heuristics classpath

This commit is contained in:
2026-06-21 07:51:25 +02:00
parent e06429cb02
commit 9f651e7dc9
6 changed files with 469 additions and 25 deletions

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package click.kamil.springstatemachineexporter.analysis.service;
import org.junit.jupiter.api.Tag;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.io.TempDir;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
@Tag("dynamic_classpath_resolver")
class DynamicClasspathResolverTest {
@Test
void shouldResolveMavenClasspathDynamically(@TempDir Path tempDir) throws IOException {
// Create dummy pom.xml
Files.createFile(tempDir.resolve("pom.xml"));
// Mock the resolver so it doesn't actually run maven, but writes the expected output file
DynamicClasspathResolver resolver = new DynamicClasspathResolver() {
@Override
protected void runProcess(ProcessBuilder pb) throws IOException {
// Pretend maven executed and generated the cp.txt
String cp = "/fake/m2/repo/spring-core.jar" + File.pathSeparator + "/fake/m2/repo/spring-context.jar";
String outputFileArg = pb.command().stream()
.filter(arg -> arg.startsWith("-Dmdep.outputFile="))
.findFirst()
.orElseThrow();
Path outputFile = Path.of(outputFileArg.substring("-Dmdep.outputFile=".length()));
Files.writeString(outputFile, cp);
}
};
List<String> classpath = resolver.resolveClasspath(tempDir);
assertThat(classpath).containsExactly(
"/fake/m2/repo/spring-core.jar",
"/fake/m2/repo/spring-context.jar"
);
}
@Test
void shouldResolveGradleClasspathDynamically(@TempDir Path tempDir) throws IOException {
// Create dummy build.gradle
Files.createFile(tempDir.resolve("build.gradle"));
DynamicClasspathResolver resolver = new DynamicClasspathResolver() {
@Override
protected String runProcessAndGetOutput(ProcessBuilder pb) {
// Pretend gradle executed and printed the marker
String cp = "/fake/gradle/caches/spring-core.jar" + File.pathSeparator + "/fake/gradle/caches/spring-context.jar";
return "Some noisy gradle output\n" +
"SME_CLASSPATH_MARKER:" + cp + "\n" +
"BUILD SUCCESSFUL\n";
}
};
List<String> classpath = resolver.resolveClasspath(tempDir);
assertThat(classpath).containsExactly(
"/fake/gradle/caches/spring-core.jar",
"/fake/gradle/caches/spring-context.jar"
);
}
@Test
void shouldReturnEmptyListIfNoBuildFileFound(@TempDir Path tempDir) {
DynamicClasspathResolver resolver = new DynamicClasspathResolver();
List<String> classpath = resolver.resolveClasspath(tempDir);
assertThat(classpath).isEmpty();
}
}

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package click.kamil.springstatemachineexporter.analysis.service;
import click.kamil.springstatemachineexporter.analysis.model.TriggerPoint;
import click.kamil.springstatemachineexporter.analysis.resolver.ConstantResolver;
import click.kamil.springstatemachineexporter.ast.common.CodebaseContext;
import org.junit.jupiter.api.Tag;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.io.TempDir;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Collections;
import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
@Tag("control_flow_sibling_avoidance")
class GenericEventDetectorControlFlowTest {
@Test
void shouldDetectStateFromDirectIfWrapper(@TempDir Path tempDir) throws IOException {
String source = """
package com.example;
public class OrderService {
private StateMachine sm;
public void processOrder(OrderState state) {
if (state == OrderState.PENDING) {
sm.sendEvent(OrderEvent.PAY);
}
}
}
class StateMachine {
public void sendEvent(OrderEvent e) {}
}
enum OrderState { PENDING }
enum OrderEvent { PAY }
""";
Files.writeString(tempDir.resolve("OrderService.java"), source);
CodebaseContext context = new CodebaseContext();
context.scan(tempDir);
GenericEventDetector detector = new GenericEventDetector(context, new ConstantResolver(), Collections.emptyList());
List<TriggerPoint> triggers = detector.detect((org.eclipse.jdt.core.dom.CompilationUnit) context.getTypeDeclaration("com.example.OrderService").getRoot());
assertThat(triggers).hasSize(1);
TriggerPoint tp = triggers.get(0);
assertThat(tp.getEvent()).isEqualTo("OrderEvent.PAY");
assertThat(tp.getSourceState()).isEqualTo("PENDING");
}
@Test
void shouldDetectStateFromGuardClauseSibling(@TempDir Path tempDir) throws IOException {
String source = """
package com.example;
public class OrderService {
private StateMachine sm;
public void processOrder(OrderState state) {
if (state != OrderState.PENDING) {
return;
}
sm.sendEvent(OrderEvent.PAY);
}
}
class StateMachine {
public void sendEvent(OrderEvent e) {}
}
enum OrderState { PENDING }
enum OrderEvent { PAY }
""";
Files.writeString(tempDir.resolve("OrderService.java"), source);
CodebaseContext context = new CodebaseContext();
context.scan(tempDir);
GenericEventDetector detector = new GenericEventDetector(context, new ConstantResolver(), Collections.emptyList());
List<TriggerPoint> triggers = detector.detect((org.eclipse.jdt.core.dom.CompilationUnit) context.getTypeDeclaration("com.example.OrderService").getRoot());
assertThat(triggers).hasSize(1);
TriggerPoint tp = triggers.get(0);
assertThat(tp.getEvent()).isEqualTo("OrderEvent.PAY");
assertThat(tp.getSourceState()).isEqualTo("PENDING");
}
@Test
void shouldDetectStateFromSwitchCaseSibling(@TempDir Path tempDir) throws IOException {
String source = """
package com.example;
public class OrderService {
private StateMachine sm;
public void processOrder(OrderState state) {
switch (state) {
case PENDING:
sm.sendEvent(OrderEvent.PAY);
break;
case PAID:
sm.sendEvent(OrderEvent.SHIP);
break;
}
}
}
class StateMachine {
public void sendEvent(OrderEvent e) {}
}
enum OrderState { PENDING, PAID }
enum OrderEvent { PAY, SHIP }
""";
Files.writeString(tempDir.resolve("OrderService.java"), source);
CodebaseContext context = new CodebaseContext();
context.scan(tempDir);
GenericEventDetector detector = new GenericEventDetector(context, new ConstantResolver(), Collections.emptyList());
List<TriggerPoint> triggers = detector.detect((org.eclipse.jdt.core.dom.CompilationUnit) context.getTypeDeclaration("com.example.OrderService").getRoot());
assertThat(triggers).hasSize(2);
TriggerPoint payTrigger = triggers.stream().filter(t -> t.getEvent().equals("OrderEvent.PAY")).findFirst().get();
assertThat(payTrigger.getSourceState()).isEqualTo("PENDING");
TriggerPoint shipTrigger = triggers.stream().filter(t -> t.getEvent().equals("OrderEvent.SHIP")).findFirst().get();
assertThat(shipTrigger.getSourceState()).isEqualTo("PAID");
}
}