Add full class test generator to make testing easier

build.gradle

@@ -44,6 +44,7 @@ dependencies {
 license {
     header file('LICENSE')
     include '**/*.java'
+    exclude '**/test/generate/*.java'
     newLine = false
 }
 

src/test/java/org/spongepowered/test/ast/FullClassTests.java

@@ -54,6 +54,13 @@ public static void setup() {
         LibraryConfiguration.parallel = false;
     }
 
+    // TODO: auto-detect all test cases and generate a junit test per file
+
+    @Test
+    public void testBasic() throws Exception {
+        compare("javaclasses/BasicClass", Language.JAVA);
+    }
+
     @Test
     public void testGenerics() throws Exception {
         compare("javaclasses/GenericsTestClass", Language.JAVA);

src/test/java/org/spongepowered/test/generate/TestGenerator.java

@@ -0,0 +1,74 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) Despector <https://despector.voxelgenesis.com>
+ * Copyright (c) contributors
+ *
+ * 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 org.spongepowered.test.generate;
+
+import com.google.common.io.Files;
+
+import java.io.File;
+import java.io.IOException;
+
+public class TestGenerator {
+
+    public static void main(String[] args) {
+        File tests_dir = new File("src/test/java/org/spongepowered/test/generate");
+        if (!tests_dir.exists() || !tests_dir.isDirectory()) {
+            System.err.println("Tests directory " + tests_dir.getAbsolutePath() + " does not exist or is not a directory.");
+            return;
+        }
+        File tests_bin_dir = new File("build/classes/java/test/org/spongepowered/test/generate");
+        if (!tests_bin_dir.exists() || !tests_bin_dir.isDirectory()) {
+            System.err.println("Tests directory " + tests_dir.getAbsolutePath()
+                    + " does not exist or is not a directory. (have you run `./gradlew build` yet?)");
+            return;
+        }
+        File tests_out_dir = new File("src/test/resources/javaclasses");
+        if (!tests_out_dir.exists()) {
+            tests_out_dir.mkdirs();
+        }
+        for (File f : tests_dir.listFiles()) {
+            if (f.getName().equals("TestGenerator.java")) {
+                continue;
+            }
+            if (!f.getName().endsWith(".java")) {
+                continue;
+            }
+            String name = f.getName().substring(0, f.getName().length() - 5);
+            File compiled = new File(tests_bin_dir, name + ".class");
+            if (!compiled.exists()) {
+                System.err.println("Test file " + name + " does not exist in the compiled output. (have you run `./gradlew build` yet?)");
+                continue;
+            }
+            System.out.println("Adding test for " + name);
+            try {
+                Files.copy(f, new File(tests_out_dir, name + ".java.test"));
+                Files.copy(compiled, new File(tests_out_dir, name + ".class.test"));
+                f.delete();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+}

src/test/resources/javaclasses/BasicClass.java.test

@@ -0,0 +1,25 @@
+package org.spongepowered.test.generate;
+
+public class BasicClass {
+
+    public int a;
+    char b;
+    private String c;
+
+    public BasicClass(int a) {
+        this.a = a;
+    }
+
+    public void foo() {
+        this.b = 'b';
+    }
+
+    public void bar(char d) {
+        this.b = d;
+    }
+
+    public String get() {
+        return this.c;
+    }
+
+}