Refactor ounit functions

modules/main/src/main/java/com/annimon/ownlang/modules/ounit/ounit.java

@@ -5,7 +5,6 @@ import com.annimon.ownlang.lib.*;
 import com.annimon.ownlang.modules.Module;
 import java.text.DecimalFormat;
 import java.util.Collections;
-import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -22,110 +21,91 @@ public final class ounit implements Module {
 
     @Override
     public Map<String, Function> functions() {
-        final var result = new LinkedHashMap<String, Function>(16);
-        result.put("assertEquals", new assertEquals());
-        result.put("assertNotEquals", new assertNotEquals());
-        result.put("assertSameType", new assertSameType());
-        result.put("assertTrue", new assertTrue());
-        result.put("assertFalse", new assertFalse());
-        result.put("runTests", new runTests());
-        return result;
+        return Map.of(
+                "assertEquals", this::assertEquals,
+                "assertNotEquals", this::assertNotEquals,
+                "assertSameType", this::assertSameType,
+                "assertTrue", this::assertTrue,
+                "assertFalse", this::assertFalse,
+                "runTests", this::runTests
+        );
     }
     
     private static String microsToSeconds(long micros) {
         return new DecimalFormat("#0.0000").format(micros / 1000d / 1000d) + " sec";
     }
-    
-    private static class assertEquals implements Function {
-        @Override
-        public Value execute(Value[] args) {
-            Arguments.check(2, args.length);
-            if (args[0].equals(args[1])) return NumberValue.ONE;
-            throw new OUnitAssertionException("Values are not equal: "
-                    + "1: " + args[0] + ", 2: " + args[1]);
-        }
-    }
-    
-    private static class assertNotEquals implements Function {
-        @Override
-        public Value execute(Value[] args) {
-            Arguments.check(2, args.length);
-            if (!args[0].equals(args[1])) return NumberValue.ONE;
-            throw new OUnitAssertionException("Values are equal: " + args[0]);
-        }
-    }
-    
-    private static class assertSameType implements Function {
-        @Override
-        public Value execute(Value[] args) {
-            Arguments.check(2, args.length);
-            if (args[0].type() == args[1].type()) return NumberValue.ONE;
-            throw new OUnitAssertionException("Types mismatch. "
-                    + "1: " + Types.typeToString(args[0].type())
-                    + ", 2: " + Types.typeToString(args[1].type()));
-        }
-    }
-    
-    private static class assertTrue implements Function {
-        @Override
-        public Value execute(Value[] args) {
-            Arguments.check(1, args.length);
-            if (args[0].asInt() != 0) return NumberValue.ONE;
-            throw new OUnitAssertionException("Expected true, but found false.");
-        }
-    }
-    
-    private static class assertFalse implements Function {
-        @Override
-        public Value execute(Value[] args) {
-            Arguments.check(1, args.length);
-            if (args[0].asInt() == 0) return NumberValue.ONE;
-            throw new OUnitAssertionException("Expected false, but found true.");
-        }
-    }
-    
-    private static class runTests implements Function {
-        
-        @Override
-        public Value execute(Value[] args) {
-            final var testFunctions = ScopeHandler.functions().entrySet().stream()
-                    .filter(e -> e.getKey().toLowerCase().startsWith("test"))
-                    .toList();
-            List<TestInfo> tests = testFunctions.stream()
-                    .map(e -> runTest(e.getKey(), e.getValue()))
-                    .toList();
 
-            int failures = 0;
-            long summaryTime = 0;
-            final StringBuilder result = new StringBuilder();
-            for (TestInfo test : tests) {
-                if (!test.isPassed) failures++;
-                summaryTime += test.elapsedTimeInMicros;
-                result.append(Console.newline());
-                result.append(test.info());
-            }
+    private Value assertEquals(Value[] args) {
+        Arguments.check(2, args.length);
+        if (args[0].equals(args[1])) return NumberValue.ONE;
+        throw new OUnitAssertionException("Values are not equal: "
+                + "1: " + args[0] + ", 2: " + args[1]);
+    }
+    
+    private Value assertNotEquals(Value[] args) {
+        Arguments.check(2, args.length);
+        if (!args[0].equals(args[1])) return NumberValue.ONE;
+        throw new OUnitAssertionException("Values are equal: " + args[0]);
+    }
+    
+    private Value assertSameType(Value[] args) {
+        Arguments.check(2, args.length);
+        if (args[0].type() == args[1].type()) return NumberValue.ONE;
+        throw new OUnitAssertionException("Types mismatch. "
+                + "1: " + Types.typeToString(args[0].type())
+                + ", 2: " + Types.typeToString(args[1].type()));
+    }
+    
+    private Value assertTrue(Value[] args) {
+        Arguments.check(1, args.length);
+        if (args[0].asInt() != 0) return NumberValue.ONE;
+        throw new OUnitAssertionException("Expected true, but found false.");
+    }
+    
+    private Value assertFalse(Value[] args) {
+        Arguments.check(1, args.length);
+        if (args[0].asInt() == 0) return NumberValue.ONE;
+        throw new OUnitAssertionException("Expected false, but found true.");
+    }
+
+    private Value runTests(Value[] args) {
+        final var testFunctions = ScopeHandler.functions().entrySet().stream()
+                .filter(e -> e.getKey().toLowerCase().startsWith("test"))
+                .toList();
+        List<TestInfo> tests = testFunctions.stream()
+                .map(e -> runTest(e.getKey(), e.getValue()))
+                .toList();
+
+        int failures = 0;
+        long summaryTime = 0;
+        final StringBuilder result = new StringBuilder();
+        for (TestInfo test : tests) {
+            if (!test.isPassed) failures++;
+            summaryTime += test.elapsedTimeInMicros;
             result.append(Console.newline());
-            result.append(String.format("Tests run: %d, Failures: %d, Time elapsed: %s",
-                    tests.size(), failures,
-                    microsToSeconds(summaryTime)));
-            return new StringValue(result.toString());
+            result.append(test.info());
         }
+        result.append(Console.newline());
+        result.append(String.format("Tests run: %d, Failures: %d, Time elapsed: %s",
+                tests.size(), failures,
+                microsToSeconds(summaryTime)));
+        return new StringValue(result.toString());
+    }
         
-        private TestInfo runTest(String name, Function f) {
-            final long startTime = System.nanoTime();
-            boolean isSuccessfull;
-            String failureDescription;
-            try {
-                f.execute();
-                isSuccessfull = true;
-                failureDescription = "";
-            } catch (OUnitAssertionException oae) {
-                isSuccessfull = false;
-                failureDescription = oae.getMessage();
-            }
-            final long elapsedTime = System.nanoTime() - startTime;
-            return new TestInfo(name, isSuccessfull, failureDescription, elapsedTime / 1000);
+    private TestInfo runTest(String name, Function f) {
+        final long startTime = System.nanoTime();
+        boolean isSuccessfull;
+        String failureDescription;
+        try {
+            f.execute();
+            isSuccessfull = true;
+            failureDescription = "";
+        } catch (OUnitAssertionException oae) {
+            isSuccessfull = false;
+            failureDescription = oae.getMessage();
         }
+        final long elapsedTime = System.nanoTime() - startTime;
+        return new TestInfo(name, isSuccessfull, failureDescription, elapsedTime / 1000);
     }
     
     private static class OUnitAssertionException extends RuntimeException {
@@ -142,7 +122,7 @@ public final class ounit implements Module {
             long elapsedTimeInMicros
     ) {
         public String info() {
-            return String.format("%s [%s]\n%sElapsed: %s\n",
+            return "%s [%s]\n%sElapsed: %s\n".formatted(
                     name,
                     isPassed ? "passed" : "FAILED",
                     isPassed ? "" : (failureDescription + "\n"),

ownlang-parser/src/test/java/com/annimon/ownlang/parser/MockOUnitStage.java

@@ -0,0 +1,52 @@
+package com.annimon.ownlang.parser;
+
+import com.annimon.ownlang.lib.FunctionValue;
+import com.annimon.ownlang.lib.NumberValue;
+import com.annimon.ownlang.lib.ScopeHandler;
+import com.annimon.ownlang.parser.ast.Node;
+import com.annimon.ownlang.stages.Stage;
+import com.annimon.ownlang.stages.StagesData;
+import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.fail;
+
+public class MockOUnitStage implements Stage<Node, Node> {
+
+    @Override
+    public Node perform(StagesData stagesData, Node input) {
+        ScopeHandler.resetScope();
+        ScopeHandler.setFunction("assertEquals", (args) -> {
+            assertEquals(args[0], args[1]);
+            return NumberValue.ONE;
+        });
+        ScopeHandler.setFunction("assertNotEquals", (args) -> {
+            assertNotEquals(args[0], args[1]);
+            return NumberValue.ONE;
+        });
+        ScopeHandler.setFunction("assertSameType", (args) -> {
+            assertEquals(args[0].type(), args[1].type());
+            return NumberValue.ONE;
+        });
+        ScopeHandler.setFunction("assertTrue", (args) -> {
+            assertTrue(args[0].asInt() != 0);
+            return NumberValue.ONE;
+        });
+        ScopeHandler.setFunction("assertFalse", (args) -> {
+            assertFalse(args[0].asInt() != 0);
+            return NumberValue.ONE;
+        });
+        ScopeHandler.setFunction("assertFail", (args) -> {
+            assertThrows(Throwable.class,
+                    () -> ((FunctionValue) args[0]).getValue().execute());
+            return NumberValue.ONE;
+        });
+        ScopeHandler.setFunction("fail", (args) -> {
+            if (args.length > 0) {
+                fail(args[0].asString());
+            } else {
+                fail();
+            }
+            return NumberValue.ONE;
+        });
+        return input;
+    }
+}

ownlang-parser/src/test/java/com/annimon/ownlang/parser/ProgramsTest.java

@@ -2,8 +2,6 @@ package com.annimon.ownlang.parser;
 
 import com.annimon.ownlang.Console;
 import com.annimon.ownlang.exceptions.OwnLangParserException;
-import com.annimon.ownlang.lib.FunctionValue;
-import com.annimon.ownlang.lib.NumberValue;
 import com.annimon.ownlang.lib.ScopeHandler;
 import com.annimon.ownlang.parser.ast.ClassDeclarationStatement;
 import com.annimon.ownlang.parser.ast.FunctionDefineStatement;
@@ -42,7 +40,7 @@ public class ProgramsTest {
                 .then(new ParserStage())
                 .then(new LinterStage(LinterStage.Mode.SEMANTIC))
                 .thenConditional(true, new OptimizationStage(9))
-                .then(ProgramsTest::mockOUnit)
+                .then(new MockOUnitStage())
                 .then(new ExecutionStage())
                 .then((stagesData, input) -> {
                     input.accept(testFunctionsExecutor);
@@ -50,45 +48,6 @@ public class ProgramsTest {
                 });
     }
 
-    private static Node mockOUnit(StagesData stagesData, Node input) {
-        ScopeHandler.resetScope();
-        // Let's mock junit methods as ounit functions
-        ScopeHandler.setFunction("assertEquals", (args) -> {
-            assertEquals(args[0], args[1]);
-            return NumberValue.ONE;
-        });
-        ScopeHandler.setFunction("assertNotEquals", (args) -> {
-            assertNotEquals(args[0], args[1]);
-            return NumberValue.ONE;
-        });
-        ScopeHandler.setFunction("assertSameType", (args) -> {
-            assertEquals(args[0].type(), args[1].type());
-            return NumberValue.ONE;
-        });
-        ScopeHandler.setFunction("assertTrue", (args) -> {
-            assertTrue(args[0].asInt() != 0);
-            return NumberValue.ONE;
-        });
-        ScopeHandler.setFunction("assertFalse", (args) -> {
-            assertFalse(args[0].asInt() != 0);
-            return NumberValue.ONE;
-        });
-        ScopeHandler.setFunction("assertFail", (args) -> {
-            assertThrows(Throwable.class,
-                    () -> ((FunctionValue) args[0]).getValue().execute());
-            return NumberValue.ONE;
-        });
-        ScopeHandler.setFunction("fail", (args) -> {
-            if (args.length > 0) {
-                fail(args[0].asString());
-            } else {
-                fail();
-            }
-            return NumberValue.ONE;
-        });
-        return input;
-    }
-
     @ParameterizedTest
     @MethodSource("data")
     public void testProgram(InputSource inputSource) {
@@ -119,7 +78,7 @@ public class ProgramsTest {
 
         @Override
         public void visit(ClassDeclarationStatement s) {
-
+            // skip for tests
         }
     };
 }