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[ios] Mock MGLOfflineStorage in MGLDocumentationExampleTests

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Otherwise we risk kicking-off long-running offline pack downloads that could interfere with other tests.
This commit is contained in:
Jason Wray
2019-02-19 16:33:27 -08:00
committed by GitHub
parent 1215629591
commit c00d44740f
2 changed files with 32 additions and 17 deletions
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12
platform/darwin/src/MGLOfflinePack.h
View File

@@ -106,15 +106,15 @@ typedef struct __attribute__((objc_boxable)) MGLOfflinePackProgress {
### Example
```swift
MGLOfflineStorage.shared.addPack(for: region, withContext: context!) { (pack, error) in
guard error == nil else {
// If download fails, log the error to the console
print("Error: \(error?.localizedDescription ?? "unknown error")")
MGLOfflineStorage.shared.addPack(for: region, withContext: context) { (pack, error) in
guard let pack = pack else {
// If adding the pack fails, log an error to console.
print("Error:", error?.localizedDescription ?? "unknown error adding pack at \(#file)(\(#line)) in \(#function)")
return
}
// Start an MGLOfflinePack download
pack!.resume()
pack.resume()
}
```
*/

37
platform/darwin/test/MGLDocumentationExampleTests.swift
View File

@@ -29,6 +29,17 @@ class MGLDocumentationExampleTests: XCTestCase, MGLMapViewDelegate {
var styleLoadingExpectation: XCTestExpectation!
static let styleURL = Bundle(for: MGLDocumentationExampleTests.self).url(forResource: "one-liner", withExtension: "json")!
// Mock MGLOfflineStorage singleton so that it doesn't start long-running tasks that could interfere with other tests.
fileprivate class MGLOfflineStorageMock {
static let shared = MGLOfflineStorageMock()
func addPack(for: MGLOfflineRegion, withContext: Data, completionHandler: MGLOfflinePackAdditionCompletionHandler? = nil) {
XCTAssert(MGLOfflineStorage.shared.responds(to: #selector(MGLOfflineStorage.shared.addPack(for:withContext:completionHandler:))))
if let completionHandler = completionHandler {
completionHandler(nil, NSError(domain: "MGLDocumentationExampleError", code: 0, userInfo: [NSLocalizedDescriptionKey: "\(#function) is mocked and not functional."]))
}
}
}
override func setUp() {
super.setUp()
mapView = MGLMapView(frame: CGRect(x: 0, y: 0, width: 256, height: 256), styleURL: MGLDocumentationExampleTests.styleURL)
@@ -66,6 +77,8 @@ class MGLDocumentationExampleTests: XCTestCase, MGLMapViewDelegate {
}
}
typealias MGLOfflineStorage = MGLOfflineStorageMock
//#-example-code
let northeast = CLLocationCoordinate2D(latitude: 40.989329, longitude: -102.062592)
let southwest = CLLocationCoordinate2D(latitude: 36.986207, longitude: -109.049896)
@@ -85,6 +98,8 @@ class MGLDocumentationExampleTests: XCTestCase, MGLMapViewDelegate {
return MGLDocumentationExampleTests.styleURL
}
}
typealias MGLOfflineStorage = MGLOfflineStorageMock
//#-example-code
var coordinates = [
@@ -103,26 +118,26 @@ class MGLDocumentationExampleTests: XCTestCase, MGLMapViewDelegate {
}
func testMGLOfflinePack() {
typealias MGLOfflineStorage = MGLOfflineStorageMock
let northeast = CLLocationCoordinate2D(latitude: 40.989329, longitude: -102.062592)
let southwest = CLLocationCoordinate2D(latitude: 36.986207, longitude: -109.049896)
let bbox = MGLCoordinateBounds(sw: southwest, ne: northeast)
let region = MGLTilePyramidOfflineRegion(styleURL: MGLStyle.lightStyleURL, bounds: bbox, fromZoomLevel: 11, toZoomLevel: 14)
let context = "Tile Pyramid Region".data(using: .utf8)
let region = MGLTilePyramidOfflineRegion(styleURL: MGLDocumentationExampleTests.styleURL, bounds: bbox, fromZoomLevel: 11, toZoomLevel: 14)
let context = "Tile Pyramid Region".data(using: .utf8)!
//#-example-code
MGLOfflineStorage.shared.addPack(for: region, withContext: context!) { (pack, error) in
guard error == nil else {
// If download fails, log the error to the console
print("Error: \(error?.localizedDescription ?? "unknown error")")
MGLOfflineStorage.shared.addPack(for: region, withContext: context) { (pack, error) in
guard let pack = pack else {
// If adding the pack fails, log an error to console.
print("Error:", error?.localizedDescription ?? "unknown error adding pack at \(#file)(\(#line)) in \(#function)")
return
}
// Start an MGLOfflinePack download
pack!.resume()
pack.resume()
}
//#-end-example-code
XCTAssertNotNil(region)
}
func testMGLShape$shapeWithData_encoding_error_() {