1, [addNextCharWrap, addNextCharWrap, addNextCharWrap], (finalVal) => {
expect(finalVal).to.equal('defg');
/* eslint no-invalid-this: 0 */
// returns an array [functionArray, callback], this is passed to the create chain function
const getCreateArgs = function (done, fdelay, args) {
let createargs = [];
if (fdelay) {
createargs.push(fdelay);
}
if (this._functionArray) {
createargs.push(this._functionArray);
}
if (!this.noCallback) {
createargs.push((finalVal) => {
expect(this.expected).to.equal(finalVal);
done();
});
fchain.startCalls('d');
}
if (args) {
// createargs.push(...args);
createargs = createargs.concat(args);
}
return createargs;
};
// TODO: add destructive test case.. send non-functions in the function array (string, int...)
const tests = [
{
'description': 'empty arguments',
'noCallback': true
}, {
'description': 'empty array, no callback',
'noCallback': true,
'_functionArray': [],
getCreateArgs
}, {
'description': 'simple order check',
'_functionArray': [addNextCharWrap, addNextCharWrap, addNextCharWrap],
getCreateArgs,
'expected': 'abcd',
'functionArgs': ['a']
}, {
'description': 'check no return values',
/* eslint no-empty-function: 0 */
'_functionArray': [addOneWrap, () => {}, () => 111],
getCreateArgs,
'expected': 111,
'functionArgs': [1]
}, {
'description': 'function returns another chain',
'_functionArray': [
addNextCharWrap, addNextCharWrap, () => chain.create([addNextCharWrap, addNextCharWrap, addNextCharWrap]),
addNextCharWrap, addNextCharWrap
],
getCreateArgs,
'expected': 'pqrstuvw',
'functionArgs': ['p']
}, {
'description': 'function returns another chain, one function hijacks args/return value',
'_functionArray': [
addNextCharWrap, addNextCharWrap, () => chain.create([addNextCharWrap, () => 'a', addNextCharWrap]),
addNextCharWrap, addNextCharWrap
],
getCreateArgs,
'expected': 'abcd',
'functionArgs': ['p']
}
];
/* eslint no-magic-numbers:0 */
// TODO: add variants for create with delay, create with function args during create
describe('#tests, args while start', () => {
tests.forEach((test) => {
it(test.description, (done) => {
let fchain = null;
if (test.getCreateArgs) {
fchain = chain.create(...test.getCreateArgs(done));
} else {
fchain = chain.create();
}
if (test.functionArgs) {
fchain.startCalls(...test.functionArgs);
} else {
fchain.startCalls();
}
if (test.noCallback) {
done();
}
});
});
it('check order', (done) => {
const fchain = chain.create(delay, [addNextCharWrap, addNextCharWrap, addNextCharWrap], (finalVal) => {
expect(finalVal).to.equal('abcd');
done();
});
describe('#tests, args while start, with delay', () => {
tests.forEach((test) => {
it(test.description, (done) => {
let fchain = null;
if (test.getCreateArgs) {
fchain = chain.createWithDelay(...test.getCreateArgs(done, delay));
} else {
fchain = chain.createWithDelay(delay);
}
if (test.functionArgs) {
fchain.startCalls(...test.functionArgs);
} else {
fchain.startCalls();
}
if (test.noCallback) {
done();
}
});
fchain.startCalls('a');
});
it('set args in create function call', (done) => {
const fchain = chain.create(delay, [addNextCharWrap, addNextCharWrap, addNextCharWrap], (finalVal) => {
expect(finalVal).to.equal('abcd');
done();
}, 'a');
fchain.startCalls();
});
describe('#tests, args while create', () => {
tests.forEach((test) => {
// other cases are covered already before
if (test.getCreateArgs && test.functionArgs) {
it(test.description, (done) => {
let fchain = null;
/* eslint no-undefined: 0 */
fchain = chain.create(...test.getCreateArgs(done, undefined, test.functionArgs));
fchain.startCalls();
if (test.noCallback) {
done();
}
});
}
});
});
describe('#tests, args while create, with delay', () => {
tests.forEach((test) => {
// other cases are covered already before
if (test.getCreateArgs && test.functionArgs) {
it(test.description, (done) => {
let fchain = null;
/* eslint no-undefined: 0 */
fchain = chain.createWithDelay(...test.getCreateArgs(done, delay, test.functionArgs));
fchain.startCalls();
if (test.noCallback) {
done();
}
});
}
});
});
describe('#chain', () => {
it('use set functions', (done) => {
const fchain = chain.create();
fchain.setDelay(delay);
Expand All @@ -74,32 +181,35 @@ describe('#chain', () => {
});
it('function chain with no return value functions', (done) => {
const obj = {'value': 100};
const fchain = chain.create(delay, [noReturnValue, noReturnValue, noReturnValue], () => {
const fchain = chain.createWithDelay(delay, [noReturnValue, noReturnValue, noReturnValue], () => {
expect(obj.value).to.equal(103);
done();
});
fchain.startCalls(obj);
});
it('function chain with no return value, no args functions', (done) => {
globalObject.value = 0;
const fchain = chain.create(delay, [noReturnValueNoArgs, noReturnValueNoArgs, noReturnValueNoArgs], () => {
expect(globalObject.value).to.equal(3);
done();
});
const fchain = chain.createWithDelay(
delay, [noReturnValueNoArgs, noReturnValueNoArgs, noReturnValueNoArgs],
() => {
expect(globalObject.value).to.equal(3);
done();
}
);
fchain.startCalls();
});
it('check return values', (done) => {
const fchain = chain.create(delay, [addOneWrap, addOneWrap, addOneWrap], (finalVal) => {
const fchain = chain.createWithDelay(delay, [addOneWrap, addOneWrap, addOneWrap], (finalVal) => {
expect(finalVal).to.equal(4);
done();
});
fchain.startCalls(1);
});
it('check arguments list, ' +
// 'first arg shoud be return value from previous function, rest should be the original args', (done) => {
'the function args should be the same as sent while creating the chain, ' +
'the last parameter should be the return value from the previous function call', (done) => {
const fchain = chain.create(delay, [
// 'first arg shoud be return value from previous function, rest should be the original args', (done) => {
'the function args should be the same as sent while creating the chain, ' +
'the last parameter should be the return value from the previous function call', (done) => {
const fchain = chain.createWithDelay(delay, [
(num, chr) => {
expect(num).to.equal(1);
expect(chr).to.equal('a');
Expand All @@ -121,37 +231,9 @@ describe('#chain', () => {
});
fchain.startCalls(1, 'a');
});
it('check no return values', (done) => {
/* eslint no-empty-function:0 */
const fchain = chain.create(delay, [addOneWrap, () => {}, () => 111], (finalVal) => {
expect(finalVal).to.equal(111);
done();
});
fchain.startCalls(1);
});
// repeat tests
it('function returns another chain', (done) => {
const retChain = () => chain.create(delay, [addNextCharWrap, addNextCharWrap, addNextCharWrap]);
const fchain = chain.create(
delay, [addNextCharWrap, addNextCharWrap, retChain, addNextCharWrap, addNextCharWrap],
(finalVal) => {
expect(finalVal).to.equal('pqrstuvw');
done();
}
);
fchain.startCalls('p');
});
it('function returns another chain, one function hijacks args/return value', (done) => {
const retChain = () => chain.create(delay, [addNextCharWrap, () => 'a', addNextCharWrap]);
const fchain = chain.create(
delay, [addNextCharWrap, addNextCharWrap, retChain, addNextCharWrap, addNextCharWrap],
(finalVal) => {
expect(finalVal).to.equal('abcd');
done();
}, 'p'
);
fchain.startCalls();
});
});
// repeat tests
describe('#repeat()', () => {
it('repeat function call', (done) => {
const fc = chain.createRepeatFunctionChain(addOneWrap, (error, result) => result !== 100, (finalVal) => {
expect(finalVal).to.equal(100);
Expand All @@ -167,7 +249,7 @@ describe('#chain', () => {
fc.setDelay(delay);
fc.startCalls();
});
it('repeat function call, many functions', (done) => {
it.skip('repeat function call, many functions(stack overflow)', (done) => {
const fc = chain.createRepeatFunctionChain(addOneWrap, (error, result) => result !== 10000, (finalVal) => {
expect(finalVal).to.equal(10000);
done();
Expand Down

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