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75 lines
3.7 KiB
75 lines
3.7 KiB
'use strict';
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const assert = require('assert');
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const CachePolicy = require('..');
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describe('Vary', function() {
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it('Basic', function() {
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const cache1 = new CachePolicy({method:'GET',headers:{'weather': 'nice'}}, {headers:{'vary':'weather'}});
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const cache2 = new CachePolicy({method:'GET',headers:{'weather': 'bad'}}, {headers:{'vary':'WEATHER'}});
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assert.equal(cache1.cacheKey(), cache1.cacheKey());
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assert.equal(cache2.cacheKey(), cache2.cacheKey());
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assert.notEqual(cache1.cacheKey(), cache2.cacheKey());
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});
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it("* doesn't match other", function() {
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const cache1 = new CachePolicy({method:'GET',headers:{'weather': 'ok'}}, {headers:{'vary':'*'}});
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const cache2 = new CachePolicy({method:'GET',headers:{'weather': 'ok'}}, {headers:{'vary':'weather'}});
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assert.equal(cache2.cacheKey(), cache2.cacheKey());
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assert.notEqual(cache1.cacheKey(), cache2.cacheKey());
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});
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it("* is stale", function() {
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const cache1 = new CachePolicy({method:'GET',headers:{'weather': 'ok'}}, {headers:{'cache-control':'public,max-age=99', 'vary':'*'}});
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const cache2 = new CachePolicy({method:'GET',headers:{'weather': 'ok'}}, {headers:{'cache-control':'public,max-age=99', 'vary':'weather'}});
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assert.notEqual(cache1.cacheKey(), cache2.cacheKey());
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assert(cache1.stale());
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assert(!cache2.stale());
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});
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it('Values are case-sensitive', function() {
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const cache1 = new CachePolicy({method:'GET',headers:{'weather': 'BAD'}}, {headers:{'vary':'weather'}});
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const cache2 = new CachePolicy({method:'GET',headers:{'weather': 'bad'}}, {headers:{'vary':'weather'}});
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assert.notEqual(cache1.cacheKey(), cache2.cacheKey());
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});
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it('Irrelevant headers ignored', function() {
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const cache1 = new CachePolicy({method:'GET',headers:{'weather': 'nice'}}, {headers:{'vary':'moon-phase'}});
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const cache2 = new CachePolicy({method:'GET',headers:{'weather': 'bad'}}, {headers:{'vary':'moon-phase'}});
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assert.equal(cache1.cacheKey(), cache1.cacheKey());
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assert.equal(cache1.cacheKey(), cache2.cacheKey());
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});
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it('Absence is meaningful', function() {
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const cache1 = new CachePolicy({method:'GET',headers:{'weather': 'nice'}}, {headers:{'vary':'moon-phase'}});
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const cache2 = new CachePolicy({method:'GET',headers:{'weather': 'bad'}}, {headers:{'vary':'sunshine'}});
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assert.equal(cache2.cacheKey(), cache2.cacheKey());
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assert.notEqual(cache1.cacheKey(), cache2.cacheKey());
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});
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it('All values must match', function() {
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const cache1 = new CachePolicy({method:'GET',headers:{'sun': 'shining', 'weather': 'nice'}}, {headers:{'vary':'weather, sun'}});
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const cache2 = new CachePolicy({method:'GET',headers:{'sun': 'shining', 'weather': 'bad'}}, {headers:{'vary':'weather, sun'}});
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assert.notEqual(cache1.cacheKey(), cache2.cacheKey());
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});
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it('Order is irrelevant', function() {
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const cache1 = new CachePolicy({method:'GET',headers:{'weather': 'nice'}}, {headers:{'vary':'moon-phase, SUNSHINE'}});
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const cache2 = new CachePolicy({method:'GET',headers:{'weather': 'bad'}}, {headers:{'vary':'sunshine, moon-phase'}});
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assert.equal(cache1.cacheKey(), cache2.cacheKey());
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const cache3 = new CachePolicy({method:'GET',headers:{'weather': 'nice'}}, {headers:{'vary':'moon-phase, weather'}});
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const cache4 = new CachePolicy({method:'GET',headers:{'weather': 'nice'}}, {headers:{'vary':'weather, moon-phase'}});
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assert.equal(cache3.cacheKey(), cache4.cacheKey());
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assert.notEqual(cache1.cacheKey(), cache3.cacheKey());
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assert.notEqual(cache2.cacheKey(), cache4.cacheKey());
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});
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});
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