Ghost/ghost/adapter-cache-redis/test/adapter-cache-redis.test.js

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const assert = require('assert/strict');
const sinon = require('sinon');
const RedisCache = require('../index');
describe('Adapter Cache Redis', function () {
afterEach(function () {
sinon.restore();
});
it('can initialize Redis cache instance directly', async function () {
const redisCacheInstanceStub = {
store: {
getClient: sinon.stub().returns({
on: sinon.stub()
})
}
};
const cache = new RedisCache({
cache: redisCacheInstanceStub
});
assert.ok(cache);
});
describe('get', function () {
it('can get a value from the cache', async function () {
const redisCacheInstanceStub = {
get: sinon.stub().resolves('value from cache'),
store: {
getClient: sinon.stub().returns({
on: sinon.stub()
})
}
};
const cache = new RedisCache({
cache: redisCacheInstanceStub
});
const value = await cache.get('key');
assert.equal(value, 'value from cache');
});
});
describe('set', function () {
it('can set a value in the cache', async function () {
const redisCacheInstanceStub = {
set: sinon.stub().resolvesArg(1),
store: {
getClient: sinon.stub().returns({
on: sinon.stub()
})
}
};
const cache = new RedisCache({
cache: redisCacheInstanceStub
});
const value = await cache.set('key-here', 'new value');
assert.equal(value, 'new value');
assert.equal(redisCacheInstanceStub.set.args[0][0], 'key-here');
});
it('sets a key based on keyPrefix', async function () {
const redisCacheInstanceStub = {
set: sinon.stub().resolvesArg(1),
store: {
getClient: sinon.stub().returns({
on: sinon.stub()
})
}
};
const cache = new RedisCache({
cache: redisCacheInstanceStub,
keyPrefix: 'testing-prefix:'
});
const value = await cache.set('key-here', 'new value');
assert.equal(value, 'new value');
assert.equal(redisCacheInstanceStub.set.args[0][0], 'testing-prefix:key-here');
});
});
});