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CacheSpec.swift
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CacheSpec.swift
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//
// Created by Vladimir Burdukov on 8/21/20.
//
import XCTest
import Nimble
import RxSwift
import RxBlocking
@testable import miniGnomon
// swiftlint:disable:next type_body_length
class CacheSpec: XCTestCase {
override func setUp() {
continueAfterFailure = false
}
func testSingleNoCachedValue() throws {
let client = HTTPClient { _, _, _ in TestResponses.noCacheResponse() }
let request = try Request<TestModel>(URLString: "https://example.com/")
let result = client.cachedModels(for: request).toBlocking(timeout: BlockingTimeout).materialize()
expect(try result.elements()).to(haveCount(0))
}
func testSingleCachedValueStored() throws {
let response = try TestResponses.jsonResponse(result: ["key": 123], cached: true)
let client = HTTPClient { _, _, _ in response }
let request = try Request<TestModel>(URLString: "https://example.com/")
let result = client.cachedModels(for: request).toBlocking(timeout: BlockingTimeout).materialize()
let responses = try result.elements()
expect(responses).to(haveCount(1))
expect(responses[0].result.key) == 123
expect(responses[0].type) == .localCache
}
func testMultipleNoCachedValue() throws {
let client = HTTPClient { _, _, _ in TestResponses.noCacheResponse() }
let requests = try (0 ... 2).map { _ -> Request<TestModel> in
try Request<TestModel>(URLString: "https://example.com")
}
let result = client.cachedModels(for: requests).toBlocking(timeout: BlockingTimeout).materialize()
let elements = try result.elements()
expect(elements).to(haveCount(1))
let results = elements[0]
expect(results).to(haveCount(3))
for result in results {
switch result {
case .success: fail("request should fail")
case let .failure(error):
let error = error as NSError
expect(error.domain) == NSURLErrorDomain
expect(error.code) == NSURLErrorResourceUnavailable
}
}
}
func testMultipleCachedValueStored() throws {
let client = HTTPClient { request, _, _ in
let value = Int(request.url!.path.dropFirst())!
if value != 234 {
return try! TestResponses.jsonResponse(result: ["key": value], cached: true)
} else {
return TestResponses.noCacheResponse()
}
}
let requests = try (0 ... 2).map { 123 + 111 * $0 }.map { value -> Request<TestModel> in
try Request<TestModel>(URLString: "https://example.com/\(value)")
}
let result = client.cachedModels(for: requests).toBlocking(timeout: BlockingTimeout).materialize()
let elements = try result.elements()
expect(elements).to(haveCount(1))
let results = elements[0]
expect(results).to(haveCount(3))
do {
let value = try results[0].get()
expect(value.result.key) == 123
expect(value.type) == .localCache
}
switch results[1] {
case .success: fail("request should fail")
case let .failure(error):
let error = error as NSError
expect(error.domain) == NSURLErrorDomain
expect(error.code) == NSURLErrorResourceUnavailable
}
do {
let value = try results[2].get()
expect(value.result.key) == 345
expect(value.type) == .localCache
}
}
}