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Add findIndexFrom, findLastIndexFrom, indexOfFrom, & lastIndexOfFrom in FP.

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This commit is contained in:
Jeroen Engels
2016-05-12 23:52:29 +02:00
committed by John-David Dalton
parent 64e765bf7a
commit 3d078383cb
2 changed files with 75 additions and 2 deletions
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68
test/test-fp.js
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@@ -1097,6 +1097,47 @@
/*--------------------------------------------------------------------------*/
QUnit.module('fp.findIndexFrom methods');
var findIndexTestCases = {
'findIndexFrom': [
{ 'fromIndex': 0, 'expected': 1 },
{ 'fromIndex': 2, 'expected': 3 }
],
'findLastIndexFrom': [
{ 'fromIndex': -1, 'expected': 3 },
{ 'fromIndex': 2, 'expected': 1 }
]
};
_.forOwn(findIndexTestCases, function(testCases, methodName) {
QUnit.test('`fp.' + methodName + '` should have an argument order of `predicate`, `fromIndex` then `array`', function(assert) {
assert.expect(testCases.length);
var array = [100, 0, 100, 0];
_.each(testCases, function(testCase) {
assert.deepEqual(fp[methodName](fp.eq(0))(testCase.fromIndex)(array), testCase.expected);
});
});
QUnit.test('`fp.' + methodName + '` should have its iteratee capped at 1 argument', function(assert) {
assert.expect(2);
var array = [100, 100];
var iteratee = function(value, index) {
assert.equal(value, 100);
assert.equal(index, undefined, 'iteratee is not capped');
return true;
};
fp[methodName](iteratee)(1)(array);
});
});
/*--------------------------------------------------------------------------*/
QUnit.module('fp.flatMapDepth');
(function() {
@@ -1221,6 +1262,33 @@
/*--------------------------------------------------------------------------*/
QUnit.module('fp.indexOfFrom methods');
var indexOfTestCases = {
indexOfFrom: [
{fromIndex: 0, expected: 1},
{fromIndex: 2, expected: 3}
],
lastIndexOfFrom: [
{fromIndex: -1, expected: 3},
{fromIndex: 2, expected: 1}
]
};
_.each(indexOfTestCases, function(testCases, methodName) {
QUnit.test('`fp.' + methodName + '` should have an argument order of `value`, `fromIndex` then `array`', function(assert) {
assert.expect(testCases.length);
var array = [100, 0, 100, 0];
_.each(testCases, function(testCase) {
assert.deepEqual(fp[methodName](0)(testCase.fromIndex)(array), testCase.expected);
});
});
});
/*--------------------------------------------------------------------------*/
QUnit.module('fp.inRange');
(function() {