migration

clojure/cljtest/example/ExampleTest.java

@@ -0,0 +1,67 @@
+package cljtest.example;
+
+import base.Asserts;
+import base.Selector;
+import base.TestCounter;
+import cljtest.ClojureScript;
+import common.Engine;
+
+import java.util.Arrays;
+
+/**
+ * Tests for Example Clojure
+ * homework of <a href="https://www.kgeorgiy.info/courses/paradigms">Programming Paradigms</a> course.
+ *
+ * @author Georgiy Korneev (kgeorgiy@kgeorgiy.info)
+ */
+public final class ExampleTest {
+    private final TestCounter counter;
+    private final ClojureScript.F<String> hello;
+    private final ClojureScript.F<Number> add;
+
+    private ExampleTest(final TestCounter counter) {
+        this.counter = counter;
+
+        ClojureScript.loadScript("example.clj");
+        hello = ClojureScript.function("hello", String.class);
+        add = ClojureScript.function("add", Number.class);
+    }
+
+    private void test() {
+        counter.scope("hello", () -> {
+            assertHello("Clojure");
+            assertHello(new String[]{"easy", "hard"}[counter.mode()]);
+        });
+        counter.scope("add", () -> {
+            assertAdd();
+            assertAdd(1);
+            assertAdd(1, 2);
+            assertAdd(1, 2, 3);
+        });
+    }
+
+    private void assertHello(final String name) {
+        counter.test(() -> Asserts.assertEquals(
+                "Hello", "Hello, " + name + "!",
+                hello.call(new Engine.Result<>(name, name)).value()
+        ));
+    }
+
+    private void assertAdd(final int... numbers) {
+        final Engine.Result<?>[] args = Arrays.stream(numbers).mapToObj(v -> new Engine.Result<>(
+                v + "",
+                v
+        )).toArray(Engine.Result<?>[]::new);
+        counter.test(() -> Asserts.assertEquals(
+                Arrays.toString(numbers), Arrays.stream(numbers).sum(),
+                add.call(args).value().intValue()
+        ));
+    }
+
+    public static final Selector SELECTOR = new Selector(ExampleTest.class, "easy", "hard")
+            .variant("base", counter -> new ExampleTest(counter).test());
+
+    public static void main(final String... args) {
+        SELECTOR.main(args);
+    }
+}