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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.modelintegration.evaluator;
import org.junit.jupiter.api.Test;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotSame;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assumptions.assumeTrue;
/**
* @author bjorncs
*/
class OnnxRuntimeTest {
@Test
void reuses_sessions_while_active() {
assumeTrue(OnnxRuntime.isRuntimeAvailable());
OnnxRuntime runtime = new OnnxRuntime();
String model1 = "src/test/models/onnx/simple/simple.onnx";
var evaluator1 = runtime.evaluatorOf(model1);
var evaluator2 = runtime.evaluatorOf(model1);
String model2 = "src/test/models/onnx/simple/matmul.onnx";
var evaluator3 = runtime.evaluatorOf(model2);
assertSameSession(evaluator1, evaluator2);
assertNotSameSession(evaluator1, evaluator3);
assertEquals(2, runtime.sessionsCached());
evaluator1.close();
evaluator2.close();
assertEquals(1, runtime.sessionsCached());
assertClosed(evaluator1);
assertNotClosed(evaluator3);
evaluator3.close();
assertEquals(0, runtime.sessionsCached());
assertClosed(evaluator3);
var session4 = runtime.evaluatorOf(model1);
assertNotSameSession(evaluator1, session4);
assertEquals(1, runtime.sessionsCached());
session4.close();
assertEquals(0, runtime.sessionsCached());
assertClosed(session4);
}
@Test
void loads_model_from_byte_array() throws IOException {
assumeTrue(OnnxRuntime.isRuntimeAvailable());
var runtime = new OnnxRuntime();
byte[] bytes = Files.readAllBytes(Paths.get("src/test/models/onnx/simple/simple.onnx"));
var evaluator1 = runtime.evaluatorOf(bytes);
var evaluator2 = runtime.evaluatorOf(bytes);
assertEquals(3, evaluator1.getInputs().size());
assertEquals(1, runtime.sessionsCached());
assertSameSession(evaluator1, evaluator2);
evaluator2.close();
evaluator1.close();
assertEquals(0, runtime.sessionsCached());
assertClosed(evaluator1);
}
@Test
void loading_same_model_from_bytes_and_file_resolve_to_same_instance() throws IOException {
assumeTrue(OnnxRuntime.isRuntimeAvailable());
var runtime = new OnnxRuntime();
String modelPath = "src/test/models/onnx/simple/simple.onnx";
byte[] bytes = Files.readAllBytes(Paths.get(modelPath));
try (var evaluator1 = runtime.evaluatorOf(bytes);
var evaluator2 = runtime.evaluatorOf(modelPath)) {
assertSameSession(evaluator1, evaluator2);
assertEquals(1, runtime.sessionsCached());
}
}
private static void assertClosed(OnnxEvaluator evaluator) { assertTrue(isClosed(evaluator), "Session is not closed"); }
private static void assertNotClosed(OnnxEvaluator evaluator) { assertFalse(isClosed(evaluator), "Session is closed"); }
private static void assertSameSession(OnnxEvaluator evaluator1, OnnxEvaluator evaluator2) {
assertSame(evaluator1.ortSession(), evaluator2.ortSession());
}
private static void assertNotSameSession(OnnxEvaluator evaluator1, OnnxEvaluator evaluator2) {
assertNotSame(evaluator1.ortSession(), evaluator2.ortSession());
}
private static boolean isClosed(OnnxEvaluator evaluator) {
try {
evaluator.getInputs();
return false;
} catch (IllegalStateException e) {
assertEquals("Asking for inputs from a closed OrtSession.", e.getMessage());
return true;
}
}
}
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