first commit

app_vue/node_modules/hash-sum/test.js

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+'use strict';
+
+var _ = require('lodash');
+var test = require('tape');
+var sum = require('./');
+
+test('creates unique hashes', function (t) {
+  var cases = [];
+
+  test_case([0,1,2,3]);
+  test_case({0:0,1:1,2:2,3:3});
+  test_case({0:0,1:1,2:2,3:3,length:4});
+  test_case({url:12});
+  test_case({headers:12});
+  test_case({headers:122});
+  test_case({headers:'122'});
+  test_case({headers:{accept:'text/plain'}});
+  test_case({payload:[0,1,2,3],headers:[{a:'b'}]});
+  test_case({a:function () {}});
+  test_case({b:function () {}});
+  test_case({b:function (a) {}});
+  test_case(function () {});
+  test_case(function (a) {});
+  test_case(function (b) {});
+  test_case(function (a) { return a;});
+  test_case(function (a) {return a;});
+  test_case('', '\'\'');
+  test_case('null', '\'null\'');
+  test_case('false', '\'false\'');
+  test_case('true', '\'true\'');
+  test_case('0', '\'0\'');
+  test_case('1', '\'1\'');
+  test_case('void 0', '\'void 0\'');
+  test_case('undefined', '\'undefined\'');
+  test_case(null);
+  test_case(false);
+  test_case(true);
+  test_case(Infinity);
+  test_case(-Infinity);
+  test_case(NaN);
+  test_case(0);
+  test_case(1);
+  test_case(void 0);
+  test_case({});
+  test_case({a:{},b:{}});
+  test_case({valueOf(){return 1}});
+  test_case({valueOf(){return 2}});
+  test_case([]);
+  test_case(new Date());
+  test_case(new Date(2019, 5, 28));
+  test_case(new Date(1988, 5, 9));
+  test_case(global, 'global');
+
+  const uniqCases = _.uniqBy(cases, 'hash')
+  _.uniqBy(cases, 'hash').forEach(function (expected) {
+    var matches = _.filter(cases, { hash: expected.hash })
+    t.equal(matches.length, 1, expected.hash + ': ' + _.map(matches, 'value').join(' '))
+  })
+
+  t.end();
+
+  function test_case(value, name) {
+    var hash = sum(value);
+    cases.push({ value, hash });
+    console.log('%s from:', hash, name || value);
+  }
+});
+
+test('hashes clash if same properties', function (t) {
+  equals(function () {}, function () {});
+  equals(function (a) {}, function (a) {});
+  equals({a:'1'},{a:'1'});
+  equals({a:'1',b:1},{b:1,a:'1'});
+  equals({valueOf(){return 1}},{valueOf(){return 1}});
+  t.end();
+
+  function equals (a, b) {
+    t.equal(sum(a), sum(b));
+  }
+});