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node-cache-manager
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test cases passing. but not enough coverage.

feature/specify-what-to-cache
Sean Cady 10 years ago
parent
6249034237
commit
1c341dd985
2 changed files with 106 additions and 56 deletions
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  1. 85
      lib/multi_caching.js
  2. 29
      test/stores/options.unit.js

85
lib/multi_caching.js
View File

@ -8,15 +8,38 @@ var domain = require('domain');
*/
var multi_caching = function (caches) {
var self = {};
if (!Array.isArray(caches)) { throw new Error('multi_caching requires an array of caches'); }
if (!Array.isArray(caches)) {
throw new Error('multi_caching requires an array of caches');
}
self.queues = {};
function get_from_highest_priority_cache(key, cb, options) {
function get_from_highest_priority_cache(key, options, cb) {
if (typeof options === 'function') {
cb = options;
options = undefined;
}
var i = 0;
async.forEachSeries(caches, function (cache, async_cb) {
if(typeof options === 'object'){
cache.store.get(key, options, function (err, result) {
if (err) {
return cb(err);
}
if (result) {
// break out of async loop.
return cb(err, result, i);
}
i += 1;
async_cb(err);
});
}else{
cache.store.get(key, function (err, result) {
if (err) { return cb(err); }
if (err) {
return cb(err);
}
if (result) {
// break out of async loop.
return cb(err, result, i);
@ -24,13 +47,19 @@ var multi_caching = function(caches) {
i += 1;
async_cb(err);
}, options);
});
}
}, cb);
}
function set_in_multiple_caches(caches, opts, cb) {
async.forEach(caches, function (cache, async_cb) {
cache.store.set(opts.key, opts.value, opts.ttl, async_cb, opts.options);
if (typeof opts.options !== 'object') {
cache.store.set(opts.key, opts.value, opts.ttl, async_cb);
} else {
cache.store.set(opts.key, opts.value, opts.options, async_cb);
}
}, cb);
}
@ -66,11 +95,10 @@ var multi_caching = function(caches) {
* If a key doesn't exist in a higher-priority cache but exists in a lower-priority
* cache, it gets set in all higher-priority caches.
*/
self.wrap = function(key, work, ttl, cb, options) {
if (typeof ttl === 'function') {
cb = ttl;
options = cb;
ttl = undefined;
self.wrap = function (key, work, options, cb) {
if (typeof options === 'function') {
cb = options;
options = undefined;
}
if (self.queues[key]) {
@ -96,9 +124,13 @@ var multi_caching = function(caches) {
var opts = {
key: key,
value: result,
ttl: ttl,
options: options
};
if (typeof options !== 'object') {
opts.ttl = options;
}
set_in_multiple_caches(caches_to_update, opts, function (err) {
fillCallbacks(err, result);
});
@ -116,9 +148,12 @@ var multi_caching = function(caches) {
var opts = {
key: key,
value: data,
ttl: ttl,
options: options
};
if (typeof options !== 'object') {
opts.ttl = options;
}
set_in_multiple_caches(caches, opts, function (err) {
if (err) {
fillCallbacks(err);
@ -131,23 +166,37 @@ var multi_caching = function(caches) {
});
};
self.set = function(key, value, ttl, cb, options) {
self.set = function (key, value, options, cb) {
var opts = {
key: key,
value: value,
ttl: ttl,
options: options
};
if (typeof options !== 'object') {
opts.ttl = options;
}
set_in_multiple_caches(caches, opts, cb);
};
self.get = function(key, cb, options) {
get_from_highest_priority_cache(key, cb, options);
self.get = function (key, options, cb) {
if (typeof options === 'function') {
cb = options;
options = false;
}
get_from_highest_priority_cache(key, options, cb);
};
self.del = function(key, cb, options) {
self.del = function (key, options, cb) {
if (typeof options === 'function') {
cb = options;
options = false;
}
async.forEach(caches, function (cache, async_cb) {
cache.store.del(key, async_cb, options);
if(typeof options ==='object'){
cache.store.del(key, options, async_cb );
}else{
cache.store.del(key, async_cb );
}
}, cb);
};

29
test/stores/options.unit.js
View File

@ -11,7 +11,7 @@ var testStore = function(args) {
var self = {};
self.name = "options";
self.get = function(key, cb, options) {
self.get = function(key, options, cb) {
if (options && options.value) {
return cb(null, options.value + "ValueOption");
} else if (options && options.fn) {
@ -21,7 +21,7 @@ var testStore = function(args) {
return cb("Error No Options");
};
self.set = function(key, value, ttl, cb, options) {
self.set = function(key, value, options, cb) {
if (options && options.value) {
memoryFlag = options.value + "ValueOption";
return cb();
@ -32,7 +32,7 @@ var testStore = function(args) {
return cb("Error No Options");
};
self.del = function(key, cb, options) {
self.del = function(key, options, cb) {
if (options && options.value) {
memoryFlag = options.value + "ValueOption";
return cb();
@ -64,10 +64,10 @@ describe("Methods with options", function() {
it("lets us pass options by value", function(done) {
var options = {value: value};
testCache.get(key, function(err, response) {
testCache.get(key, options, function(err, response) {
assert.equal(response, value + "ValueOption");
done();
}, options);
});
});
it("lets us pass options by function", function(done) {
@ -77,9 +77,9 @@ describe("Methods with options", function() {
done();
}
};
testCache.get(key, function(err, response) {
testCache.get(key , options, function(err, response) {
assert.equal(response, "GetFunctionOption");
}, options);
});
});
});
describe("set with options", function() {
@ -91,21 +91,22 @@ describe("Methods with options", function() {
});
it("lets us pass options by value", function(done) {
var options = {value: value};
testCache.set(key, value, ttl, function() {
var options = {ttl: ttl, value: value};
testCache.set(key, value, options, function() {
assert.equal(memoryFlag, value + "ValueOption");
done();
}, options);
});
});
it("lets us pass options by function", function(done) {
var options = {
ttl: ttl,
fn: function(response) {
assert.equal(response, "SetFunctionOption");
done();
}
};
testCache.set(key, value, ttl, function() {}, options);
testCache.set(key, value, options, function() {}, options);
});
});
describe("delete with options", function() {
@ -117,10 +118,10 @@ describe("Methods with options", function() {
it("lets us pass options by value", function(done) {
var options = {value: value};
testCache.del(key, function() {
testCache.del(key, options, function() {
assert.equal(memoryFlag,value + "ValueOption");
done();
}, options);
});
});
it("lets us pass options by function", function(done) {
@ -130,7 +131,7 @@ describe("Methods with options", function() {
done();
}
};
testCache.del(key, function() {}, options);
testCache.del(key, options, function() {}, options);
});
});
});

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