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1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.creadur.whisker.it;
20  
21  import static org.apache.creadur.whisker.it.CheckHelpers.*;
22  
23  import java.io.*;
24  import java.nio.charset.StandardCharsets;
25  import java.util.ArrayList;
26  import java.util.List;
27  
28  public class FileVerifier {
29  
30      final File licenseFile;
31      final List<Check> checks;
32      final String title;
33  
34  
35      public FileVerifier(final File licenseFile, final String displayName) {
36          this.licenseFile = licenseFile;
37          this.checks = new ArrayList<Check>();
38          this.title = "FAILURES in " + displayName + ":";
39      }
40  
41      public FileVerifier expectThat(final Check check) {
42          this.checks.add(check);
43          return this;
44      }
45  
46      public String failures() throws Exception {
47          BufferedReader reader = new BufferedReader(new InputStreamReader(
48                  new FileInputStream(licenseFile), StandardCharsets.UTF_8));
49          try {
50              String line = null;
51              do {
52                  line = checkLine(reader.readLine());
53              } while (line != null);
54          } finally {
55              reader.close();
56          }
57  
58          final Results results = new Results().titled(title);
59          return to(results).report(checks).collate();
60      }
61  
62      private String checkLine(final String line) {
63          doCheck(line).with(checks);
64          return line;
65      }
66  }