网络请求例子

// ASIFormDataRequestTests.m

// Part of ASIHTTPRequest -> http://allseeing-i.com/ASIHTTPRequest

// Created by Ben Copsey on 08/11/2008.

#import "ASIFormDataRequestTests.h"

#import "ASIFormDataRequest.h"

// Used for subclass test

@interface ASIFormDataRequestSubclass : ASIFormDataRequest {}

@end

@implementation ASIFormDataRequestSubclass;

@end

@implementation ASIFormDataRequestTests

-(void)testDefaultMethod

{

ASIFormDataRequest *request = [[[ASIFormDataRequest alloc] initWithURL:[NSURLURLWithString:@"http://wedontcare.com"]] autorelease];

GHAssertTrue([[request requestMethod] isEqualToString:@"POST"], @"Default request method should be POST");

}

- (void)testAddNilKeysAndValues

{

ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:[NSURLURLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/empty-post-value"]];

[request setPostValue:nil forKey:@"key1"];

[request setPostValue:@"value2" forKey:@"key2"];

[request setData:nil forKey:@"file1"];

[request setData:[@"hello" dataUsingEncoding:NSUTF8StringEncoding] forKey:@"file2"];

[request startSynchronous];

BOOL success = ([[request responseString] isEqualToString:@"key1: key2: value2 file1: file2: hello"]);

GHAssertTrue(success, @"Sent wrong data");

// Test nil key (no key or value should be sent to the server)

request = [ASIFormDataRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com"]];

[request addPostValue:@"value1" forKey:nil];

[request addPostValue:@"value2" forKey:@"key2"];

[request buildPostBody];

NSString *postBody = [[[NSString alloc] initWithData:[request postBody] encoding:NSUTF8StringEncoding] autorelease];

success = ([postBody isEqualToString:@"key2=value2"]);

GHAssertTrue(success, @"Sent wrong data");

}

- (void)testPostWithFileUpload

{

NSURL *url = [NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/post"];

//Create a 32kb file

unsigned int size = 1024*32;

NSMutableData *data = [NSMutableData dataWithLength:size];

NSString *path = [[self filePathForTemporaryTestFiles] stringByAppendingPathComponent:@"bigfile"];

[data writeToFile:path atomically:NO];

ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:url];

NSDate *d = [NSDate date];

#if TARGET_OS_IPHONE

NSValue *v = [NSValue valueWithCGRect:CGRectMake(0, 0, 200, 200)];

#else

NSValue *v = [NSValue valueWithRect:NSMakeRect(0, 0, 200, 200)];

#endif

[request setPostValue:@"foo" forKey:@"post_var"];

[request setPostValue:d forKey:@"post_var2"];

[request setPostValue:v forKey:@"post_var3"];

[request setFile:path forKey:@"file"];

[request startSynchronous];

BOOL success = ([[request responseString] isEqualToString:[NSStringstringWithFormat:@"post_var: %@ post_var2: %@ post_var3: %@ file_name: %@ file_size: %hu content_type: %@",@"foo",d,v,@"bigfile",size,@"application/octet-stream"]]);

GHAssertTrue(success,@"Failed to upload the correct data (using local file)");

//Try the same with the raw data

request = [[[ASIFormDataRequest alloc] initWithURL:url] autorelease];

[request setPostValue:@"foo" forKey:@"post_var"];

[request setPostValue:d forKey:@"post_var2"];

[request setPostValue:v forKey:@"post_var3"];

[request setData:data forKey:@"file"];

[request startSynchronous];

success = ([[request responseString] isEqualToString:[NSString stringWithFormat:@"post_var: %@ post_var2: %@ post_var3: %@ file_name: %@ file_size: %hu content_type: %@",@"foo",d,v,@"file",size,@"application/octet-stream"]]);

GHAssertTrue(success,@"Failed to upload the correct data (using NSData)");

//Post with custom content-type and file name

request = [[[ASIFormDataRequest alloc] initWithURL:url] autorelease];

[request setPostValue:@"foo" forKey:@"post_var"];

[request setPostValue:d forKey:@"post_var2"];

[request setPostValue:v forKey:@"post_var3"];

[request setFile:path withFileName:@"myfile" andContentType:@"text/plain" forKey:@"file"];

[request startSynchronous];

GHAssertTrue(success,@"Failed to send the correct content-type / file name");

//Post raw data with custom content-type and file name

request = [[[ASIFormDataRequest alloc] initWithURL:url] autorelease];

[request setPostValue:@"foo" forKey:@"post_var"];

[request setPostValue:d forKey:@"post_var2"];

[request setPostValue:v forKey:@"post_var3"];

[request setData:data withFileName:@"myfile" andContentType:@"text/plain" forKey:@"file"];

[request startSynchronous];

GHAssertTrue(success,@"Failed to send the correct content-type / file name");

}

// Test fix for bug where setting an empty string for a form post value would cause the rest of the post body to be ignored (because an NSOutputStream won't like it if you try to write 0 bytes)

- (void)testEmptyData

{

ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:[NSURLURLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/post-empty"]];

[request setPostValue:@"hello" forKey:@"a_non_empty_string"];

[request setPostValue:@"" forKey:@"zzz_empty_string"];

[request setPostValue:@"there" forKey:@"xxx_non_empty_string"];

[request setShouldStreamPostDataFromDisk:YES];

[request buildPostBody];

[request startSynchronous];

BOOL success = ([[request responseString] isEqualToString:@"a_non_empty_string: hello zzz_empty_string: xxx_non_empty_string: there"]);

GHAssertTrue(success,@"Failed to send the correct post data");

}

// Ensure class convenience constructor returns an instance of our subclass

- (void)testSubclass

{

ASIFormDataRequestSubclass *instance = [ASIFormDataRequestSubclass requestWithURL:[NSURLURLWithString:@"http://allseeing-i.com"]];

BOOL success = [instance isKindOfClass:[ASIFormDataRequestSubclass class]];

GHAssertTrue(success,@"Convenience constructor failed to return an instance of the correct class");

}

- (void)testURLEncodedPost

{

ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:[NSURLURLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/url-encoded-post"]];

[request setPostValue:@"value1" forKey:@"value1"];

[request setPostValue:@"(%20 ? =)" forKey:@"value2"];

[request setPostValue:@"£100.00" forKey:@"value3"];

[request setPostValue:@"" forKey:@"value4"];

[request setPostValue:@"&??aaa=//ciaoèèè" forKey:@"teskey&aa"];

[request setShouldStreamPostDataFromDisk:YES];

[request setPostFormat:ASIURLEncodedPostFormat];

[request startSynchronous];

BOOL success = ([[request responseString] isEqualToString:@"value1: value1 value2: (%20 ? =) value3: £100.00 value4: teskey&aa: &??aaa=//ciaoèèè"]);

GHAssertTrue(success,@"Failed to send the correct post data");

}

- (void)testCharset

{

NSURL *url = [NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/formdata-charset"];

NSString *testString = @"£££s don't seem to buy me many €€€s these days";

// Test the default (UTF-8) with a url-encoded request

NSString *charset = @"utf-8";

ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:url];

[request setPostValue:testString forKey:@"value"];

[request startSynchronous];

BOOL success = ([[request responseString] isEqualToString:[NSString stringWithFormat:@"Got data in %@: %@",charset,testString]]);

GHAssertTrue(success,@"Failed to correctly encode the data");

// Test the default (UTF-8) with a multipart/form-data request

request = [ASIFormDataRequest requestWithURL:url];

[request setPostValue:testString forKey:@"value"];

[request setPostFormat:ASIMultipartFormDataPostFormat];

[request startSynchronous];

success = ([[request responseString] isEqualToString:[NSString stringWithFormat:@"Got data in %@: %@",charset,testString]]);

GHAssertTrue(success,@"Failed to correctly encode the data");

// Test a different charset

testString = @"£££s don't seem to buy me many $$$s these days";

charset = @"iso-8859-1";

request = [ASIFormDataRequest requestWithURL:url];

[request setPostValue:testString forKey:@"value"];

[request setStringEncoding:NSISOLatin1StringEncoding];

[request startSynchronous];

success = ([[request responseString] isEqualToString:[NSString stringWithFormat:@"Got data in %@: %@",charset,testString]]);

GHAssertTrue(success,@"Failed to correctly encode the data");

// And again with multipart/form-data request

request = [ASIFormDataRequest requestWithURL:url];

[request setPostValue:testString forKey:@"value"];

[request setPostFormat:ASIMultipartFormDataPostFormat];

[request setStringEncoding:NSISOLatin1StringEncoding];

[request startSynchronous];

success = ([[request responseString] isEqualToString:[NSString stringWithFormat:@"Got data in %@: %@",charset,testString]]);

GHAssertTrue(success,@"Failed to correctly encode the data");

// Once more for luck

charset = @"windows-1252";

request = [ASIFormDataRequest requestWithURL:url];

[request setPostValue:testString forKey:@"value"];

[request setStringEncoding:NSWindowsCP1252StringEncoding];

[request startSynchronous];

success = ([[request responseString] isEqualToString:[NSString stringWithFormat:@"Got data in %@: %@",charset,testString]]);

GHAssertTrue(success,@"Failed to correctly encode the data");

request = [ASIFormDataRequest requestWithURL:url];

[request setPostValue:testString forKey:@"value"];

[request setPostFormat:ASIMultipartFormDataPostFormat];

[request setStringEncoding:NSWindowsCP1252StringEncoding];

[request startSynchronous];

success = ([[request responseString] isEqualToString:[NSString stringWithFormat:@"Got data in %@: %@",charset,testString]]);

GHAssertTrue(success,@"Failed to correctly encode the data");

// Ensure charset isn't added to file post (GH issue 36)

request = [ASIFormDataRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/Tests/return-raw-request"]];

[request setData:[@"test 123" dataUsingEncoding:NSUTF8StringEncoding] forKey:@"file"];

[request setRequestMethod:@"PUT"];

[request startSynchronous];

success = ([[request responseString] rangeOfString:@"charset=utf-8"].location == NSNotFound);

GHAssertTrue(success,@"Sent a charset header for an uploaded file");

}

- (void)testPUT

{

ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:[NSURLURLWithString:@"http://allseeing-i.com/ASIHTTPRequest/Tests/put_form_data"]];

[request setRequestMethod:@"PUT"];

[request setPostValue:@"cheep cheep" forKey:@"hello"];

[request startSynchronous];

NSString *expectedResponse = [[[NSString alloc] initWithBytes:[[request postBody] bytes] length:[[request postBody] length] encoding:[request stringEncoding]] autorelease];

BOOL success = ([[request responseString] isEqualToString:expectedResponse]);

GHAssertTrue(success,@"Failed to send form data using PUT");

// Ensure that other methods still default to POST

request = [ASIFormDataRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/Tests/put_form_data"]];

[request setRequestMethod:@"DELETE"];

[request setPostValue:@"cheep cheep" forKey:@"hello"];

[request startSynchronous];

success = ([[request responseString] isEqualToString:@"Got POST instead"]);

GHAssertTrue(success,@"Failed to send form data using PUT");

}

- (void)testCopy

{

NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:[NSURLURLWithString:@"http://allseeing-i.com"]];

ASIFormDataRequest *request2 = [request copy];

GHAssertNotNil(request2,@"Failed to create a copy");

[pool release];

BOOL success = ([request2 retainCount] == 1);

GHAssertTrue(success,@"Failed to create a retained copy");

success = ([request2 isKindOfClass:[ASIFormDataRequest class]]);

GHAssertTrue(success,@"Copy is of wrong class");

[request2 release];

}

- (void)testMultipleValuesForASingleKey

{

ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:[NSURLURLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/multiple-values"]];

[request addPostValue:@"here" forKey:@"test_value[]"];

[request addPostValue:@"are" forKey:@"test_value[]"];

[request addPostValue:@"some" forKey:@"test_value[]"];

[request addPostValue:@"values" forKey:@"test_value[]"];

NSString *path1 = [[self filePathForTemporaryTestFiles] stringByAppendingPathComponent:@"file1.txt"];

NSString *path2 = [[self filePathForTemporaryTestFiles] stringByAppendingPathComponent:@"file2.txt"];

[@"hello" writeToFile:path1 atomically:NO encoding:NSUTF8StringEncoding error:nil];

[@"there" writeToFile:path2 atomically:NO encoding:NSUTF8StringEncoding error:nil];

[request addFile:path1 forKey:@"test_file[]"];

[request addFile:path2 forKey:@"test_file[]"];

[request startSynchronous];

NSString *expectedOutput = @"here are some values file1.txt file2.txt ";

BOOL success = [[request responseString] isEqualToString:expectedOutput];

GHAssertTrue(success,@"Failed to send the correct data");

// Check data replaces older data

request = [ASIFormDataRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/single-values"]];

[request addPostValue:@"here" forKey:@"test_value[]"];

[request addPostValue:@"are" forKey:@"test_value[]"];

[request addPostValue:@"some" forKey:@"test_value[]"];

[request addPostValue:@"values" forKey:@"test_value[]"];

[request setPostValue:@"this is new data" forKey:@"test_value[]"];

[request addFile:path1 forKey:@"test_file[]"];

[request addFile:path2 forKey:@"test_file[]"];

[request setData:[@"this is new data" dataUsingEncoding:NSUTF8StringEncoding] forKey:@"test_file[]"];

[request startSynchronous];

expectedOutput = @"this is new data file ";

success = [[request responseString] isEqualToString:expectedOutput];

GHAssertTrue(success,@"Failed to send the correct data");

}

@end

网络请求例子

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