onnxruntime/objectivec/test/ort_session_test.mm
Edward Chen 7ed48a299a
Objective-C API updates (#18738)
- Add ORTSession and ORTTrainingSession strong references to ORTEnv.
- Make ORTTrainingSession session options parameter optional.
2023-12-07 16:47:46 -08:00

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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
#import <XCTest/XCTest.h>
#import "ort_coreml_execution_provider.h"
#import "ort_xnnpack_execution_provider.h"
#import "ort_env.h"
#import "ort_session.h"
#import "ort_value.h"
#import "test/assertion_utils.h"
#include <vector>
NS_ASSUME_NONNULL_BEGIN
@interface ORTSessionTest : XCTestCase
@property(readonly, nullable) ORTEnv* ortEnv;
@end
@implementation ORTSessionTest
- (void)setUp {
[super setUp];
self.continueAfterFailure = NO;
NSError* err = nil;
_ortEnv = [[ORTEnv alloc] initWithLoggingLevel:ORTLoggingLevelWarning
error:&err];
ORTAssertNullableResultSuccessful(_ortEnv, err);
}
- (void)tearDown {
_ortEnv = nil;
[super tearDown];
}
// model with an Add op
// inputs: A, B
// output: C = A + B
+ (NSString*)getAddModelPath {
NSBundle* bundle = [NSBundle bundleForClass:[ORTSessionTest class]];
NSString* path = [bundle pathForResource:@"single_add.basic"
ofType:@"ort"];
return path;
}
+ (NSString*)getStringModelPath {
NSBundle* bundle = [NSBundle bundleForClass:[ORTSessionTest class]];
NSString* path = [bundle pathForResource:@"identity_string"
ofType:@"ort"];
return path;
}
+ (NSMutableData*)dataWithScalarFloat:(float)value {
NSMutableData* data = [[NSMutableData alloc] initWithBytes:&value length:sizeof(value)];
return data;
}
+ (ORTValue*)ortValueWithScalarFloatData:(NSMutableData*)data {
NSArray<NSNumber*>* shape = @[ @1 ];
NSError* err = nil;
ORTValue* ortValue = [[ORTValue alloc] initWithTensorData:data
elementType:ORTTensorElementDataTypeFloat
shape:shape
error:&err];
ORTAssertNullableResultSuccessful(ortValue, err);
return ortValue;
}
+ (ORTSessionOptions*)makeSessionOptions {
NSError* err = nil;
ORTSessionOptions* sessionOptions = [[ORTSessionOptions alloc] initWithError:&err];
ORTAssertNullableResultSuccessful(sessionOptions, err);
return sessionOptions;
}
+ (ORTRunOptions*)makeRunOptions {
NSError* err = nil;
ORTRunOptions* runOptions = [[ORTRunOptions alloc] initWithError:&err];
ORTAssertNullableResultSuccessful(runOptions, err);
return runOptions;
}
- (void)testInitAndRunWithPreallocatedOutputOk {
NSMutableData* aData = [ORTSessionTest dataWithScalarFloat:1.0f];
NSMutableData* bData = [ORTSessionTest dataWithScalarFloat:2.0f];
NSMutableData* cData = [ORTSessionTest dataWithScalarFloat:0.0f];
ORTValue* a = [ORTSessionTest ortValueWithScalarFloatData:aData];
ORTValue* b = [ORTSessionTest ortValueWithScalarFloatData:bData];
ORTValue* c = [ORTSessionTest ortValueWithScalarFloatData:cData];
NSError* err = nil;
ORTSession* session = [[ORTSession alloc] initWithEnv:self.ortEnv
modelPath:[ORTSessionTest getAddModelPath]
sessionOptions:[ORTSessionTest makeSessionOptions]
error:&err];
ORTAssertNullableResultSuccessful(session, err);
BOOL runResult = [session runWithInputs:@{@"A" : a, @"B" : b}
outputs:@{@"C" : c}
runOptions:[ORTSessionTest makeRunOptions]
error:&err];
ORTAssertBoolResultSuccessful(runResult, err);
const float cExpected = 3.0f;
float cActual;
memcpy(&cActual, cData.bytes, sizeof(float));
XCTAssertEqual(cActual, cExpected);
}
- (void)testInitAndRunOk {
NSMutableData* aData = [ORTSessionTest dataWithScalarFloat:1.0f];
NSMutableData* bData = [ORTSessionTest dataWithScalarFloat:2.0f];
ORTValue* a = [ORTSessionTest ortValueWithScalarFloatData:aData];
ORTValue* b = [ORTSessionTest ortValueWithScalarFloatData:bData];
NSError* err = nil;
ORTSession* session = [[ORTSession alloc] initWithEnv:self.ortEnv
modelPath:[ORTSessionTest getAddModelPath]
sessionOptions:[ORTSessionTest makeSessionOptions]
error:&err];
ORTAssertNullableResultSuccessful(session, err);
NSDictionary<NSString*, ORTValue*>* outputs =
[session runWithInputs:@{@"A" : a, @"B" : b}
outputNames:[NSSet setWithArray:@[ @"C" ]]
runOptions:[ORTSessionTest makeRunOptions]
error:&err];
ORTAssertNullableResultSuccessful(outputs, err);
ORTValue* cOutput = outputs[@"C"];
XCTAssertNotNil(cOutput);
NSData* cData = [cOutput tensorDataWithError:&err];
ORTAssertNullableResultSuccessful(cData, err);
const float cExpected = 3.0f;
float cActual;
memcpy(&cActual, cData.bytes, sizeof(float));
XCTAssertEqual(cActual, cExpected);
}
- (void)testGetNamesOk {
NSError* err = nil;
ORTSession* session = [[ORTSession alloc] initWithEnv:self.ortEnv
modelPath:[ORTSessionTest getAddModelPath]
sessionOptions:[ORTSessionTest makeSessionOptions]
error:&err];
ORTAssertNullableResultSuccessful(session, err);
NSArray<NSString*>* inputNames = [session inputNamesWithError:&err];
ORTAssertNullableResultSuccessful(inputNames, err);
XCTAssertEqualObjects(inputNames, (@[ @"A", @"B" ]));
NSArray<NSString*>* overridableInitializerNames = [session overridableInitializerNamesWithError:&err];
ORTAssertNullableResultSuccessful(overridableInitializerNames, err);
XCTAssertEqualObjects(overridableInitializerNames, (@[]));
NSArray<NSString*>* outputNames = [session outputNamesWithError:&err];
ORTAssertNullableResultSuccessful(outputNames, err);
XCTAssertEqualObjects(outputNames, (@[ @"C" ]));
}
- (void)testInitFailsWithInvalidPath {
NSString* invalidModelPath = @"invalid/path/to/model.ort";
NSError* err = nil;
ORTSession* session = [[ORTSession alloc] initWithEnv:self.ortEnv
modelPath:invalidModelPath
sessionOptions:[ORTSessionTest makeSessionOptions]
error:&err];
ORTAssertNullableResultUnsuccessful(session, err);
}
- (void)testRunFailsWithInvalidInput {
NSMutableData* dData = [ORTSessionTest dataWithScalarFloat:1.0f];
NSMutableData* cData = [ORTSessionTest dataWithScalarFloat:0.0f];
ORTValue* d = [ORTSessionTest ortValueWithScalarFloatData:dData];
ORTValue* c = [ORTSessionTest ortValueWithScalarFloatData:cData];
NSError* err = nil;
ORTSession* session = [[ORTSession alloc] initWithEnv:self.ortEnv
modelPath:[ORTSessionTest getAddModelPath]
sessionOptions:[ORTSessionTest makeSessionOptions]
error:&err];
ORTAssertNullableResultSuccessful(session, err);
BOOL runResult = [session runWithInputs:@{@"D" : d}
outputs:@{@"C" : c}
runOptions:[ORTSessionTest makeRunOptions]
error:&err];
ORTAssertBoolResultUnsuccessful(runResult, err);
}
- (void)testAppendCoreMLEP {
NSError* err = nil;
ORTSessionOptions* sessionOptions = [ORTSessionTest makeSessionOptions];
ORTCoreMLExecutionProviderOptions* coreMLOptions = [[ORTCoreMLExecutionProviderOptions alloc] init];
coreMLOptions.enableOnSubgraphs = YES; // set an arbitrary option
BOOL appendResult = [sessionOptions appendCoreMLExecutionProviderWithOptions:coreMLOptions
error:&err];
if (!ORTIsCoreMLExecutionProviderAvailable()) {
ORTAssertBoolResultUnsuccessful(appendResult, err);
return;
}
ORTAssertBoolResultSuccessful(appendResult, err);
ORTSession* session = [[ORTSession alloc] initWithEnv:self.ortEnv
modelPath:[ORTSessionTest getAddModelPath]
sessionOptions:sessionOptions
error:&err];
ORTAssertNullableResultSuccessful(session, err);
}
- (void)testAppendXnnpackEP {
NSError* err = nil;
ORTSessionOptions* sessionOptions = [ORTSessionTest makeSessionOptions];
ORTXnnpackExecutionProviderOptions* XnnpackOptions = [[ORTXnnpackExecutionProviderOptions alloc] init];
XnnpackOptions.intra_op_num_threads = 2;
BOOL appendResult = [sessionOptions appendXnnpackExecutionProviderWithOptions:XnnpackOptions
error:&err];
// Without xnnpack EP in building also can pass the test
NSString* err_msg = [err localizedDescription];
if (!appendResult && [err_msg containsString:@"XNNPACK execution provider is not supported in this build. "]) {
return;
}
ORTAssertBoolResultSuccessful(appendResult, err);
ORTSession* session = [[ORTSession alloc] initWithEnv:self.ortEnv
modelPath:[ORTSessionTest getAddModelPath]
sessionOptions:sessionOptions
error:&err];
ORTAssertNullableResultSuccessful(session, err);
}
static bool gDummyRegisterCustomOpsFnCalled = false;
static OrtStatus* _Nullable DummyRegisterCustomOpsFn(OrtSessionOptions* /*session_options*/,
const OrtApiBase* /*api*/) {
gDummyRegisterCustomOpsFnCalled = true;
return nullptr;
}
- (void)testRegisterCustomOpsUsingFunctionPointer {
NSError* err = nil;
ORTSessionOptions* sessionOptions = [ORTSessionTest makeSessionOptions];
gDummyRegisterCustomOpsFnCalled = false;
BOOL registerResult = [sessionOptions registerCustomOpsUsingFunctionPointer:&DummyRegisterCustomOpsFn
error:&err];
ORTAssertBoolResultSuccessful(registerResult, err);
XCTAssertEqual(gDummyRegisterCustomOpsFnCalled, true);
}
- (void)testStringInputs {
NSError* err = nil;
NSArray<NSString*>* stringData = @[ @"ONNX Runtime", @"is the", @"best", @"AI Framework" ];
ORTValue* stringValue = [[ORTValue alloc] initWithTensorStringData:stringData shape:@[ @2, @2 ] error:&err];
ORTAssertNullableResultSuccessful(stringValue, err);
ORTSession* session = [[ORTSession alloc] initWithEnv:self.ortEnv
modelPath:[ORTSessionTest getStringModelPath]
sessionOptions:[ORTSessionTest makeSessionOptions]
error:&err];
ORTAssertNullableResultSuccessful(session, err);
NSDictionary<NSString*, ORTValue*>* outputs =
[session runWithInputs:@{@"input:0" : stringValue}
outputNames:[NSSet setWithArray:@[ @"output:0" ]]
runOptions:[ORTSessionTest makeRunOptions]
error:&err];
ORTAssertNullableResultSuccessful(outputs, err);
ORTValue* outputStringValue = outputs[@"output:0"];
XCTAssertNotNil(outputStringValue);
NSArray<NSString*>* outputStringData = [outputStringValue tensorStringDataWithError:&err];
ORTAssertNullableResultSuccessful(outputStringData, err);
XCTAssertEqual([stringData count], [outputStringData count]);
XCTAssertTrue([stringData isEqualToArray:outputStringData]);
}
- (void)testKeepORTEnvReference {
ORTEnv* __weak envWeak = _ortEnv;
// Remove sole strong reference to the ORTEnv created in setUp.
_ortEnv = nil;
// There should be no more strong references to it.
XCTAssertNil(envWeak);
// Create a new ORTEnv.
NSError* err = nil;
ORTEnv* env = [[ORTEnv alloc] initWithLoggingLevel:ORTLoggingLevelWarning
error:&err];
ORTAssertNullableResultSuccessful(env, err);
ORTSession* session = [[ORTSession alloc] initWithEnv:env
modelPath:[ORTSessionTest getAddModelPath]
sessionOptions:[ORTSessionTest makeSessionOptions]
error:&err];
ORTAssertNullableResultSuccessful(session, err);
envWeak = env;
// Remove strong reference to the ORTEnv passed to the ORTSession initializer.
env = nil;
// ORTSession should keep a strong reference to it.
XCTAssertNotNil(envWeak);
}
@end
NS_ASSUME_NONNULL_END