}
            }

            if (pluginDescriptor == null) {
                throw new IOException("No plugin descriptor found at " + getPluginDescriptorLocation());
            }
        } catch (IOException e) {
            throw new PluginDescriptorParsingException(plugin, pluginFile.getAbsolutePath(), e);
        }

        assertNotNull(rDeps);
        assertEquals(1, rDeps.size());
        assertEquals(
                new File(basedir, "artifact.jar").getAbsolutePath(),
                new File(rDeps.get(0).getSystemPath()).getAbsolutePath());
    }

    @Test
    public void testRecursiveExpressionCycleNPE() throws Exception {
        Map<String, String> props = new HashMap<>();

        ArtifactRepository r = repositorySystem.createArtifactRepository(
                "local", "file://" + getLocalRepositoryPath().getAbsolutePath(), repoLayout, null, null);

        return r;
    }

    // ----------------------------------------------------------------------
    // Project building

    void testProjectInheritance() throws Exception {
        File localRepo = getLocalRepositoryPath();

        System.out.println("Local repository is at: " + localRepo.getAbsolutePath());

        File pom0 = new File(localRepo, "p0/pom.xml");
        File pom1 = new File(pom0.getParentFile(), "p1/pom.xml");
        File pom2 = new File(pom1.getParentFile(), "p2/pom.xml");

    static String toPath(Model model) {
        String path = "";

        if (model != null) {
            File pomFile = model.getPomFile();

            if (pomFile != null) {
                path = pomFile.getAbsolutePath();
            }
        }

        return path;
    }

    static String toId(Model model) {
        if (model == null) {
            return "";
        }

        try {
          urls.add(new File(entry).toURI().toURL());
        } catch (SecurityException e) { // File.toURI checks to see if the file is a directory
          urls.add(new URL("file", null, new File(entry).getAbsolutePath()));
        }
      } catch (MalformedURLException e) {
        throw new AssertionError("malformed class path entry: " + entry, e);
      }
    }
    return urls.build();
  }

        try {
          urls.add(new File(entry).toURI().toURL());
        } catch (SecurityException e) { // File.toURI checks to see if the file is a directory
          urls.add(new URL("file", null, new File(entry).getAbsolutePath()));
        }
      } catch (MalformedURLException e) {
        throw new AssertionError("malformed class path entry: " + entry, e);
      }
    }
    return urls.build();
  }

            File file = new File(localRepository);
            if (!file.isAbsolute() && file.getPath().startsWith(File.separator)) {
                userSettings.setLocalRepository(file.getAbsolutePath());
            }
        }

        if (hasErrors(problems.getProblems())) {
            throw new SettingsBuildingException(problems.getProblems());
        }

                temp.deleteOnExit();
                byte[] bytes = sums.get(extension).getBytes(StandardCharsets.UTF_8);
                Files.write(
                        Paths.get(temp.getAbsolutePath()), bytes, StandardOpenOption.APPEND, StandardOpenOption.CREATE);

                temporaryFiles.add(temp);
                wagon.put(temp, remotePath + "." + extension);
            }

                "Transfer listener still registered after getArtifact");

        /* putArtifact */
        File sampleFile = getTestFile("target/test-file");
        FileUtils.fileWrite(sampleFile.getAbsolutePath(), "sample file");

        assertFalse(
                wagon.getTransferEventSupport().hasTransferListener(transferListener),
                "Transfer listener is registered before test");