SONARPY-2074: Fix count of line of codes for single line notebooks (#1934)

Author: joke1196

python-frontend/src/main/java/org/sonar/plugins/python/api/tree/Token.java

@@ -34,9 +34,9 @@ public interface Token extends Tree {
 
   TokenType type();
 
-  int physicalLine();
+  int pythonLine();
 
-  int physicalColumn();
+  int pythonColumn();
 
   int includedEscapeChars();
 

python-frontend/src/main/java/org/sonar/python/metrics/FileLinesVisitor.java

@@ -148,7 +148,7 @@ public static Set<Integer> tokenLineNumbers(Token token) {
     if (!token.type().equals(PythonTokenType.DEDENT) && !token.type().equals(PythonTokenType.INDENT) && !token.type().equals(PythonTokenType.NEWLINE)) {
       // Handle all the lines of the token
       String[] tokenLines = token.value().split("\n", -1);
-      int tokenLine = token.line();
+      int tokenLine = token.pythonLine();
       for (int line = tokenLine; line < tokenLine + tokenLines.length; line++) {
         lines.add(line);
       }

python-frontend/src/main/java/org/sonar/python/tree/TokenImpl.java

@@ -59,16 +59,16 @@ public String value() {
 
   @Override
   public int line() {
-    return line != null ? line : physicalLine();
+    return line != null ? line : pythonLine();
   }
 
   @Override
   public int column() {
-    return column != null ? column : physicalColumn();
+    return column != null ? column : pythonColumn();
   }
 
   @Override
-  public int physicalLine() {
+  public int pythonLine() {
     return token.getLine();
   }
 
@@ -78,7 +78,7 @@ public int includedEscapeChars() {
   }
 
   @Override
-  public int physicalColumn() {
+  public int pythonColumn() {
     return token.getColumn();
   }
 

python-frontend/src/test/java/org/sonar/python/FileLinesVisitorTest.java

@@ -20,6 +20,7 @@
 package org.sonar.python;
 
 import java.io.File;
+import java.util.Map;
 import org.junit.jupiter.api.Test;
 import org.sonar.python.metrics.FileLinesVisitor;
 
@@ -67,6 +68,23 @@ void empty_file() {
     assertThat(visitor.getExecutableLines()).isEmpty();
   }
 
+  @Test
+  void notebook_locs_single_line_file() {
+    FileLinesVisitor visitor = new FileLinesVisitor(true);
+    String content = """
+      a = 2
+      def foo():
+        return 3
+      """;
+    var locations = Map.of(1, new IPythonLocation(1, 383, Map.of(-1, 0)),
+        2, new IPythonLocation(1, 390, Map.of(-1, 0)),
+        3, new IPythonLocation(1, 402, Map.of(-1, 0)), 
+        4, new IPythonLocation(1, 402, Map.of(-1, 0)));
+    TestPythonVisitorRunner.scanNotebookFile(new File(BASE_DIR, "notebook_locs_single_line.ipynb"), locations, content, visitor);
+    assertThat(visitor.getExecutableLines()).isEmpty();
+    assertThat(visitor.getLinesOfCode()).hasSize(3);
+  }
+
   @Test
   void notebook_locs() {
     FileLinesVisitor visitor = new FileLinesVisitor(true);

python-frontend/src/test/resources/metrics/notebook_nloc_single_line.ipynb

@@ -0,0 +1,2 @@
+{"cells":[{"cell_type":"code","execution_count":null,"metadata":{"execution":{"iopub.execute_input":"2022-04-18T13:57:08.798932Z","iopub.status.busy":"2022-04-18T13:57:08.798479Z","iopub.status.idle":"2022-04-18T13:57:10.082993Z","shell.execute_reply":"2022-04-18T13:57:10.081937Z","shell.execute_reply.started":"2022-04-18T13:57:08.798842Z"},"trusted":true},"outputs":[],"source":"a = 2\ndef foo():\n    return 3"}],"metadata":{"kernelspec":{"display_name":"Python 3","language":"python","name":"python3"},"language_info":{"codemirror_mode":{"name":"ipython","version":3},"file_extension":".py","mimetype":"text/x-python","name":"python","nbconvert_exporter":"python","pygments_lexer":"ipython3","version":"3.6.4"}},"nbformat":4,"nbformat_minor":4}
+