Refactor hot loading implementation on iOS

Reviewed By: milend

Differential Revision: D2795580

fb-gh-sync-id: ad33ba152e40b622b10bfa0122afd6edc28a11bf

Examples/UIExplorer/UIExplorerUnitTests/RCTURLUtilsTests.m

@@ -0,0 +1,75 @@
+/**
+ * The examples provided by Facebook are for non-commercial testing and
+ * evaluation purposes only.
+ *
+ * Facebook reserves all rights not expressly granted.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
+ * FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#import <XCTest/XCTest.h>
+#import "RCTUtils.h"
+
+@interface RCTURLUtilsTests : XCTestCase
+
+@end
+
+@implementation RCTURLUtilsTests
+
+- (void)testGetQueryParam
+{
+  NSURL *URL = [NSURL URLWithString:@"http://example.com?foo=bar&bar=foo"];
+  NSString *foo = RCTGetURLQueryParam(URL, @"foo");
+  NSString *bar = RCTGetURLQueryParam(URL, @"bar");
+  XCTAssertEqualObjects(foo, @"bar");
+  XCTAssertEqualObjects(bar, @"foo");
+}
+
+- (void)testQueryParamNotFound
+{
+  NSURL *URL = [NSURL URLWithString:@"http://example.com?foo=bar"];
+  NSString *bar = RCTGetURLQueryParam(URL, @"bar");
+  XCTAssertNil(bar);
+}
+
+- (void)testDuplicateParamTakesLatter
+{
+  NSURL *URL = [NSURL URLWithString:@"http://example.com?foo=bar&foo=foo"];
+  NSString *foo = RCTGetURLQueryParam(URL, @"foo");
+  XCTAssertEqualObjects(foo, @"foo");
+}
+
+- (void)testNilURLGetQueryParam
+{
+  NSURL *URL = nil;
+  NSString *foo = RCTGetURLQueryParam(URL, @"foo");
+  XCTAssertNil(foo);
+}
+
+- (void)testReplaceParam
+{
+  NSURL *URL = [NSURL URLWithString:@"http://example.com?foo=bar&bar=foo"];
+  NSURL *result = RCTURLByReplacingQueryParam(URL, @"foo", @"foo");
+  XCTAssertEqualObjects(result.absoluteString, @"http://example.com?foo=foo&bar=foo");
+}
+
+- (void)testAppendParam
+{
+  NSURL *URL = [NSURL URLWithString:@"http://example.com?bar=foo"];
+  NSURL *result = RCTURLByReplacingQueryParam(URL, @"foo", @"bar");
+  XCTAssertEqualObjects(result.absoluteString, @"http://example.com?bar=foo&foo=bar");
+}
+
+- (void)testNilURLAppendQueryParam
+{
+  NSURL *URL = nil;
+  NSURL *result = RCTURLByReplacingQueryParam(URL, @"foo", @"bar");
+  XCTAssertNil(result);
+}
+
+@end