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//
// OperationCacheTests.swift
//
// Created by Indragie Karunaratne on 8/3/15.
//
import XCTest
@testable import OperationCache
class OperationCacheTests: XCTestCase {
func testInit() {
let cache = OperationCache<String, String>()
for (_, _) in cache.snapshot {
XCTFail("There should be no values")
}
}
func testGetAndSet() {
let cache = OperationCache<String, String>()
XCTAssertTrue(cache["foo"] == nil)
let expirable = Expirable(expiryDate: NSDate.distantFuture(), value: "bar")
cache["foo"] = expirable
XCTAssertTrue(cache["foo"]! == expirable)
let expirable2 = Expirable(expiryDate: NSDate.distantFuture(), value: "baz")
cache["foo"] = expirable2
XCTAssertTrue(cache["foo"]! == expirable2)
}
func testRemove() {
let cache = OperationCache<String, String>()
cache["foo"] = Expirable(expiryDate: NSDate.distantFuture(), value: "bar")
XCTAssertTrue(cache["foo"] != nil)
cache["foo"] = nil
XCTAssertTrue(cache["foo"] == nil)
}
func testExpiration() {
let cache = OperationCache<String, String>()
cache["foo"] = Expirable(expiryDate: NSDate.distantPast(), value: "bar")
XCTAssertTrue(cache["foo"] == nil)
}
func testSnapshot() {
let cache = OperationCache<String, String>()
let expirable = Expirable(expiryDate: NSDate.distantFuture(), value: "bar")
cache["foo"] = expirable
var generator = cache.snapshot.generate()
var next = generator.next()
XCTAssertEqual(next!.0, "foo")
XCTAssertTrue(next!.1 == expirable)
next = generator.next()
XCTAssertTrue(next == nil)
}
}
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