some tests enabled

eo-maven-plugin/pom.xml

@@ -271,17 +271,20 @@ SOFTWARE.
   </dependencies>
   <build>
     <plugins>
-      <!--
-      @todo #2555:30min Enable integration tests. Integration tests were disabled because of
-       new recursive implementation of tuple. Need to upload new version of eo-runtime to
-       Objectionary and enable integration tests by just removing "maven-invoker-plugin" from
-       this pom.xml. Don't forget to remove the puzzle.
-      -->
       <plugin>
         <artifactId>maven-invoker-plugin</artifactId>
         <configuration>
-          <skipInstallation>true</skipInstallation>
-          <skipInvocation>true</skipInvocation>
+          <pomExcludes>
+            <!--
+            @todo #2660:30min Enable the following integration tests when it's possible.
+             Now they don't work because many .eo files are absent in the
+             objectionary/home repository. Once they are released, the tests
+             should work as is, without any modifications.
+            -->
+            <exclude>custom_goals/pom.xml</exclude>
+            <exclude>fibonacci/pom.xml</exclude>
+            <exclude>rewritten_sources/pom.xml</exclude>
+          </pomExcludes>
         </configuration>
       </plugin>
       <plugin>

eo-maven-plugin/src/it/duplicate_classes/pom.xml

@@ -66,6 +66,7 @@ SOFTWARE.
             <goals>
               <goal>register</goal>
               <goal>assemble</goal>
+              <goal>verify</goal>
               <goal>transpile</goal>
               <goal>copy</goal>
               <goal>unplace</goal>
@@ -86,6 +87,7 @@ SOFTWARE.
             <goals>
               <goal>register</goal>
               <goal>assemble</goal>
+              <goal>verify</goal>
               <goal>transpile</goal>
               <goal>binarize</goal>
             </goals>

eo-maven-plugin/src/it/simple/README.md

@@ -0,0 +1,4 @@
+This is the simplest possible example of a program written in EO.
+Don't make it more complex than it is right now.
+The purpose of this integration test is to keep it running no matter
+how much we change the eo-maven-plugin or the eo-runtime modules.

eo-maven-plugin/src/it/simple/invoker.properties

@@ -0,0 +1 @@
+invoker.goals = clean compile

eo-maven-plugin/src/it/simple/pom.xml

@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+The MIT License (MIT)
+
+Copyright (c) 2016-2023 Objectionary.com
+
+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 NON-INFRINGEMENT. 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>com.jcabi</groupId>
+    <artifactId>parent</artifactId>
+    <version>0.66.0</version>
+  </parent>
+  <groupId>org.eolang</groupId>
+  <artifactId>examples</artifactId>
+  <version>@project.version@</version>
+  <packaging>jar</packaging>
+  <name>Simplest possible EO program</name>
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.eolang</groupId>
+        <artifactId>eo-maven-plugin</artifactId>
+        <version>@project.version@</version>
+        <executions>
+          <execution>
+            <goals>
+              <goal>register</goal>
+              <goal>assemble</goal>
+              <goal>verify</goal>
+              <goal>transpile</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>exec-maven-plugin</artifactId>
+        <version>3.1.1</version>
+        <executions>
+          <execution>
+            <phase>compile</phase>
+            <goals>
+              <goal>java</goal>
+            </goals>
+          </execution>
+        </executions>
+        <configuration>
+          <mainClass>org.eolang.Main</mainClass>
+          <arguments>
+            <argument>org.eolang.examples.app</argument>
+          </arguments>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+</project>

eo-maven-plugin/src/it/simple/src/main/eo/org/eolang/examples/app.eo

@@ -0,0 +1,28 @@
+# The MIT License (MIT)
+#
+# Copyright (c) 2016-2023 Objectionary.com
+#
+# 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 NON-INFRINGEMENT. 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.eolang.examples
++alias org.eolang.io.stdout
+
+[args] > app
+  stdout > @
+    "Hello, world!\n"

eo-maven-plugin/src/it/simple/verify.groovy

@@ -0,0 +1,27 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016-2023 Objectionary.com
+ *
+ * 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 NON-INFRINGEMENT. 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.
+ */
+
+new File(basedir, 'build.log').text.contains('BUILD SUCCESS')
+
+true

eo-maven-plugin/src/test/java/org/eolang/maven/it/SnippetTestCase.java

@@ -48,18 +48,18 @@
  *
  * <p>This test will/may fail if you change something in {@code to-java.xsl}
  * or some other place where Java sources are generated. This happens
- * because this test relies on {@code eo-runtime.jar}, which it finds in your local
- * Maven repository. This file is supposed to be generated by a previous run
- * of Maven, but will not exist at the first run. Thus, when changes are made,
- * it is recommended to disable this test. Then, when new {@code eo-runtime.jar} is
+ * because this test relies on {@code eo-runtime.jar}, which it finds in Maven
+ * Central. Thus, when changes are made, it is recommended to disable this test.
+ * Then, when new {@code eo-runtime.jar} is
  * released to Maven Central, you enable this test again.</p>
  *
  * @since 0.1
  *
- * @todo #2660:30min Most of the snippets are disabled now, in
- *  the "src/test/resources/snippets/*.yaml" because they don't work.
- *  Hopefully, they will work once a new eo-runtime.jar is released.
- *  Just wait until it's released and try to enable the tests.
+ * @todo #2660:30min One snippet is disabled now, in
+ *  the "src/test/resources/snippets/*.yaml" because it doesn't work.
+ *  I don't understand what's wrong with it (parenting.yaml). Let's
+ *  try to find out and enable it (by removing the "skip" attribute from
+ *  the YAML file).
  */
 @ExtendWith(OnlineCondition.class)
 @SuppressWarnings("JTCOP.RuleAllTestsHaveProductionClass")
@@ -84,6 +84,7 @@ final class SnippetTestCase {
     void runsAllSnippets(final String yml) throws IOException {
         final Yaml yaml = new Yaml();
         final Map<String, Object> map = yaml.load(yml);
+        final String file = map.get("file").toString();
         Assumptions.assumeFalse(map.containsKey("skip"));
         new Farea(this.temp).together(
             f -> {
@@ -98,14 +99,16 @@ void runsAllSnippets(final String yml) throws IOException {
                     .set("project.build.sourceEncoding", "UTF-8")
                     .set("project.reporting.outputEncoding", "UTF-8");
                 f.files()
-                    .file("src/main/eo/main.eo")
+                    .file(String.format("src/main/eo/%s", file))
                     .write(String.format("%s\n", map.get("eo")))
                     .show();
                 f.build()
                     .plugins()
                     .appendItself()
                     .phase("generate-sources")
-                    .goals("register", "assemble", "verify", "transpile");
+                    .goals("register", "assemble", "verify", "transpile")
+                    .configuration()
+                    .set("failOnWarnings", "true");
                 f.build()
                     .plugins()
                     .append("org.codehaus.mojo", "exec-maven-plugin", "3.1.1")
@@ -114,7 +117,7 @@ void runsAllSnippets(final String yml) throws IOException {
                     .configuration()
                     .set("mainClass", "org.eolang.Main")
                     .set("arguments", map.get("args"));
-                f.exec("test");
+                f.exec("clean", "test");
                 MatcherAssert.assertThat(
                     String.format("'%s' printed something wrong", yml),
                     f.log(),

eo-maven-plugin/src/test/resources/org/eolang/maven/snippets/all-features.yaml → eo-maven-plugin/src/test/resources/org/eolang/maven/snippets/all.yaml

@@ -1,11 +1,11 @@
-skip: true
 out:
   - ".*works!.*"
-args: ["foo.main"]
+file: org/eolang/snippets/all.eo
+args: ["org.eolang.snippets.all"]
 eo: |
-  +package foo
+  +package org.eolang.snippets
 
-  [args] > main
+  [args] > all
     seq > a
       *
         42

eo-maven-plugin/src/test/resources/org/eolang/maven/snippets/fibo.yaml

@@ -1,17 +1,23 @@
 skip: true
+file: org/eolang/snippets/fibo.eo
 out:
-  - ".*true.*"
-args: [ "main" ]
+  - ".*8 is the 6th number.*"
+args: [ "org.eolang.snippets.fibo" ]
 eo: |
-  [args] > main
+  +package org.eolang.snippets
+  +alias org.eolang.io.stdout
+
+  [args] > fibo
     [n] > f
       if. > @
         n.lt 2
         n
         plus.
           f (n.minus 1)
           f (n.minus 2)
-    eq. > @
-      8
-      f 6
+    stdout > @
+      QQ.txt.sprintf
+        "%d is the %dth number\n"
+        8
+        f 6
 

eo-maven-plugin/src/test/resources/org/eolang/maven/snippets/ifthenelse.yaml

@@ -1,11 +1,12 @@
-skip: true
 out:
   - ".*greater.*"
-args: [ "main" ]
+file: org/eolang/snippets/ifthenelse.eo
+args: [ "org.eolang.snippets.ifthenelse" ]
 eo: |
+  +package org.eolang.snippets
   +alias org.eolang.io.stdout
 
-  [args] > main
+  [args] > ifthenelse
     [n] > f
       if. > @
         n.lt 0

eo-maven-plugin/src/test/resources/org/eolang/maven/snippets/parenting.yaml

@@ -1,11 +1,13 @@
+file: org/eolang/snippets/parenting.eo
 skip: true
 out:
   - ".*123.*"
-args: [ "main", "123" ]
+args: [ "org.eolang.snippets.parenting", "123" ]
 eo: |
+  +package org.eolang.snippets
   +alias org.eolang.io.stdout
 
-  [args] > main
+  [args] > parenting
     "The code snippet that checks parent's args" > description
     [] > take
       ^.args.at 0 > @

eo-maven-plugin/src/test/resources/org/eolang/maven/snippets/simple.yaml

@@ -1,17 +1,17 @@
-skip: true
 out:
-  - ".*Hello, дорогой!.*"
-args: ["simple.main"]
+  - ".*Hello, Jeff!.*"
+file: org/eolang/snippets/simple.eo
+args: ["org.eolang.snippets.simple"]
 eo: |
-  +package simple
+  +package org.eolang.snippets
   +alias org.eolang.io.stdout
 
-  [args] > main
+  [args] > simple
     seq > @
       *
         stdout
           "Hello, "
         stdout
-          "дорогой"
+          "Jeff"
         stdout
           "!"