Add purity test + Disable TestAllRefactorings

src/test/java/org/refactoringminer/test/TestAllRefactorings.java

@@ -5,7 +5,9 @@
 import org.refactoringminer.test.RefactoringPopulator.Systems;
 
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.Disabled;
 
+@Disabled
 public class TestAllRefactorings {
 
 	private static final String REPOS = System.getProperty("user.dir") + "/src/test/resources/oracle/commits";

src/test/java/org/refactoringminer/test/TestAllRefactoringsByCommitForPurity.java

@@ -0,0 +1,120 @@
+package org.refactoringminer.test;
+
+import net.joshka.junit.json.params.JsonFileSource;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.converter.ConvertWith;
+import org.refactoringminer.api.PurityCheckResult;
+import org.refactoringminer.api.PurityChecker;
+import org.refactoringminer.api.Refactoring;
+import org.refactoringminer.api.RefactoringHandler;
+import org.refactoringminer.rm1.GitHistoryRefactoringMinerImpl;
+import org.refactoringminer.utils.RefactoringPurityJsonConverter;
+
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+
+import gr.uom.java.xmi.diff.UMLModelDiff;
+
+import java.util.List;
+import java.util.Map;
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.HashMap;
+
+/**
+ * @author  Victor Guerra Veloso victorgvbh@gmail.com
+ */
+public class TestAllRefactoringsByCommitForPurity {
+    private static final String REPOS = System.getProperty("user.dir") + "/src/test/resources/oracle/commits";
+    private static final String EXPECTED = System.getProperty("user.dir") + "/src/test/resources/oracle/expectedPurity.txt";
+    private static final Map<String, Integer> expectedTP = new HashMap<>();
+    private static final Map<String, Integer> expectedTN = new HashMap<>();
+    private static final Map<String, Integer> expectedFP = new HashMap<>();
+    private static final Map<String, Integer> expectedFN = new HashMap<>();
+
+    @BeforeAll
+    public static void setUp() throws JsonParseException, JsonMappingException, IOException {
+    	try {
+    		BufferedReader reader = new BufferedReader(new FileReader(EXPECTED));
+    		String line;
+    		while ((line = reader.readLine()) != null) {
+    			String[] tokens = line.split(", ");
+    			String commitId = tokens[0];
+    			int tp = Integer.parseInt(tokens[1]);
+    			int tn = Integer.parseInt(tokens[2]);
+    			int fp = Integer.parseInt(tokens[3]);
+    			int fn = Integer.parseInt(tokens[4]);
+    			expectedTP.put(commitId, tp);
+    			expectedTN.put(commitId, tn);
+    			expectedFP.put(commitId, fp);
+    			expectedFN.put(commitId, fn);
+    		}
+    		reader.close();
+    	} catch (IOException e) {
+    		e.printStackTrace();
+    	}
+    }
+
+    private RefactoringPopulator.Purity findPurity(RefactoringPopulator.Root testCase, String refDescription) {
+		for(RefactoringPopulator.Refactoring refactoring : testCase.refactorings) {
+			if(refactoring.description.equals(refDescription)) {
+				return refactoring.purity;
+			}
+		}
+    	return null;
+    }
+
+    @ParameterizedTest
+    @JsonFileSource(resources = "/oracle/sampleResPurity.json")
+    public void testAllRefactoringsParameterized(@ConvertWith(RefactoringPurityJsonConverter.class) RefactoringPopulator.Root testCase) throws Exception {
+        GitHistoryRefactoringMinerImpl detector = new GitHistoryRefactoringMinerImpl();
+        detector.detectAtCommitWithGitHubAPI(testCase.repository, testCase.sha1, new File(REPOS), new RefactoringHandler() {
+
+            @Override
+            public boolean skipCommit(String commitId) {
+                return commitId != testCase.sha1;
+            }
+
+            @Override
+            public void handleModelDiff(String commitId, List<Refactoring> refactorings, UMLModelDiff modelDiff) {
+        		int actualTP = 0, actualTN = 0, actualFP = 0, actualFN = 0;
+        		for (Refactoring found : refactorings) {
+        			PurityCheckResult actual = PurityChecker.check(found, refactorings, modelDiff);
+        			String description = found.toString();
+					if(actual != null) {
+						RefactoringPopulator.Purity p = findPurity(testCase, description);
+						if(p != null) {
+							if(p.purityValue.equals("1") && actual.isPure()) {
+								actualTP++;
+							}
+							else if(p.purityValue.equals("0") && !actual.isPure()) {
+								actualTN++;
+							}
+							else if(p.purityValue.equals("0") && actual.isPure()) {
+								actualFP++;
+							}
+							else if(p.purityValue.equals("1") && !actual.isPure()) {
+								actualFN++;
+							}
+						}
+					}
+        		}
+        		final int finalActualTP = actualTP;
+        		final int finalActualTN = actualTN;
+        		final int finalActualFP = actualFP;
+        		final int finalActualFN = actualFN;
+        		Assertions.assertAll(
+        		() -> Assertions.assertEquals(expectedTP.get(commitId), finalActualTP, String.format("Should have %s True Positives, but has %s", expectedTP.get(commitId), finalActualTP)),
+        		() -> Assertions.assertEquals(expectedTN.get(commitId), finalActualTN, String.format("Should have %s True Negatives, but has %s", expectedTN.get(commitId), finalActualTN)),
+        		() -> Assertions.assertEquals(expectedFP.get(commitId), finalActualFP, String.format("Should have %s False Positives, but has %s", expectedFP.get(commitId), finalActualFP)),
+        		() -> Assertions.assertEquals(expectedFN.get(commitId), finalActualFN, String.format("Should have %s False Negatives, but has %s", expectedFN.get(commitId), finalActualFN))
+        		);
+        	}
+        });
+    }
+}

src/test/java/org/refactoringminer/utils/RefactoringPurityJsonConverter.java

@@ -0,0 +1,57 @@
+package org.refactoringminer.utils;
+
+import org.junit.jupiter.api.extension.ParameterContext;
+import org.junit.jupiter.params.converter.ArgumentConversionException;
+import org.junit.jupiter.params.converter.ArgumentConverter;
+import org.refactoringminer.test.RefactoringPopulator;
+
+import javax.json.JsonObject;
+import javax.json.JsonValue;
+
+public class RefactoringPurityJsonConverter implements ArgumentConverter {
+    private static RefactoringPopulator.Root fromJsonObject(JsonObject json) {
+        RefactoringPopulator.Root root = new RefactoringPopulator.Root();
+        root.repository = json.getString("repository");
+        root.sha1 = json.getString("sha1");
+        root.url = json.getString("url");
+        root.refactorings = json.getJsonArray("refactorings").getValuesAs((JsonValue value) -> {
+            JsonObject jsonRefactoring = (JsonObject) value;
+            RefactoringPopulator.Refactoring refactoring = new RefactoringPopulator.Refactoring();
+            refactoring.type = getString(jsonRefactoring, "type");
+            refactoring.description = getString(jsonRefactoring, "description");
+            RefactoringPopulator.Purity purity = new RefactoringPopulator.Purity();
+            JsonObject jsonPurity = jsonRefactoring.getJsonObject("purity");
+            purity.purityValue = getString(jsonPurity, "purityValue");
+            refactoring.purity = purity;
+            return refactoring;
+        });
+        return root;
+    }
+
+    private static String getString(JsonObject json, String name) {
+        if (json.isNull(name)) {
+            return null;
+        }
+        return json.getString(name);
+    }
+
+    @Override
+    public Object convert(Object source, ParameterContext context) {
+        if (!(source instanceof JsonObject)) {
+            throw new ArgumentConversionException("Not a JsonObject");
+        }
+        JsonObject json = (JsonObject) source;
+        String name = context.getParameter().getName();
+        Class<?> type = context.getParameter().getType();
+        if (type == RefactoringPopulator.Root.class) {
+            return fromJsonObject(json);
+        } else if (type == String.class) {
+            return json.getString(name);
+        } else if (type == int.class) {
+            return json.getInt(name);
+        } else if (type == boolean.class) {
+            return json.getBoolean(name);
+        }
+        throw new ArgumentConversionException("Can't convert to type: '" + type.getName() + "'");
+    }
+}

src/test/resources/oracle/expectedPurity.txt

@@ -0,0 +1,139 @@
+0a9301b27130049e6cf147b5110ca7ae5b9c4285, 1, 0, 0, 0
+3af5c7a20e85b1669f17c39f2fc325a26bcf87b0, 1, 0, 0, 0
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