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831 lines (670 loc) · 22.5 KB
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"""
Java method call parsing and inheritance testing.
Tests method invocations, inheritance patterns, polymorphism,
and method overriding.
"""
from pathlib import Path
from unittest.mock import MagicMock
import pytest
from codebase_rag.graph_updater import GraphUpdater
from codebase_rag.parser_loader import load_parsers
@pytest.fixture
def java_methods_project(temp_repo: Path) -> Path:
"""Create a Java project with method call patterns."""
project_path = temp_repo / "java_methods_test"
project_path.mkdir()
# Create package structure
(project_path / "src").mkdir()
(project_path / "src" / "main").mkdir()
(project_path / "src" / "main" / "java").mkdir()
(project_path / "src" / "main" / "java" / "com").mkdir()
(project_path / "src" / "main" / "java" / "com" / "example").mkdir()
return project_path
def test_basic_method_calls(
java_methods_project: Path,
mock_ingestor: MagicMock,
) -> None:
"""Test basic Java method call parsing."""
test_file = (
java_methods_project
/ "src"
/ "main"
/ "java"
/ "com"
/ "example"
/ "BasicMethodCalls.java"
)
test_file.write_text(
"""
package com.example;
public class BasicMethodCalls {
private String name;
public BasicMethodCalls(String name) {
this.name = name;
}
public void instanceMethod() {
System.out.println("Instance method called");
}
public static void staticMethod() {
System.out.println("Static method called");
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public void demonstrateMethodCalls() {
// Instance method calls
instanceMethod();
this.instanceMethod();
// Getter/setter calls
String currentName = getName();
setName("New Name");
// Static method calls
staticMethod();
BasicMethodCalls.staticMethod();
// Method chaining
String result = getName().toUpperCase().trim();
// System method calls
System.out.println("Name: " + getName());
System.err.println("Error message");
// Math method calls
double sqrt = Math.sqrt(25);
int max = Math.max(10, 20);
}
public void callOtherObject() {
BasicMethodCalls other = new BasicMethodCalls("Other");
other.instanceMethod();
String otherName = other.getName();
other.setName("Modified");
}
}
"""
)
parsers, queries = load_parsers()
if "java" not in parsers:
pytest.skip("Java parser not available")
updater = GraphUpdater(
ingestor=mock_ingestor,
repo_path=java_methods_project,
parsers=parsers,
queries=queries,
)
updater.run()
# Check that method calls were detected by looking at CALLS relationships
call_relationships = [
c
for c in mock_ingestor.ensure_relationship_batch.call_args_list
if len(c.args) > 1 and c.args[1] == "CALLS"
]
assert len(call_relationships) > 0, "No method call relationships found"
def test_inheritance_and_polymorphism(
java_methods_project: Path,
mock_ingestor: MagicMock,
) -> None:
"""Test method calls in inheritance hierarchies."""
test_file = (
java_methods_project
/ "src"
/ "main"
/ "java"
/ "com"
/ "example"
/ "InheritanceExample.java"
)
test_file.write_text(
"""
package com.example;
abstract class Animal {
protected String name;
public Animal(String name) {
this.name = name;
}
public abstract void makeSound();
public void eat() {
System.out.println(name + " is eating");
}
public String getName() {
return name;
}
}
class Dog extends Animal {
private String breed;
public Dog(String name, String breed) {
super(name);
this.breed = breed;
}
@Override
public void makeSound() {
System.out.println(getName() + " barks: Woof!");
}
public void wagTail() {
System.out.println(getName() + " wags tail");
}
public String getBreed() {
return breed;
}
}
class Cat extends Animal {
public Cat(String name) {
super(name);
}
@Override
public void makeSound() {
System.out.println(getName() + " meows: Meow!");
}
public void purr() {
System.out.println(getName() + " purrs");
}
}
public class InheritanceExample {
public void demonstratePolymorphism() {
Animal[] animals = {
new Dog("Buddy", "Golden Retriever"),
new Cat("Whiskers"),
new Dog("Max", "German Shepherd")
};
for (Animal animal : animals) {
animal.makeSound(); // Polymorphic method call
animal.eat(); // Inherited method call
if (animal instanceof Dog) {
Dog dog = (Dog) animal;
dog.wagTail();
System.out.println("Breed: " + dog.getBreed());
} else if (animal instanceof Cat) {
Cat cat = (Cat) animal;
cat.purr();
}
}
}
public void demonstrateSuper() {
Dog dog = new Dog("Rex", "Labrador");
// These will call overridden methods
dog.makeSound();
dog.eat();
// Dog-specific method
dog.wagTail();
// Inherited getter
String name = dog.getName();
String breed = dog.getBreed();
}
}
"""
)
parsers, queries = load_parsers()
if "java" not in parsers:
pytest.skip("Java parser not available")
updater = GraphUpdater(
ingestor=mock_ingestor,
repo_path=java_methods_project,
parsers=parsers,
queries=queries,
)
updater.run()
# Check class definitions
class_calls = [
call
for call in mock_ingestor.ensure_node_batch.call_args_list
if call[0][0] == "Class"
]
created_classes = {call[0][1]["qualified_name"] for call in class_calls}
# Expected class qualified names
project_name = java_methods_project.name
expected_classes = {
f"{project_name}.src.main.java.com.example.InheritanceExample.Animal",
f"{project_name}.src.main.java.com.example.InheritanceExample.Dog",
f"{project_name}.src.main.java.com.example.InheritanceExample.Cat",
f"{project_name}.src.main.java.com.example.InheritanceExample.InheritanceExample",
}
# Verify all expected classes were created
missing_classes = expected_classes - created_classes
assert not missing_classes, (
f"Missing expected classes: {sorted(list(missing_classes))}"
)
# Check method calls via CALLS relationships
call_relationships = [
c
for c in mock_ingestor.ensure_relationship_batch.call_args_list
if len(c.args) > 1 and c.args[1] == "CALLS"
]
assert len(call_relationships) > 0, "No method call relationships found"
def test_interface_method_calls(
java_methods_project: Path,
mock_ingestor: MagicMock,
) -> None:
"""Test method calls through interfaces."""
test_file = (
java_methods_project
/ "src"
/ "main"
/ "java"
/ "com"
/ "example"
/ "InterfaceExample.java"
)
test_file.write_text(
"""
package com.example;
import java.util.*;
interface Drawable {
void draw();
void setColor(String color);
default void clear() {
System.out.println("Clearing drawable");
}
}
interface Resizable {
void resize(double factor);
double getArea();
}
class Rectangle implements Drawable, Resizable {
private double width, height;
private String color;
public Rectangle(double width, double height) {
this.width = width;
this.height = height;
this.color = "black";
}
@Override
public void draw() {
System.out.println("Drawing " + color + " rectangle: " + width + "x" + height);
}
@Override
public void setColor(String color) {
this.color = color;
}
@Override
public void resize(double factor) {
this.width *= factor;
this.height *= factor;
}
@Override
public double getArea() {
return width * height;
}
}
class Circle implements Drawable, Resizable {
private double radius;
private String color;
public Circle(double radius) {
this.radius = radius;
this.color = "black";
}
@Override
public void draw() {
System.out.println("Drawing " + color + " circle with radius: " + radius);
}
@Override
public void setColor(String color) {
this.color = color;
}
@Override
public void resize(double factor) {
this.radius *= factor;
}
@Override
public double getArea() {
return Math.PI * radius * radius;
}
}
public class InterfaceExample {
public void demonstrateInterfaceCalls() {
List<Drawable> drawables = new ArrayList<>();
drawables.add(new Rectangle(10, 5));
drawables.add(new Circle(3));
for (Drawable drawable : drawables) {
drawable.setColor("red");
drawable.draw();
drawable.clear(); // Default interface method
}
}
public void demonstrateMultipleInterfaces() {
Rectangle rect = new Rectangle(4, 6);
Circle circle = new Circle(2);
// Use as Drawable
processDrawable(rect);
processDrawable(circle);
// Use as Resizable
processResizable(rect);
processResizable(circle);
}
private void processDrawable(Drawable drawable) {
drawable.setColor("blue");
drawable.draw();
}
private void processResizable(Resizable resizable) {
double originalArea = resizable.getArea();
resizable.resize(1.5);
double newArea = resizable.getArea();
System.out.println("Area changed from " + originalArea + " to " + newArea);
}
}
"""
)
parsers, queries = load_parsers()
if "java" not in parsers:
pytest.skip("Java parser not available")
updater = GraphUpdater(
ingestor=mock_ingestor,
repo_path=java_methods_project,
parsers=parsers,
queries=queries,
)
updater.run()
# Check interface and class definitions
all_calls = mock_ingestor.ensure_node_batch.call_args_list
class_calls = [call for call in all_calls if call[0][0] == "Class"]
interface_calls = [call for call in all_calls if call[0][0] == "Interface"]
created_classes = {call[0][1]["qualified_name"] for call in class_calls}
created_interfaces = {call[0][1]["qualified_name"] for call in interface_calls}
# Expected type qualified names
project_name = java_methods_project.name
expected_classes = {
f"{project_name}.src.main.java.com.example.InterfaceExample.Rectangle",
f"{project_name}.src.main.java.com.example.InterfaceExample.Circle",
f"{project_name}.src.main.java.com.example.InterfaceExample.InterfaceExample",
}
expected_interfaces = {
f"{project_name}.src.main.java.com.example.InterfaceExample.Drawable",
f"{project_name}.src.main.java.com.example.InterfaceExample.Resizable",
}
# Verify all expected types were created
missing_classes = expected_classes - created_classes
missing_interfaces = expected_interfaces - created_interfaces
assert not missing_classes, (
f"Missing expected classes: {sorted(list(missing_classes))}"
)
assert not missing_interfaces, (
f"Missing expected interfaces: {sorted(list(missing_interfaces))}"
)
# Check interface method calls via CALLS relationships
call_relationships = [
c
for c in mock_ingestor.ensure_relationship_batch.call_args_list
if len(c.args) > 1 and c.args[1] == "CALLS"
]
assert len(call_relationships) > 0, "No method call relationships found"
def test_generic_method_calls(
java_methods_project: Path,
mock_ingestor: MagicMock,
) -> None:
"""Test method calls with generics."""
test_file = (
java_methods_project
/ "src"
/ "main"
/ "java"
/ "com"
/ "example"
/ "GenericMethods.java"
)
test_file.write_text(
"""
package com.example;
import java.util.*;
public class GenericMethods {
public <T> T getFirst(List<T> list) {
return list.isEmpty() ? null : list.get(0);
}
public <T> void swap(List<T> list, int i, int j) {
T temp = list.get(i);
list.set(i, list.get(j));
list.set(j, temp);
}
public <K, V> Map<K, V> createMap(K[] keys, V[] values) {
Map<K, V> map = new HashMap<>();
for (int i = 0; i < Math.min(keys.length, values.length); i++) {
map.put(keys[i], values[i]);
}
return map;
}
public void demonstrateGenericCalls() {
// Generic method calls with type inference
List<String> names = Arrays.asList("Alice", "Bob", "Charlie");
String first = getFirst(names);
swap(names, 0, 1);
List<Integer> numbers = Arrays.asList(1, 2, 3, 4, 5);
Integer firstNumber = getFirst(numbers);
swap(numbers, 1, 3);
// Generic method calls with explicit types
String[] keyArray = {"a", "b", "c"};
Integer[] valueArray = {1, 2, 3};
Map<String, Integer> map = this.<String, Integer>createMap(keyArray, valueArray);
// Collection method calls
names.add("David");
names.remove("Alice");
boolean contains = names.contains("Bob");
int size = names.size();
// Map method calls
map.put("d", 4);
Integer value = map.get("a");
boolean hasKey = map.containsKey("b");
Set<String> keys = map.keySet();
Collection<Integer> values = map.values();
}
public void demonstrateStreamAPI() {
List<String> words = Arrays.asList("hello", "world", "java", "stream");
// Stream method chaining
List<String> result = words.stream()
.filter(word -> word.length() > 4)
.map(String::toUpperCase)
.sorted()
.collect(Collectors.toList());
// Method references
words.forEach(System.out::println);
words.stream().mapToInt(String::length).sum();
}
}
"""
)
parsers, queries = load_parsers()
if "java" not in parsers:
pytest.skip("Java parser not available")
updater = GraphUpdater(
ingestor=mock_ingestor,
repo_path=java_methods_project,
parsers=parsers,
queries=queries,
)
updater.run()
# Check generic method calls via CALLS relationships
call_relationships = [
c
for c in mock_ingestor.ensure_relationship_batch.call_args_list
if len(c.args) > 1 and c.args[1] == "CALLS"
]
assert len(call_relationships) > 0, "No generic method call relationships found"
def test_fully_qualified_static_method_calls(
java_methods_project: Path,
mock_ingestor: MagicMock,
) -> None:
"""Test that fully qualified static method calls are resolved correctly.
This test specifically covers the bug where fully qualified class names
like 'java.util.Collections' were incorrectly treated as variables
instead of being checked directly in the function registry.
"""
test_file = (
java_methods_project
/ "src"
/ "main"
/ "java"
/ "com"
/ "example"
/ "StaticMethodCalls.java"
)
test_file.write_text(
"""
package com.example;
import java.util.List;
import java.util.ArrayList;
public class StaticMethodCalls {
public void demonstrateFullyQualifiedStaticCalls() {
List<String> list = new ArrayList<>();
list.add("apple");
list.add("banana");
// These are the method calls that should be properly resolved
java.util.Collections.sort(list); // CALLS fully qualified static method
java.util.Collections.reverse(list); // CALLS fully qualified static method
// Also test standard library static methods
double sqrt = java.lang.Math.sqrt(25.0); // CALLS fully qualified static method
int max = java.lang.Math.max(10, 20); // CALLS fully qualified static method
// Test primitive wrapper static methods
java.lang.Integer num = java.lang.Integer.valueOf(42); // CALLS fully qualified static method
java.lang.String str = java.lang.String.valueOf(123); // CALLS fully qualified static method
java.lang.String formatted = java.lang.String.format("Value: %d", 42); // CALLS fully qualified static method
// Test with shorter qualified names (imported classes)
double pi = Math.PI; // ACCESS static field
String result = String.format("Result: %s", formatted); // CALLS static method
// Custom static method calls
StaticMethodCalls.helperMethod(); // CALLS static method
com.example.StaticMethodCalls.helperMethod(); // CALLS fully qualified static method
}
public static void helperMethod() {
java.lang.System.out.println("Helper method called"); // CALLS fully qualified static method
}
public static String formatValue(int value) {
return java.lang.String.format("Formatted: %d", value); // CALLS fully qualified static method
}
}
"""
)
parsers, queries = load_parsers()
if "java" not in parsers:
pytest.skip("Java parser not available")
updater = GraphUpdater(
ingestor=mock_ingestor,
repo_path=java_methods_project,
parsers=parsers,
queries=queries,
)
updater.run()
# Check that fully qualified static method calls were detected by looking at CALLS relationships
call_relationships = [
c
for c in mock_ingestor.ensure_relationship_batch.call_args_list
if len(c.args) > 1 and c.args[1] == "CALLS"
]
assert len(call_relationships) > 0, "No static method call relationships found"
def test_cross_file_method_calls_with_imports(
java_methods_project: Path,
mock_ingestor: MagicMock,
) -> None:
"""
Test that method calls work correctly across files with imports.
This specifically tests the bug fix for:
- Cross-file CALLS relationships
- Proper handling of already-qualified type names in import resolution
- Method calls on imported class instances
"""
# Create a utility class in a separate file
utils_dir = (
java_methods_project / "src" / "main" / "java" / "com" / "example" / "utils"
)
utils_dir.mkdir(exist_ok=True, parents=True)
helper_file = utils_dir / "Helper.java"
helper_file.write_text(
"""
package com.example.utils;
public class Helper {
private String value;
public Helper(String value) {
this.value = value;
}
public String process() {
return value.toUpperCase();
}
public static String staticProcess(String input) {
return input.toLowerCase();
}
public String getValue() {
return value;
}
}
"""
)
# Create main class that imports and uses Helper
main_file = (
java_methods_project
/ "src"
/ "main"
/ "java"
/ "com"
/ "example"
/ "MainClass.java"
)
main_file.write_text(
"""
package com.example;
import com.example.utils.Helper;
public class MainClass {
private Helper helper;
public MainClass() {
this.helper = new Helper("test");
}
public void useHelper() {
// Instance method call on imported class - cross-file CALLS
String result = helper.process();
// Static method call on imported class - cross-file CALLS
String lower = Helper.staticProcess("TEST");
// Chained method call - cross-file CALLS
String value = helper.getValue().trim();
}
public void useLocalVariable() {
// Local variable with imported type
Helper localHelper = new Helper("local");
String processed = localHelper.process(); // This should create CALLS relationship
}
public void useParameter(Helper paramHelper) {
// Parameter with imported type
String result = paramHelper.getValue(); // This should create CALLS relationship
}
}
"""
)
parsers, queries = load_parsers()
if "java" not in parsers:
pytest.skip("Java parser not available")
updater = GraphUpdater(
ingestor=mock_ingestor,
repo_path=java_methods_project,
parsers=parsers,
queries=queries,
)
updater.run()
project_name = java_methods_project.name
# Check import mapping
main_module_qn = f"{project_name}.src.main.java.com.example.MainClass"
assert main_module_qn in updater.factory.import_processor.import_mapping
imports = updater.factory.import_processor.import_mapping[main_module_qn]
assert "Helper" in imports
assert imports["Helper"] == "com.example.utils.Helper"
# Check that CALLS relationships were created for cross-file method calls
# The format is: ensure_relationship_batch((from_type, from_property, from_qn), "CALLS")
call_relationships = [
c
for c in mock_ingestor.ensure_relationship_batch.call_args_list
if len(c.args) > 1 and c.args[1] == "CALLS"
]
# Count cross-file calls from MainClass methods to Helper methods
helper_calls_count = 0
for call in call_relationships:
if len(call.args) > 2:
from_tuple = call.args[0]
to_tuple = call.args[2]
# Format: (entity_type, property_name, qualified_name)
if isinstance(from_tuple, tuple) and len(from_tuple) >= 3:
from_qn = from_tuple[2]
# Verify the call is FROM MainClass AND TO Helper
if isinstance(to_tuple, tuple) and len(to_tuple) >= 3:
to_qn = to_tuple[2]
# Check: source contains MainClass, destination contains Helper
if "MainClass" in from_qn and "Helper" in to_qn:
helper_calls_count += 1
# We created 5 method calls from MainClass to Helper methods
# If cross-file resolution works, we should have at least 3 CALLS relationships
assert helper_calls_count >= 3, (
f"Expected at least 3 cross-file CALLS relationships from MainClass to Helper methods, "
f"found {helper_calls_count} total CALLS from MainClass methods. "
f"This indicates the bug fix for cross-file method call resolution may not be working correctly."
)