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263 lines
9.7 KiB
263 lines
9.7 KiB
var assert = require('chai').assert;
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var gutil = require('app/common/gutil');
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var _ = require('underscore');
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describe('gutil', function() {
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describe("mapToObject", function() {
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it("should produce an object with all keys", function() {
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assert.deepEqual(gutil.mapToObject(["foo", "bar", "baz"], function(value, i) {
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return [value.toUpperCase(), i];
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}), {
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"foo": ["FOO", 0],
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"bar": ["BAR", 1],
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"baz": ["BAZ", 2]
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});
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assert.deepEqual(gutil.mapToObject(["foo", "bar", "baz"], function() {}), {
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"foo": undefined,
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"bar": undefined,
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"baz": undefined,
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});
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});
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it("should work on an empty array", function() {
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var countCalls = 0;
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assert.deepEqual(gutil.mapToObject([], function() { countCalls++; }), {});
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assert.equal(countCalls, 0);
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});
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it("should override values for duplicate keys", function() {
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assert.deepEqual(gutil.mapToObject(["foo", "bar", "foo"], function(val, i) { return i; }),
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{ "foo": 2, "bar": 1 });
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});
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});
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describe('multiCompareFunc', function() {
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var firstName = {
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0: 'John',
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1: 'John',
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2: 'John',
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3: 'John',
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4: 'Johnson',
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5: 'Johnson',
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};
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var lastName = {
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0: 'Smith',
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1: 'Smith',
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2: 'Smith',
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3: 'Smithy',
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4: 'Smithy',
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5: 'Smith',
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};
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var age = {
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0: 20,
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1: 30,
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2: 21,
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3: 31,
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4: 40,
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5: 50,
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};
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it('should do single comparisons', function() {
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var sort1 = [_.propertyOf(firstName)];
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var compareA = gutil.multiCompareFunc(sort1, [gutil.nativeCompare], [1]);
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var compareD = gutil.multiCompareFunc(sort1, [gutil.nativeCompare], [-1]);
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assert.equal(compareA(0, 1), 0); // John == John
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assert.equal(compareD(0, 1), 0);
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assert.isBelow(compareA(0, 4), 0); // John < Johnson if ascending
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assert.isAbove(compareA(4, 0), 0);
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assert.isAbove(compareD(0, 4), 0); // John > Johnson if descending
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assert.isBelow(compareD(4, 0), 0);
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});
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it('should do multiple comparisons', function() {
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var sort2 = [_.propertyOf(firstName), _.propertyOf(lastName)];
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var sort3 = [_.propertyOf(firstName), _.propertyOf(lastName), _.propertyOf(age)];
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var compare2 = gutil.multiCompareFunc(sort2, [gutil.nativeCompare, gutil.nativeCompare], [1, 1]);
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var compare3 = gutil.multiCompareFunc(sort3,
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[gutil.nativeCompare, gutil.nativeCompare, gutil.nativeCompare], [1, 1, -1]);
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assert.equal(compare2(0, 1), 0); // John Smith, 20 = John Smith, 30
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assert.equal(compare2(1, 2), 0); // John Smith, 30 = John Smith, 21
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assert.isBelow(compare2(0, 3), 0); // John Smith < John Smithy
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assert.isBelow(compare2(0, 4), 0); // John Smith < Johnson Smithy
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assert.isBelow(compare2(0, 5), 0); // John Smith < Johnson Smith
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assert.isAbove(compare3(0, 1), 0); // John Smith, 20 > John Smith, 30 (age descending)
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assert.isBelow(compare3(1, 2), 0); // John Smith, 30 < John Smith, 21
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assert.isBelow(compare3(0, 3), 0); // John Smith, 20 < John Smithy, 31
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assert.isBelow(compare3(0, 4), 0); // John Smith, 20 < Johnson Smithy, 40
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assert.isBelow(compare3(3, 4), 0); // John Smithy, 20 < Johnson Smithy, 40
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assert.isAbove(compare3(4, 5), 0); // Johnson Smithy > Johnson Smith
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});
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});
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describe("deepExtend", function() {
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var sample = {
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a: 1,
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b: "hello",
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c: [1, 2, 3],
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d: { e: 1, f: 2 }
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};
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it("should copy recursively", function() {
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assert.deepEqual(gutil.deepExtend({}, {}), {});
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assert.deepEqual(gutil.deepExtend({}, sample), sample);
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assert.deepEqual(gutil.deepExtend({}, sample, {}), sample);
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assert.deepEqual(gutil.deepExtend({}, sample, sample), sample);
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assert.deepEqual(gutil.deepExtend({}, sample, {a: 2}).a, 2);
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assert.deepEqual(gutil.deepExtend({}, sample, {d: {g: 3}}).d, {e:1, f:2, g:3});
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assert.deepEqual(gutil.deepExtend({c: [4, 5, 6, 7], d: {g: 3}}, sample).d, {e:1, f:2, g:3});
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assert.deepEqual(gutil.deepExtend({c: [4, 5, 6, 7], d: {g: 3}}, sample).c, [1, 2, 3, 7]);
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});
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});
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describe("maxsplit", function() {
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it("should respect maxNumSplits parameter", function() {
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assert.deepEqual(gutil.maxsplit("foo bar baz", " ", 0), ["foo bar baz"]);
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assert.deepEqual(gutil.maxsplit("foo bar baz", " ", 1), ["foo", "bar baz"]);
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assert.deepEqual(gutil.maxsplit("foo bar baz", " ", 2), ["foo", "bar", "baz"]);
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assert.deepEqual(gutil.maxsplit("foo bar baz", " ", 3), ["foo", "bar", "baz"]);
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assert.deepEqual(gutil.maxsplit("foo<x>bar<x>baz", "<x>", 1), ["foo", "bar<x>baz"]);
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});
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});
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describe("arrayInsertBefore", function() {
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it("should insert before the given nextValue", function() {
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var array = ["foo", "bar", "baz"];
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gutil.arrayInsertBefore(array, "asdf", "foo");
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assert.deepEqual(array, ["asdf", "foo", "bar", "baz"]);
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gutil.arrayInsertBefore(array, "hello", "baz");
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assert.deepEqual(array, ["asdf", "foo", "bar", "hello", "baz"]);
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gutil.arrayInsertBefore(array, "zoo", "unknown");
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assert.deepEqual(array, ["asdf", "foo", "bar", "hello", "baz", "zoo"]);
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});
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});
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describe("popFromMap", function() {
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it("should return the value for the popped key", function() {
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var map = new Map([["foo", 1], ["bar", 2], ["baz", 3]]);
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assert.equal(gutil.popFromMap(map, "bar"), 2);
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assert.deepEqual(Array.from(map), [["foo", 1], ["baz", 3]]);
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assert.strictEqual(gutil.popFromMap(map, "unknown"), undefined);
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assert.deepEqual(Array.from(map), [["foo", 1], ["baz", 3]]);
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});
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});
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describe("isSubset", function() {
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it("should determine the subset relationship for Sets", function() {
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let sEmpty = new Set(),
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sFoo = new Set([1]),
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sBar = new Set([2, 3]),
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sBaz = new Set([1, 2, 3]);
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assert.isTrue(gutil.isSubset(sEmpty, sFoo));
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assert.isFalse(gutil.isSubset(sFoo, sEmpty));
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assert.isTrue(gutil.isSubset(sFoo, sBaz));
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assert.isFalse(gutil.isSubset(sFoo, sBar));
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assert.isTrue(gutil.isSubset(sBar, sBaz));
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assert.isTrue(gutil.isSubset(sBar, sBar));
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assert.isTrue(gutil.isSubset(sBaz, sBaz));
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assert.isFalse(gutil.isSubset(sBaz, sBar));
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});
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});
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describe("growMatrix", function() {
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it("should grow the matrix to the desired size", function() {
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let matrix = [["a", 1], ["b", 2], ["c", 3]];
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assert.deepEqual(gutil.growMatrix(matrix, 4, 4),
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[["a", 1, "a", 1],
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["b", 2, "b", 2],
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["c", 3, "c", 3],
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["a", 1, "a", 1]]);
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assert.deepEqual(gutil.growMatrix(matrix, 3, 4),
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[["a", 1, "a", 1],
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["b", 2, "b", 2],
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["c", 3, "c", 3]]);
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assert.deepEqual(gutil.growMatrix(matrix, 6, 2),
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[["a", 1],
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["b", 2],
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["c", 3],
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["a", 1],
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["b", 2],
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["c", 3]]);
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});
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});
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describe("sortedScan", function() {
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it("should callback on the correct items for simple arrays", function() {
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const a = [1, 2, 4, 5, 7, 8, 9, 10, 11, 15, 17];
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const b = [2, 3, 4, 5, 9, 11, 19];
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// Run the scan function, allowing it to populate callArgs.
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let callArgs = [];
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gutil.sortedScan(a, b, (ai, bi) => { callArgs.push([ai, bi]); });
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assert.deepEqual(callArgs,
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[[1, null], [2, 2], [null, 3], [4, 4],
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[5, 5], [7, null], [8, null], [9, 9],
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[10, null], [11, 11], [15, null], [17, null],
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[null, 19]]);
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});
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it("should callback on the correct items for object arrays", function() {
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const a = [{ id: 1, fruit: 'apple' },
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{ id: 2, fruit: 'banana' },
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{ id: 4, fruit: 'orange' },
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{ id: 5, fruit: 'peach' },
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{ id: 6, fruit: 'plum' }];
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const b = [{ id: 2, fruit: 'apple' },
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{ id: 3, fruit: 'avocado' },
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{ id: 4, fruit: 'peach' },
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{ id: 6, fruit: 'pear' },
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{ id: 9, fruit: 'plum' },
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{ id: 10, fruit: 'raspberry' }];
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// Run the scan function.
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let fruitArgs = [];
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gutil.sortedScan(a, b, (ai, bi) => {
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fruitArgs.push([ai ? ai.fruit : '', bi ? bi.fruit : '']);
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}, item => item.id);
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assert.deepEqual(fruitArgs,
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[['apple', ''], ['banana', 'apple'], ['', 'avocado'],
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['orange', 'peach'], ['peach', ''], ['plum', 'pear'],
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['', 'plum'], ['', 'raspberry']]);
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// Run the scan function again, using fruit as the key.
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let idArgs = [];
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gutil.sortedScan(a, b, (ai, bi) => {
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idArgs.push([ai ? ai.id : 0, bi ? bi.id : 0]);
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}, item => item.fruit);
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assert.deepEqual(idArgs,
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[[1, 2], [0, 3], [2, 0], [4, 0],
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[5, 4], [0, 6], [6, 9], [0, 10]]);
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});
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});
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describe("isEmail", function() {
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it("should distinguish valid and invalid emails", function() {
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// Reference: https://blogs.msdn.microsoft.com/testing123/2009/02/06/email-address-test-cases/
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assert.isTrue(gutil.isEmail('email@domain.com'));
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assert.isTrue(gutil.isEmail('e-mail_123@domain.com'));
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assert.isTrue(gutil.isEmail('email@subdomain.do-main.com'));
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assert.isTrue(gutil.isEmail('firstname+lastname@domain.com'));
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assert.isTrue(gutil.isEmail('email@domain.co.jp'));
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assert.isFalse(gutil.isEmail('plainaddress'));
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assert.isFalse(gutil.isEmail('@domain.com'));
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assert.isFalse(gutil.isEmail('email@domain@domain.com'));
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assert.isFalse(gutil.isEmail('.email@domain.com'));
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assert.isFalse(gutil.isEmail('email.@domain.com'));
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assert.isFalse(gutil.isEmail('email..email@domain.com'));
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assert.isFalse(gutil.isEmail('あいうえお@domain.com'));
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assert.isFalse(gutil.isEmail('email@domain'));
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});
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});
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});
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