### Question:
FileAssistant { public static URI createRemotePath(final File localFile) { return createRemotePath(localFile, Environment.getEnvironment()); } private  FileAssistant(); static URI createRemotePath(final File localFile); static URI createRemotePath(final File localFile, final Environment environment);  }### Answer:
@Test public void testCreateRemotePathNullFile() { NullPointerException e = assertThrows(NullPointerException.class, () -> { FileAssistant.createRemotePath(null); }); assertThat(e.getMessage()).isEqualTo("Local file cannot be null."); }
@Test public void testCreateRemotePathDirectory() { final File notFile = mock(File.class); when(notFile.exists()).thenReturn(Boolean.TRUE); IllegalArgumentException e = assertThrows(IllegalArgumentException.class, () -> { FileAssistant.createRemotePath(notFile, mock(Environment.class)); }); assertThat(e.getMessage()).isEqualTo("File must be an actual file."); }
@Test public void testCreateRemotePathNullEnvironment() throws Exception { NullPointerException e = assertThrows(NullPointerException.class, () -> { FileAssistant.createRemotePath(localFile, null); }); assertThat(e.getMessage()).isEqualTo("Environment cannot be null."); }
@Test public void testPrgFile() throws Exception { final String fileName = "a_script.prg"; when(localFile.getName()).thenReturn(fileName); assertThat(FileAssistant.createRemotePath(localFile).toString()).isEqualTo(cclSource + "/" + fileName); }
@Test public void testIncFile() throws Exception { final String fileName = "tEST.inC"; when(localFile.getName()).thenReturn(fileName); assertThat(FileAssistant.createRemotePath(localFile).toString()) .isEqualTo(cclSource + "/" + fileName.toLowerCase(Locale.US)); }
@Test public void testSubFile() throws Exception { final String fileName = "tEST.Sub"; when(localFile.getName()).thenReturn(fileName); assertThat(FileAssistant.createRemotePath(localFile).toString()) .isEqualTo(cclSource + "/" + fileName.toLowerCase(Locale.US)); }
@Test public void testComFile() throws Exception { final String fileName = "tEST.com"; when(localFile.getName()).thenReturn(fileName); assertThat(FileAssistant.createRemotePath(localFile).toString()).isEqualTo(cerProc + "/" + fileName); }
@Test public void testKshFile() throws Exception { final String fileName = "TEst.kSh"; when(localFile.getName()).thenReturn(fileName); assertThat(FileAssistant.createRemotePath(localFile).toString()).isEqualTo(cerProc + "/" + fileName); }
@Test public void testTxtFile() throws Exception { final String fileName = "teST.txt"; when(localFile.getName()).thenReturn(fileName); assertThat(FileAssistant.createRemotePath(localFile).toString()).isEqualTo(cerInstall + "/" + fileName); }
@Test public void testCsvFile() throws Exception { final String fileName = "teST.CsV"; when(localFile.getName()).thenReturn(fileName); assertThat(FileAssistant.createRemotePath(localFile).toString()).isEqualTo(cerInstall + "/" + fileName); }