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Type scheme once only #5

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merged 6 commits into from Jun 6, 2018
Merged

Type scheme once only #5

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4b386d0
Append scheme to Route dynamically.
Jun 4, 2018
4493a60
Tests
Jun 4, 2018
a88ca1e
Refactoring
Jun 5, 2018
1fe8187
Fixed typo and updated test names.
Jun 5, 2018
4230ff1
Added further assertion checks in tests.
Jun 5, 2018
0f6449b
Swiftlint
Jun 5, 2018
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10 changes: 8 additions & 2 deletions Sources/Crossroad/Router.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@ import Foundation
public typealias SimpleRouter = Router<Void>

public final class Router<UserInfo> {
public let scheme: String
private let scheme: String
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Should we conceal this property?

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Maybe, I guess that nobody use Router.scheme from external. 🤔

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I think so. I think it might be good to release API, once it becomes useful.

private var routes: [Route<UserInfo>] = []

public init(scheme: String) {
Expand Down Expand Up @@ -35,7 +35,13 @@ public final class Router<UserInfo> {

public func register(_ routes: [(String, Route<UserInfo>.Handler)]) {
for (pattern, handler) in routes {
guard let patternURL = PatternURL(string: pattern) else {
let patternURLString: String
if pattern.hasPrefix("\(scheme)://") {
patternURLString = pattern
} else {
patternURLString = "\(scheme)://\(pattern)"
}
guard let patternURL = PatternURL(string: patternURLString) else {
assertionFailure("\(pattern) is invalid")
continue
}
Expand Down
161 changes: 155 additions & 6 deletions Tests/CrossroadTests/RouterTests.swift
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Expand Up @@ -3,10 +3,10 @@ import XCTest
import Crossroad

final class RouterTest: XCTestCase {
let schema = "foobar"
let scheme = "foobar"

func testCanRespond() {
let router = SimpleRouter(scheme: schema)
let router = SimpleRouter(scheme: scheme)
router.register([
("foobar://static", { _ in true }),
("foobar://foo/bar", { _ in true }),
Expand All @@ -21,10 +21,39 @@ final class RouterTest: XCTestCase {
XCTAssertFalse(router.responds(to: URL(string: "foobar://aaa/bbb")!))
XCTAssertFalse(router.responds(to: URL(string: "notfoobar://aaa/bbb")!))
XCTAssertTrue(router.responds(to: URL(string: "foobar://spam/ham")!))
XCTAssertFalse(router.responds(to: URL(string: "static")!))
XCTAssertFalse(router.responds(to: URL(string: "foo")!))
XCTAssertFalse(router.responds(to: URL(string: "foo/bar")!))
XCTAssertFalse(router.responds(to: URL(string: "foo/10000")!))
XCTAssertFalse(router.responds(to: URL(string: "aaa/bbb")!))
XCTAssertFalse(router.responds(to: URL(string: "spam/ham")!))
}

func testCanRespondWithoutScheme() {
let router = SimpleRouter(scheme: scheme)
router.register([
("static", { _ in true }),
("foo/bar", { _ in true }),
("spam/ham", { _ in false }),
(":keyword", { _ in true }),
("foo/:keyword", { _ in true }),
])
XCTAssertTrue(router.responds(to: URL(string: "foobar://static")!))
XCTAssertTrue(router.responds(to: URL(string: "foobar://foo")!))
XCTAssertTrue(router.responds(to: URL(string: "foobar://foo/bar")!))
XCTAssertTrue(router.responds(to: URL(string: "foobar://foo/10000")!))
XCTAssertFalse(router.responds(to: URL(string: "notfoobar://aaa/bbb")!))
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Could you add assertions to check without scheme patterns?

XCTAssertFalse(router.responds(to: URL(string: "static")!))
XCTAssertFalse(router.responds(to: URL(string: "foo/bar")!))
XCTAssertFalse(router.responds(to: URL(string: "spam/ham")!))

XCTAssertTrue(router.responds(to: URL(string: "foobar://spam/ham")!))
XCTAssertFalse(router.responds(to: URL(string: "static")!))
XCTAssertFalse(router.responds(to: URL(string: "foo")!))
XCTAssertFalse(router.responds(to: URL(string: "foo/bar")!))
XCTAssertFalse(router.responds(to: URL(string: "foo/10000")!))
XCTAssertFalse(router.responds(to: URL(string: "aaa/bbb")!))
XCTAssertFalse(router.responds(to: URL(string: "spam/ham")!))
}

func testHandle() {
let router = SimpleRouter(scheme: schema)
let router = SimpleRouter(scheme: scheme)
let expectation = self.expectation(description: "Should called handler four times")
expectation.expectedFulfillmentCount = 4
router.register([
Expand Down Expand Up @@ -59,11 +88,60 @@ final class RouterTest: XCTestCase {
XCTAssertTrue(router.openIfPossible(URL(string: "foobar://foo/hoge/fuga")!))
XCTAssertFalse(router.openIfPossible(URL(string: "foobar://spam/ham")!))
XCTAssertFalse(router.openIfPossible(URL(string: "notfoobar://static")!))
XCTAssertFalse(router.openIfPossible(URL(string: "static")!))
XCTAssertFalse(router.openIfPossible(URL(string: "foo/bar?param0=123")!))
XCTAssertFalse(router.openIfPossible(URL(string: "hoge")!))
XCTAssertFalse(router.openIfPossible(URL(string: "foo/hoge/fuga")!))
XCTAssertFalse(router.openIfPossible(URL(string: "spam/ham")!))
wait(for: [expectation], timeout: 2.0)
}

func testHandleWithoutScheme() {
let router = SimpleRouter(scheme: scheme)
let expectation = self.expectation(description: "Should called handler four times")
expectation.expectedFulfillmentCount = 4
router.register([
("static", { context in
XCTAssertEqual(context.url, URL(string: "foobar://static")!)
expectation.fulfill()
return true
}),
("foo/bar", { context in
XCTAssertEqual(context.parameter(for: "param0"), 123)
XCTAssertEqual(context.url, URL(string: "foobar://foo/bar?param0=123")!)
expectation.fulfill()
return true
}),
(":keyword", { context in
XCTAssertEqual(context.url, URL(string: "foobar://hoge")!)
XCTAssertEqual(try? context.argument(for: "keyword"), "hoge")
expectation.fulfill()
return true
}),
("foo/:keyword/:keyword2", { context in
XCTAssertEqual(context.url, URL(string: "foobar://foo/hoge/fuga")!)
XCTAssertEqual(try? context.argument(for: "keyword"), "hoge")
XCTAssertEqual(try? context.argument(for: "keyword2"), "fuga")
expectation.fulfill()
return true
}),
])
XCTAssertTrue(router.openIfPossible(URL(string: "foobar://static")!))
XCTAssertTrue(router.openIfPossible(URL(string: "foobar://foo/bar?param0=123")!))
XCTAssertTrue(router.openIfPossible(URL(string: "foobar://hoge")!))
XCTAssertTrue(router.openIfPossible(URL(string: "foobar://foo/hoge/fuga")!))
XCTAssertFalse(router.openIfPossible(URL(string: "foobar://spam/ham")!))
XCTAssertFalse(router.openIfPossible(URL(string: "notfoobar://static")!))
XCTAssertFalse(router.openIfPossible(URL(string: "static")!))
XCTAssertFalse(router.openIfPossible(URL(string: "foo/bar?param0=123")!))
XCTAssertFalse(router.openIfPossible(URL(string: "hoge")!))
XCTAssertFalse(router.openIfPossible(URL(string: "foo/hoge/fuga")!))
XCTAssertFalse(router.openIfPossible(URL(string: "spam/ham")!))
wait(for: [expectation], timeout: 2.0)
}

func testHandlerWithSamePatterns() {
let router = SimpleRouter(scheme: schema)
let router = SimpleRouter(scheme: scheme)
let idExpectation = self.expectation(description: "Should called handler with ID")
let keywordExpectation = self.expectation(description: "Should called handler with keyword")
router.register([
Expand All @@ -86,11 +164,42 @@ final class RouterTest: XCTestCase {
])
XCTAssertTrue(router.openIfPossible(URL(string: "foobar://foo/42")!))
XCTAssertTrue(router.openIfPossible(URL(string: "foobar://foo/bar")!))
XCTAssertFalse(router.openIfPossible(URL(string: "foo/42")!))
XCTAssertFalse(router.openIfPossible(URL(string: "foo/bar")!))
wait(for: [idExpectation, keywordExpectation], timeout: 2.0)
}

func testHandlerWithSamePatternsWithoutScheme() {
let router = SimpleRouter(scheme: scheme)
let idExpectation = self.expectation(description: "Should called handler with ID")
let keywordExpectation = self.expectation(description: "Should called handler with keyword")
router.register([
("foo/:id", { context in
guard let id: Int = try? context.argument(for: "id") else {
return false
}
XCTAssertEqual(context.url, URL(string: "foobar://foo/42")!)
XCTAssertEqual(id, 42)
idExpectation.fulfill()
return true
}),
("foo/:keyword", { context in
let keyword: String = try! context.argument(for: "keyword")
XCTAssertEqual(context.url, URL(string: "foobar://foo/bar")!)
XCTAssertEqual(keyword, "bar")
keywordExpectation.fulfill()
return true
}),
])
XCTAssertTrue(router.openIfPossible(URL(string: "foobar://foo/42")!))
XCTAssertTrue(router.openIfPossible(URL(string: "foobar://foo/bar")!))
XCTAssertFalse(router.openIfPossible(URL(string: "foo/42")!))
XCTAssertFalse(router.openIfPossible(URL(string: "foo/bar")!))
wait(for: [idExpectation, keywordExpectation], timeout: 2.0)
}

func testHandleReturnsFalse() {
let router = SimpleRouter(scheme: schema)
let router = SimpleRouter(scheme: scheme)
let expectation = self.expectation(description: "Should called handler twice")
expectation.expectedFulfillmentCount = 2
router.register([
Expand All @@ -105,14 +214,35 @@ final class RouterTest: XCTestCase {
}),
])
XCTAssertTrue(router.openIfPossible(URL(string: "foobar://foo/bar")!))
XCTAssertFalse(router.openIfPossible(URL(string: "foo/bar")!))
wait(for: [expectation], timeout: 2.0)
}

func testHandleReturnsFalseWithoutScheme() {
let router = SimpleRouter(scheme: scheme)
let expectation = self.expectation(description: "Should called handler twice")
expectation.expectedFulfillmentCount = 2
router.register([
("foo/bar", { _ in
expectation.fulfill()
return false
}),
("foo/:keyword", { context in
XCTAssertEqual(try? context.argument(for: "keyword"), "bar")
expectation.fulfill()
return true
}),
])
XCTAssertTrue(router.openIfPossible(URL(string: "foobar://foo/bar")!))
XCTAssertFalse(router.openIfPossible(URL(string: "foo/bar")!))
wait(for: [expectation], timeout: 2.0)
}

func testWithUserInfo() {
struct UserInfo {
let value: Int
}
let router = Router<UserInfo>(scheme: schema)
let router = Router<UserInfo>(scheme: scheme)
var userInfo: UserInfo? = nil
router.register([
("foobar://static", { context in
Expand All @@ -122,6 +252,25 @@ final class RouterTest: XCTestCase {
}),
])
XCTAssertTrue(router.openIfPossible(URL(string: "foobar://static")!, userInfo: UserInfo(value: 42)))
XCTAssertFalse(router.openIfPossible(URL(string: "static")!, userInfo: UserInfo(value: 42)))
XCTAssertEqual(userInfo?.value, 42)
}

func testWithUserInfoWithoutScheme() {
struct UserInfo {
let value: Int
}
let router = Router<UserInfo>(scheme: scheme)
var userInfo: UserInfo? = nil
router.register([
("static", { context in
XCTAssertEqual(context.url, URL(string: "foobar://static")!)
userInfo = context.userInfo
return true
}),
])
XCTAssertTrue(router.openIfPossible(URL(string: "foobar://static")!, userInfo: UserInfo(value: 42)))
XCTAssertFalse(router.openIfPossible(URL(string: "static")!, userInfo: UserInfo(value: 42)))
XCTAssertEqual(userInfo?.value, 42)
}
}