#12: Testing

oo-memoized/memoized-chm/src/test/java/com/pragmaticobjects/oo/memoized/chm/MemoryCHMTest.java

@@ -27,24 +27,72 @@
 
 
 import com.pragmaticobjects.oo.memoized.core.AssertCallTimes;
+import com.pragmaticobjects.oo.memoized.core.AssertDisposal;
+import com.pragmaticobjects.oo.memoized.core.MemoizedCallable;
 import com.pragmaticobjects.oo.tests.TestCase;
 import com.pragmaticobjects.oo.tests.junit5.TestsSuite;
+import io.vavr.collection.List;
 
+import java.util.Optional;
 import java.util.concurrent.ConcurrentHashMap;
 
+class TestCallable implements MemoizedCallable<Integer> {
+    private final int id;
+
+    public TestCallable(int id) {
+        this.id = id;
+    }
+
+    @Override
+    public final Integer call() {
+        return id;
+    }
+}
+
+
 class MemoryCHMTest extends TestsSuite {
     public MemoryCHMTest() {
         super(
-                new TestCase(
-                        "Check at most once call",
-                        new AssertCallTimes(
-                                new MemoryCHM(
-                                        new ConcurrentHashMap<>()
-                                ),
-                                10,
-                                1
-                        )
+            new TestCase(
+                "Check at most once call",
+                new AssertCallTimes(
+                    new MemoryCHM(
+                        new ConcurrentHashMap<>()
+                    ),
+                    10,
+                    1
+                )
+            ),
+            new TestCase(
+                "Check disposal of existing value",
+                new AssertDisposal(
+                    new MemoryCHM(
+                        new ConcurrentHashMap<>()
+                    ),
+                    List.of(
+                        new TestCallable(1),
+                        new TestCallable(2),
+                        new TestCallable(3)
+                    ),
+                    new TestCallable(1),
+                    Optional.of(1)
+                )
+            ),
+            new TestCase(
+                "Check disposal of inexisting value",
+                new AssertDisposal(
+                    new MemoryCHM(
+                        new ConcurrentHashMap<>()
+                    ),
+                    List.of(
+                        new TestCallable(1),
+                        new TestCallable(2),
+                        new TestCallable(3)
+                    ),
+                    new TestCallable(4),
+                    Optional.empty()
                 )
+            )
         );
     }
 }

oo-memoized/memoized-core/src/main/java/com/pragmaticobjects/oo/memoized/core/AssertCallTimes.java

@@ -30,22 +30,6 @@
 
 import java.util.concurrent.atomic.AtomicInteger;
 
-// NOTE: equals, hashCode and toString are implicitly generated
-// by equivalence-maven-plugin
-class TestCallable implements MemoizedCallable {
-    private final AtomicInteger counter;
-
-    public TestCallable(AtomicInteger counter) {
-        this.counter = counter;
-    }
-
-    @Override
-    public final Object call() {
-        counter.incrementAndGet();
-        return null;
-    }
-}
-
 public class AssertCallTimes implements Assertion {
     private final Memory memory;
     private final int callNums;

oo-memoized/memoized-core/src/main/java/com/pragmaticobjects/oo/memoized/core/AssertDisposal.java

@@ -0,0 +1,53 @@
+/*-
+ * ===========================================================================
+ * memoized-core
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ * Copyright (C) 2019 - 2022 Kapralov Sergey
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ============================================================================
+ */
+package com.pragmaticobjects.oo.memoized.core;
+
+import com.pragmaticobjects.oo.tests.Assertion;
+import io.vavr.collection.List;
+import org.assertj.core.api.Assertions;
+
+import java.util.Optional;
+
+public class AssertDisposal implements Assertion {
+    private final Memory memoryUnderTest;
+    private final List<MemoizedCallable<?>> preparationCallables;
+    private final MemoizedCallable<?> callableToDispose;
+    private final Optional<?> expectedDisposedValue;
+
+    public AssertDisposal(Memory memoryUnderTest, List<MemoizedCallable<?>> preparationCallables, MemoizedCallable<?> callableToDispose, Optional<?> expectedDisposedValue) {
+        this.memoryUnderTest = memoryUnderTest;
+        this.preparationCallables = preparationCallables;
+        this.callableToDispose = callableToDispose;
+        this.expectedDisposedValue = expectedDisposedValue;
+    }
+
+    @Override
+    public final void check() throws Exception {
+        preparationCallables.forEach(memoryUnderTest::memoized);
+        Optional<?> disposedValue = memoryUnderTest.dispose(callableToDispose);
+        Assertions.assertThat(disposedValue).isEqualTo(expectedDisposedValue);
+    }
+}

oo-memoized/memoized-core/src/main/java/com/pragmaticobjects/oo/memoized/core/TestCallable.java

@@ -0,0 +1,44 @@
+/*-
+ * ===========================================================================
+ * memoized-core
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ * Copyright (C) 2019 - 2022 Kapralov Sergey
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ============================================================================
+ */
+package com.pragmaticobjects.oo.memoized.core;
+
+import java.util.concurrent.atomic.AtomicInteger;
+
+// NOTE: equals, hashCode and toString are implicitly generated
+// by equivalence-maven-plugin
+class TestCallable implements MemoizedCallable {
+    private final AtomicInteger counter;
+
+    public TestCallable(AtomicInteger counter) {
+        this.counter = counter;
+    }
+
+    @Override
+    public final Object call() {
+        counter.incrementAndGet();
+        return null;
+    }
+}

oo-memoized/memoized-core/src/test/java/com/pragmaticobjects/oo/memoized/core/AssertCallTimesTest.java

@@ -31,26 +31,6 @@
 
 import java.util.Optional;
 
-/**
- * Test {@link Memory} implementation that memoises nothing
- */
-class BluntMemory implements Memory {
-    @Override
-    public final <T> T memoized(MemoizedCallable<T> callable) {
-        return callable.call();
-    }
-
-    @Override
-    public final <T> Optional<T> dispose(MemoizedCallable<T> callable) {
-        return Optional.empty();
-    }
-
-    @Override
-    public final void clean() {
-        // Do Nothing
-    }
-}
-
 
 public class AssertCallTimesTest extends TestsSuite {
     public AssertCallTimesTest() {

oo-memoized/memoized-core/src/test/java/com/pragmaticobjects/oo/memoized/core/AssertDisposalTest.java

@@ -0,0 +1,54 @@
+/*-
+ * ===========================================================================
+ * memoized-core
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ * Copyright (C) 2019 - 2022 Kapralov Sergey
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ============================================================================
+ */
+package com.pragmaticobjects.oo.memoized.core;
+
+import com.pragmaticobjects.oo.tests.AssertAssertionPasses;
+import com.pragmaticobjects.oo.tests.TestCase;
+import com.pragmaticobjects.oo.tests.junit5.TestsSuite;
+import io.vavr.collection.List;
+
+import java.util.Optional;
+import java.util.concurrent.atomic.AtomicInteger;
+
+public class AssertDisposalTest extends TestsSuite {
+    public AssertDisposalTest() {
+        super(
+            new TestCase(
+                "blunt disposal",
+                new AssertAssertionPasses(
+                    new AssertDisposal(
+                        new BluntMemory(),
+                        List.empty(),
+                        new TestCallable(
+                            new AtomicInteger()
+                        ),
+                        Optional.empty()
+                    )
+                )
+            )
+        );
+    }
+}

oo-memoized/memoized-core/src/test/java/com/pragmaticobjects/oo/memoized/core/BluntMemory.java

@@ -0,0 +1,48 @@
+/*-
+ * ===========================================================================
+ * memoized-core
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ * Copyright (C) 2019 - 2022 Kapralov Sergey
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ============================================================================
+ */
+package com.pragmaticobjects.oo.memoized.core;
+
+import java.util.Optional;
+
+/**
+ * Test {@link Memory} implementation that memoises nothing
+ */
+class BluntMemory implements Memory {
+    @Override
+    public final <T> T memoized(MemoizedCallable<T> callable) {
+        return callable.call();
+    }
+
+    @Override
+    public final <T> Optional<T> dispose(MemoizedCallable<T> callable) {
+        return Optional.empty();
+    }
+
+    @Override
+    public final void clean() {
+        // Do Nothing
+    }
+}