package unit.jakartamigration.dependencyanalysis;
import adrianmikula.jakartamigration.dependencyanalysis.domain.Artifact;
import adrianmikula.jakartamigration.dependencyanalysis.domain.Dependency;
import adrianmikula.jakartamigration.dependencyanalysis.domain.DependencyGraph;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
@DisplayName("DependencyGraph Tests")
class DependencyGraphTest {
private DependencyGraph graph;
private Artifact artifact1;
private Artifact artifact2;
@BeforeEach
void setUp() {
graph = new DependencyGraph();
artifact1 = new Artifact("com.example", "library1", "1.0.0", "compile", false);
artifact2 = new Artifact("com.example", "library2", "2.0.0", "compile", false);
}
@Test
@DisplayName("Should create empty dependency graph")
void shouldCreateEmptyGraph() {
// Given & When
DependencyGraph emptyGraph = new DependencyGraph();
// Then
assertEquals(0, emptyGraph.nodeCount());
assertEquals(0, emptyGraph.edgeCount());
}
@Test
@DisplayName("Should add node to graph")
void shouldAddNode() {
// When
graph.addNode(artifact1);
// Then
assertEquals(1, graph.nodeCount());
assertTrue(graph.containsNode(artifact1));
}
@Test
@DisplayName("Should add edge and automatically add nodes")
void shouldAddEdgeAndNodes() {
// Given
Dependency dependency = new Dependency(artifact1, artifact2, "compile", false);
// When
graph.addEdge(dependency);
// Then
assertEquals(2, graph.nodeCount());
assertEquals(1, graph.edgeCount());
assertTrue(graph.containsNode(artifact1));
assertTrue(graph.containsNode(artifact2));
assertTrue(graph.containsEdge(dependency));
}
@Test
@DisplayName("Should not add duplicate nodes")
void shouldNotAddDuplicateNodes() {
// Given
graph.addNode(artifact1);
// When
graph.addNode(artifact1);
// Then
assertEquals(1, graph.nodeCount());
}
@Test
@DisplayName("Should return immutable copy of nodes")
void shouldReturnImmutableNodesCopy() {
// Given
graph.addNode(artifact1);
var nodes = graph.getNodes();
// When
nodes.clear();
// Then
assertEquals(1, graph.nodeCount());
assertTrue(graph.containsNode(artifact1));
}
@Test
@DisplayName("Should return immutable copy of edges")
void shouldReturnImmutableEdgesCopy() {
// Given
Dependency dependency = new Dependency(artifact1, artifact2, "compile", false);
graph.addEdge(dependency);
var edges = graph.getEdges();
// When
edges.clear();
// Then
assertEquals(1, graph.edgeCount());
assertTrue(graph.containsEdge(dependency));
}
}
