Resolve nested boolean predicate helpers for path binding.

Recursively peel predicate chains like matchesOrder -> isOrderKey(normalize(raw)) when extracting if-chain literals and inlining branch constraints, with regression tests for static-import, multi-module, and nested forms.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
2026-07-14 18:21:04 +02:00
parent 610c83a7ec
commit 80b784da29
3 changed files with 357 additions and 16 deletions

View File

@@ -1182,6 +1182,44 @@ class EntryPointBindingExpanderTest {
elseIfConstraint, Map.of("machineType", "ORDER"))).isFalse();
}
@Test
void shouldInlineNestedBooleanPredicateConstraint(@TempDir Path tempDir) throws Exception {
String source = """
package com.example;
class StateMachineDispatcher {
void dispatch(String machineType, String eventString) {
if (matchesOrder(machineType)) {
OrderEvent.valueOf(eventString.toUpperCase());
}
}
boolean matchesOrder(String raw) {
return isOrderKey(normalize(raw));
}
String normalize(String raw) {
return raw.trim();
}
boolean isOrderKey(String normalized) {
return "ORDER".equalsIgnoreCase(normalized);
}
}
enum OrderEvent { PAY, SHIP }
""";
Files.writeString(tempDir.resolve("App.java"), source);
CodebaseContext context = new CodebaseContext();
context.setResolveBindings(true);
context.scan(tempDir);
String caller = "com.example.StateMachineDispatcher.dispatch";
String constraint = EntryPointBindingExpander.inlineBooleanPredicateConstraint(
"matchesOrder(machineType)", caller, context);
assertThat(constraint).contains("normalize(machineType)");
assertThat(BooleanConstraintEvaluator.isCompatibleWithBindings(
constraint, Map.of("machineType", "ORDER"))).isTrue();
assertThat(BooleanConstraintEvaluator.isCompatibleWithBindings(
constraint, Map.of("machineType", "DOCUMENT"))).isFalse();
}
@Test
void shouldFilterDelegatedBranchesUsingBooleanPredicateConstraints(@TempDir Path tempDir) throws Exception {
String source = """
@@ -1434,4 +1472,139 @@ class EntryPointBindingExpanderTest {
assertThat(variants).isEmpty();
}
@Test
void shouldExpandMachineTypeFromStaticImportBooleanPredicate(@TempDir Path tempDir) throws Exception {
String source = """
package com.example;
import static com.example.TypeMatcher.matchesOrder;
import static com.example.TypeMatcher.matchesDocument;
public class MachineController {
StateMachineDispatcher dispatcher;
public void transition(String machineType, String event) {
dispatcher.dispatch(machineType, event);
}
}
class StateMachineDispatcher {
void dispatch(String machineType, String eventString) {
if (matchesOrder(machineType)) {
OrderEvent.valueOf(eventString.toUpperCase());
} else if (matchesDocument(machineType)) {
DocumentEvent.valueOf(eventString.toUpperCase());
}
}
}
class TypeMatcher {
static boolean matchesOrder(String raw) {
return "ORDER".equalsIgnoreCase(raw.trim());
}
static boolean matchesDocument(String raw) {
return "DOCUMENT".equalsIgnoreCase(raw.trim());
}
}
enum OrderEvent { PAY, SHIP }
enum DocumentEvent { SUBMIT, APPROVE }
""";
Files.writeString(tempDir.resolve("App.java"), source);
CodebaseContext context = new CodebaseContext();
context.setResolveBindings(true);
context.scan(tempDir);
HeuristicCallGraphEngine engine = new HeuristicCallGraphEngine(context);
Map<String, List<click.kamil.springstatemachineexporter.analysis.model.CallEdge>> graph = engine.buildCallGraph();
EntryPoint entryPoint = EntryPoint.builder()
.className("com.example.MachineController")
.methodName("transition")
.name("POST /api/machine/{machineType}/transition/{event}")
.parameters(List.of(
EntryPoint.Parameter.builder()
.name("machineType")
.type("String")
.annotations(List.of("PathVariable"))
.build(),
EntryPoint.Parameter.builder()
.name("event")
.type("String")
.annotations(List.of("PathVariable"))
.build()))
.build();
List<Map<String, String>> variants =
EntryPointBindingExpander.expandPathVariableBindings(entryPoint, context, graph);
assertThat(variants.stream().map(v -> v.get("machineType")).distinct())
.containsExactlyInAnyOrder("ORDER", "DOCUMENT");
}
@Test
void shouldExpandMachineTypeFromNestedBooleanPredicateHelper(@TempDir Path tempDir) throws Exception {
String source = """
package com.example;
public class MachineController {
StateMachineDispatcher dispatcher;
public void transition(String machineType, String event) {
dispatcher.dispatch(machineType, event);
}
}
class StateMachineDispatcher {
void dispatch(String machineType, String eventString) {
if (matchesOrder(machineType)) {
OrderEvent.valueOf(eventString.toUpperCase());
} else if (matchesDocument(machineType)) {
DocumentEvent.valueOf(eventString.toUpperCase());
}
}
boolean matchesOrder(String raw) {
return isOrderKey(normalize(raw));
}
boolean matchesDocument(String raw) {
return isDocumentKey(normalize(raw));
}
String normalize(String raw) {
return raw.trim();
}
boolean isOrderKey(String normalized) {
return "ORDER".equalsIgnoreCase(normalized);
}
boolean isDocumentKey(String normalized) {
return "DOCUMENT".equalsIgnoreCase(normalized);
}
}
enum OrderEvent { PAY, SHIP }
enum DocumentEvent { SUBMIT, APPROVE }
""";
Files.writeString(tempDir.resolve("App.java"), source);
CodebaseContext context = new CodebaseContext();
context.setResolveBindings(true);
context.scan(tempDir);
HeuristicCallGraphEngine engine = new HeuristicCallGraphEngine(context);
Map<String, List<click.kamil.springstatemachineexporter.analysis.model.CallEdge>> graph = engine.buildCallGraph();
EntryPoint entryPoint = EntryPoint.builder()
.className("com.example.MachineController")
.methodName("transition")
.name("POST /api/machine/{machineType}/transition/{event}")
.parameters(List.of(
EntryPoint.Parameter.builder()
.name("machineType")
.type("String")
.annotations(List.of("PathVariable"))
.build(),
EntryPoint.Parameter.builder()
.name("event")
.type("String")
.annotations(List.of("PathVariable"))
.build()))
.build();
List<Map<String, String>> variants =
EntryPointBindingExpander.expandPathVariableBindings(entryPoint, context, graph);
assertThat(variants.stream().map(v -> v.get("machineType")).distinct())
.containsExactlyInAnyOrder("ORDER", "DOCUMENT");
}
}

View File

@@ -265,4 +265,87 @@ class MultiModulePathBindingExpanderTest {
.toList())
.containsExactlyInAnyOrder("PAY", "SHIP");
}
@Test
void shouldExpandMachineTypeFromBooleanPredicateInSiblingModule(@TempDir Path tempDir) throws Exception {
Path root = tempDir.resolve("enterprise-style");
Files.createDirectories(root);
Files.writeString(root.resolve("settings.gradle"), "include 'api-module', 'core-module'");
Path apiModule = root.resolve("api-module");
Files.createDirectories(apiModule.resolve("src/main/java/com/example/util"));
Files.writeString(apiModule.resolve("build.gradle"), "");
Files.writeString(apiModule.resolve("src/main/java/com/example/util/MachineTypeMatcher.java"), """
package com.example.util;
public class MachineTypeMatcher {
public static boolean matchesOrder(String raw) {
return "ORDER".equalsIgnoreCase(raw.trim());
}
public static boolean matchesDocument(String raw) {
return "DOCUMENT".equalsIgnoreCase(raw.trim());
}
}
""");
Path coreModule = root.resolve("core-module");
Files.createDirectories(coreModule.resolve("src/main/java/com/example"));
Files.writeString(coreModule.resolve("build.gradle"),
"dependencies { implementation project(':api-module') }");
Files.writeString(coreModule.resolve("src/main/java/com/example/MachineController.java"), """
package com.example;
import com.example.util.MachineTypeMatcher;
public class MachineController {
StateMachineDispatcher dispatcher;
public void transition(String machineType, String event) {
dispatcher.dispatch(machineType, event);
}
}
class StateMachineDispatcher {
void dispatch(String machineType, String eventString) {
if (MachineTypeMatcher.matchesOrder(machineType)) {
OrderEvent.valueOf(eventString.toUpperCase());
} else if (MachineTypeMatcher.matchesDocument(machineType)) {
DocumentEvent.valueOf(eventString.toUpperCase());
}
}
}
enum OrderEvent { PAY, SHIP }
enum DocumentEvent { SUBMIT, APPROVE }
""");
SiblingDependencyResolver siblingResolver = new SiblingDependencyResolver();
ProjectModuleGraph graph = siblingResolver.analyzeProject(coreModule);
Set<Path> scanPaths = graph.resolveScanPaths(coreModule, false);
CodebaseContext context = new CodebaseContext();
context.setResolveBindings(true);
context.scan(scanPaths, Collections.emptySet());
HeuristicCallGraphEngine engine = new HeuristicCallGraphEngine(context);
Map<String, List<click.kamil.springstatemachineexporter.analysis.model.CallEdge>> callGraph =
engine.buildCallGraph();
EntryPoint entryPoint = EntryPoint.builder()
.className("com.example.MachineController")
.methodName("transition")
.name("POST /api/machine/{machineType}/transition/{event}")
.parameters(List.of(
EntryPoint.Parameter.builder()
.name("machineType")
.type("String")
.annotations(List.of("PathVariable"))
.build(),
EntryPoint.Parameter.builder()
.name("event")
.type("String")
.annotations(List.of("PathVariable"))
.build()))
.build();
List<Map<String, String>> variants =
EntryPointBindingExpander.expandPathVariableBindings(entryPoint, context, callGraph);
assertThat(variants.stream().map(v -> v.get("machineType")).distinct())
.containsExactlyInAnyOrder("ORDER", "DOCUMENT");
}
}