Add test for encoding

Author: pnatashap

qulice-maven-plugin/src/main/java/com/qulice/maven/DefaultMavenEnvironment.java

@@ -298,7 +298,7 @@ public void setAsser(final Collection<String> ass) {
      * @return Charset of the source files
      */
     public Charset encoding() {
-        String charset = this.iproperties.getProperty("project.build.sourceEncoding");
+        String charset = this.iproject.getProperties().getProperty("project.build.sourceEncoding");
         if (charset == null) {
             charset = "UTF-8";
         }

qulice-maven-plugin/src/test/java/com/qulice/maven/DefaultMavenEnvironmentTest.java

@@ -147,4 +147,17 @@ void producesEmptyExcludesWhenNoMatches() {
             Matchers.empty()
         );
     }
+
+    /**
+     * Default source files encoding should be UFT-8.
+     */
+    @Test
+    void defaultEncodingIsUTF8() {
+        final DefaultMavenEnvironment env = new DefaultMavenEnvironment();
+        MatcherAssert.assertThat(
+            "Default encoding should be UTF-8",
+            env.encoding(),
+            Matchers.is("UTF-8")
+        );
+    }
 }

qulice-maven-plugin/src/test/java/com/qulice/maven/MavenProjectMocker.java

@@ -52,9 +52,8 @@ public final class MavenProjectMocker {
      * In this basedir.
      * @param dir The directory
      * @return This object
-     * @throws Exception If something wrong happens inside
      */
-    public MavenProjectMocker inBasedir(final File dir) throws Exception {
+    public MavenProjectMocker inBasedir(final File dir) {
         Mockito.doReturn(dir).when(this.project).getBasedir();
         final Build build = Mockito.mock(Build.class);
         Mockito.doReturn(build).when(this.project).getBuild();