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import ch.bfh.lpdg.DependencyScanner;
import ch.bfh.lpdg.InteractionHandler;
import ch.bfh.lpdg.datastructure.Dependency;
import ch.bfh.lpdg.datastructure.DependencyType;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.io.File;
import java.io.IOException;
import java.util.Collections;
import java.util.List;
import static java.util.stream.Collectors.toList;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.*;
class DependencyScannerTest {
DependencyScanner dependencyScanner = DependencyScanner.getInstance();
private final String PATH = "src/test/resources/test.txt";
private final String DIR_PATH = "/src/test/resources/";
@BeforeEach
public void setUp(){
InteractionHandler instance = InteractionHandler.getInstance();
instance.setPath(instance.getUserDirectory() + DIR_PATH);
}
@Test
void findDependencies_checkDepenencyName() {
final File file = new File(PATH);
final String expectedDependencyName = "test";
var dependency = dependencyScanner.findDependencies(file.getAbsolutePath(), DependencyType.FILE, "", Collections.emptyList(), 5);
final String actualDependencyName = dependency.getName();
assertEquals(actualDependencyName, expectedDependencyName);
}
@Test
void findDependencies_checkReturnValues() throws IOException {
final File file = new File(PATH);
var dependency = dependencyScanner.findDependencies(file.getAbsolutePath(), DependencyType.FILE, "", Collections.emptyList(), 5);
// Using iterator().next() to get name out of Set<K>
var dependencies = dependency.getDependencyList();
final var usePackageDependencies =
resolveDependenciesForType(dependencies, DependencyType.USE_PACKAGE);
final var requirePackageDependencies =
resolveDependenciesForType(dependencies, DependencyType.REQUIRE_PACKAGE);
final var inputDependencies =
resolveDependenciesForType(dependencies, DependencyType.INPUT);
final var includeDependencies =
resolveDependenciesForType(dependencies, DependencyType.INCLUDE);
assertThat(usePackageDependencies).containsAll(List.of("xcolor", "makecell", "rexim"));
assertThat(requirePackageDependencies).containsAll(List.of("testikus", "latexDev"));
assertThat(inputDependencies).containsAll(List.of("smallFile"));
assertThat(includeDependencies).containsAll(List.of("largeFile"));
System.out.println(dependency);
}
@Test
void test_ScanDepth() throws IOException {
final File file = new File(PATH);
//If we scan with the depth of 0, no packages should be found.
var dependency = dependencyScanner.findDependencies(file.getAbsolutePath(), DependencyType.FILE, "", Collections.emptyList(), 0);
var dependencies = dependency.getDependencyList();
assertTrue(dependencies.size() == 0);
//If we scan with the depth of 1, 7 packages should be found.
dependency = dependencyScanner.findDependencies(file.getAbsolutePath(), DependencyType.FILE, "", Collections.emptyList(), 1);
dependencies = dependency.getDependencyList();
assertTrue(dependencies.size() == 7);
//7 Packages, but these packages should not have been scanned again, since the depth was only 1
boolean atLeastOneMoreFound = false;
for (Dependency p : dependencies)
{
if(p.getDependencyList().size() > 0)
atLeastOneMoreFound = true;
}
assertFalse(atLeastOneMoreFound);
//If we scan with the depth of 2, we should again find 7 packages, but these packages should have dependencies themselves.
dependency = dependencyScanner.findDependencies(file.getAbsolutePath(), DependencyType.FILE, "", Collections.emptyList(), 2);
dependencies = dependency.getDependencyList();
assertTrue(dependencies.size() == 7);
//At least some packages should have dependencies themselves.
for (Dependency p : dependencies)
{
if(p.getDependencyList().size() > 0)
atLeastOneMoreFound = true;
}
assertTrue(atLeastOneMoreFound);
}
private List<String> resolveDependenciesForType(final List<Dependency> dependencyList, final DependencyType type) {
return dependencyList.stream()
.filter(d -> d.getType().equals(type)).toList()
.stream()
.map(Dependency::getName).collect(toList());
}
}
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