Added text embedder objective c tests
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Prianka Liz Kariat
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867520af1c
commit
474e994a5f
55
mediapipe/tasks/ios/test/text/text_embedder/BUILD
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55
mediapipe/tasks/ios/test/text/text_embedder/BUILD
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load(
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"@build_bazel_rules_apple//apple:ios.bzl",
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"ios_unit_test",
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)
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load(
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"@build_bazel_rules_swift//swift:swift.bzl",
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"swift_library",
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)
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load(
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"//mediapipe/tasks:ios/ios.bzl",
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"MPP_TASK_MINIMUM_OS_VERSION",
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)
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load(
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"@org_tensorflow//tensorflow/lite:special_rules.bzl",
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"tflite_ios_lab_runner",
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)
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package(default_visibility = ["//mediapipe/tasks:internal"])
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licenses(["notice"])
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# Default tags for filtering iOS targets. Targets are restricted to Apple platforms.
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TFL_DEFAULT_TAGS = [
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"apple",
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]
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# Following sanitizer tests are not supported by iOS test targets.
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TFL_DISABLED_SANITIZER_TAGS = [
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"noasan",
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"nomsan",
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"notsan",
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]
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objc_library(
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name = "MPPTextEmbedderObjcTestLibrary",
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testonly = 1,
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srcs = ["MPPTextEmbedderTests.m"],
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data = [
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"//mediapipe/tasks/testdata/text:mobilebert_embedding_model",
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"//mediapipe/tasks/testdata/text:regex_embedding_with_metadata",
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],
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deps = [
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"//mediapipe/tasks/ios/common:MPPCommon",
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"//mediapipe/tasks/ios/text/text_embedder:MPPTextEmbedder",
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],
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)
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ios_unit_test(
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name = "MPPTextEmbedderObjcTest",
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minimum_os_version = MPP_TASK_MINIMUM_OS_VERSION,
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runner = tflite_ios_lab_runner("IOS_LATEST"),
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deps = [
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":MPPTextEmbedderObjcTestLibrary",
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],
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)
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// Copyright 2023 The MediaPipe Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import <XCTest/XCTest.h>
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#import "mediapipe/tasks/ios/common/sources/MPPCommon.h"
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#import "mediapipe/tasks/ios/text/text_embedder/sources/MPPTextEmbedder.h"
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static NSString *const kBertTextEmbedderModelName = @"mobilebert_embedding_with_metadata";
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static NSString *const kRegexTextEmbedderModelName = @"regex_one_embedding_with_metadata";
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static NSString *const kText1 = @"it's a charming and often affecting journey";
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static NSString *const kText2 = @"what a great and fantastic trip";
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static NSString *const kExpectedErrorDomain = @"com.google.mediapipe.tasks";
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static const float kFloatDiffTolerance = 1e-4;
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static const float kDoubleDiffTolerance = 1e-4;
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#define AssertEqualErrors(error, expectedError) \
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XCTAssertNotNil(error); \
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XCTAssertEqualObjects(error.domain, expectedError.domain); \
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XCTAssertEqual(error.code, expectedError.code); \
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XCTAssertNotEqual( \
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[error.localizedDescription rangeOfString:expectedError.localizedDescription].location, \
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NSNotFound)
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#define AssertTextEmbedderResultHasOneEmbedding(textEmbedderResult) \
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XCTAssertNotNil(textEmbedderResult); \
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XCTAssertNotNil(textEmbedderResult.embeddingResult); \
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XCTAssertEqual(textEmbedderResult.embeddingResult.embeddings.count, 1);
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#define AssertEmbeddingIsFloat(embedding) \
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XCTAssertNotNil(embedding.floatEmbedding); \
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XCTAssertNil(embedding.quantizedEmbedding);
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#define AssertFloatEmbeddingHasExpectedValues(floatEmbedding, expectedLength, expectedFirstValue) \
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XCTAssertEqual(floatEmbedding.count, expectedLength); \
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XCTAssertEqualWithAccuracy(floatEmbedding[0].floatValue, expectedFirstValue, kFloatDiffTolerance);
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@interface MPPTextEmbedderTests : XCTestCase
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@end
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@implementation MPPTextEmbedderTests
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- (NSString *)filePathWithName:(NSString *)fileName extension:(NSString *)extension {
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NSString *filePath = [[NSBundle bundleForClass:self.class] pathForResource:fileName
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ofType:extension];
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return filePath;
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}
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- (MPPTextEmbedder *)textEmbedderFromModelFileWithName:(NSString *)modelName {
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NSString *modelPath = [self filePathWithName:modelName extension:@"tflite"];
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NSError *error = nil;
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MPPTextEmbedder *textEmbedder = [[MPPTextEmbedder alloc] initWithModelPath:modelPath
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error:&error];
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XCTAssertNotNil(textEmbedder);
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return textEmbedder;
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}
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- (NSArray<NSNumber *> *)assertFloatEmbeddingResultsOfEmbedText:(NSString *)text
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usingTextEmbedder:(MPPTextEmbedder *)textEmbedder
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hasCount:(NSUInteger)embeddingCount
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firstValue:(float)firstValue {
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MPPTextEmbedderResult *embedderResult = [textEmbedder embedText:text error:nil];
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AssertTextEmbedderResultHasOneEmbedding(embedderResult);
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AssertEmbeddingIsFloat(embedderResult.embeddingResult.embeddings[0]);
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AssertFloatEmbeddingHasExpectedValues(embedderResult.embeddingResult.embeddings[0].floatEmbedding,
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embeddingCount, firstValue);
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return embedderResult.embeddingResult.embeddings[0];
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}
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- (void)testCreateTextEmbedderFailsWithMissingModelPath {
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NSString *modelPath = [self filePathWithName:@"" extension:@""];
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NSError *error = nil;
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MPPTextEmbedder *textEmbedder = [[MPPTextEmbedder alloc] initWithModelPath:modelPath
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error:&error];
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XCTAssertNil(textEmbedder);
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NSError *expectedError = [NSError
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errorWithDomain:kExpectedErrorDomain
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code:MPPTasksErrorCodeInvalidArgumentError
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userInfo:@{
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NSLocalizedDescriptionKey :
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@"INVALID_ARGUMENT: ExternalFile must specify at least one of 'file_content', "
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@"'file_name', 'file_pointer_meta' or 'file_descriptor_meta'."
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}];
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AssertEqualErrors(error, expectedError);
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}
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- (void)testEmbedWithBertSucceeds {
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MPPTextEmbedder *textEmbedder =
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[self textEmbedderFromModelFileWithName:kBertTextEmbedderModelName];
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MPPEmbedding *embedding1 = [self assertFloatEmbeddingResultsOfEmbedText:kText1
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usingTextEmbedder:textEmbedder
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hasCount:512
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firstValue:20.057026f];
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MPPEmbedding *embedding2 = [self assertFloatEmbeddingResultsOfEmbedText:kText2
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usingTextEmbedder:textEmbedder
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hasCount:512
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firstValue:21.254150f];
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NSNumber *cosineSimilarity = [MPPTextEmbedder cosineSimilarityBetweenEmbedding1:embedding1
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andEmbedding2:embedding2
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error:nil];
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XCTAssertEqualWithAccuracy(cosineSimilarity.doubleValue, 0.96386, kDoubleDiffTolerance);
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}
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- (void)testEmbedWithRegexSucceeds {
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MPPTextEmbedder *textEmbedder =
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[self textEmbedderFromModelFileWithName:kRegexTextEmbedderModelName];
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MPPEmbedding *embedding1 = [self assertFloatEmbeddingResultsOfEmbedText:kText1
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usingTextEmbedder:textEmbedder
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hasCount:16
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firstValue:0.030935612f];
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MPPEmbedding *embedding2 = [self assertFloatEmbeddingResultsOfEmbedText:kText2
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usingTextEmbedder:textEmbedder
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hasCount:16
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firstValue:0.0312863f];
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NSNumber *cosineSimilarity = [MPPTextEmbedder cosineSimilarityBetweenEmbedding1:embedding1
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andEmbedding2:embedding2
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error:nil];
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XCTAssertEqualWithAccuracy(cosineSimilarity.doubleValue, 0.999937f, kDoubleDiffTolerance);
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}
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@end
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