Java实现的词频统计——单元测试

 1         String t = "
 1         String t = "\0";
 2         String s = "\0";
 3         byte[] bbb = t.getBytes();
 4         int[] n = new int[bbb.length];
 5         for (int i = 0; i < n.length; i++) {
 6             n[i] = bbb[i] & 0xff;　　　　//将每个字符的十六进制码保存到数组中
 7         }
 8         for (int j = 0; j < n.length; j++) {
 9             System.out.println(Integer.toString(n[j], 0x10));
10         }
11         System.out.println("-----------------");
12         byte[] b = s.getBytes();
13         int[] in = new int[b.length];
14         for (int i = 0; i < in.length; i++) {
15             in[i] = b[i] & 0xff;
16         }
17         for (int j = 0; j < in.length; j++) {
18             System.out.println(Integer.toString(in[j], 0x10));
19         }
 1     @Test
 2     public void testFP() throws Exception {
 3 
 4         final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
 5         System.setOut(new PrintStream(outContent));　　　　//重定向输出，方便后面进行比对
 6         new FileProccessing("content.txt", 200);
 7         assertEquals(
 8                 "~~~~~~~~~~~~~~~~~~~~\r\ncontent\r\ntotals of the words:6\r\nquantity of vocabulary:5\r\nvery——2\r\nenglish——1\r\nis——1\r\nmy——1\r\npoor——1\r\n~~~~~~~~~~~~~~~~~~~~\r\n",
 9                 outContent.toString());
10 
11     }
 1     public void testFPtoFile() throws Exception{
 2         new FileProccessing("E:\\Test3\\Test1.txt");　　　　//测试文件
 3         FileReader expect = new FileReader("E:\\Test3\\Expect.txt");　　　　//用来保存期待的结果
 4         BufferedReader ep= new BufferedReader(expect);
 5         FileReader actual = new FileReader("Result.txt");　　　　//实际的结果文件
 6         BufferedReader at = new BufferedReader(actual);
 7         String temp;
 8         while((temp = at.readLine()) != null){
 9             assertEquals(ep.readLine(),temp);　　　　//对文件中内容逐行比较
10         }
11         at.close();
12         actual.close();
13         ep.close();
14         expect.close();
15     }
 1     @Test
 2     public void testMain1() throws Exception {
 3         String[] test = { "E:\\Test3\\Test1.txt" };
 4         WordFrequencyCount.main(test);　　　　//生成实例
 5         
 6         FileReader expect = new FileReader("E:\\Test\\Expect.txt");
 7         BufferedReader ep = new BufferedReader(expect);
 8         FileReader actual = new FileReader("Result.txt");
 9         BufferedReader at = new BufferedReader(actual);
10         
11         String temp;
12         while ((temp = at.readLine()) != null) {
13             assertEquals(ep.readLine(), temp);
14         }
15         
16         at.close();
17         actual.close();
18         ep.close();
19         expect.close();
20     }
 1     @Test
 2     public void testMain2() throws Exception {
 3         String[] test = { "E:\\Test3" };　　　　//文件夹中内容为Test1.txt
 4         WordFrequencyCount.main(test);
 5         
 6         FileReader expect = new FileReader("E:\\Test\\Expect.txt");
 7         BufferedReader ep = new BufferedReader(expect);
 8         FileReader actual = new FileReader("Result.txt");
 9         BufferedReader at = new BufferedReader(actual);
10         
11         String temp;
12         while ((temp = at.readLine()) != null) {
13             assertEquals(ep.readLine(), temp);
14         }
15         
16         at.close();
17         actual.close();
18         ep.close();
19         expect.close();
20 
21     }
 1     @Test
 2     public void testMain3() throws Exception {
 3         String[] test = {};
 4         String str = "< E:\\Test3\\Test1.txt\n";
 5         ByteArrayInputStream instr = new ByteArrayInputStream(str.getBytes());　　　　//将String转化为输入流
 6         
 7         System.setIn(instr);　　　　//重定向输入
 8         WordFrequencyCount.main(test);
 9         
10         FileReader expect = new FileReader("E:\\Test\\Expect.txt");
11         BufferedReader ep = new BufferedReader(expect);
12         FileReader actual = new FileReader("Result.txt");
13         BufferedReader at = new BufferedReader(actual);
14         
15         String temp;
16         while ((temp = at.readLine()) != null) {
17             assertEquals(ep.readLine(), temp);
18         }
19         
20         at.close();
21         actual.close();
22         ep.close();
23         expect.close();
24     }
 1     @Test
 2     public void testMain4() throws Exception {
 3         String[] test = {};
 4         String str = "content\nMy English is very very poor.\n";
 5         ByteArrayInputStream instr = new ByteArrayInputStream(str.getBytes());
 6         
 7         System.setIn(instr);
 8         
 9         final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
10         System.setOut(new PrintStream(outContent));
11         WordFrequencyCount.main(test);
12         assertEquals(
13                 "请输入文件名：\r\n请输入内容，结尾以回车后ctrl+z结束：\r\n~~~~~~~~~~~~~~~~~~~~\r\ncontent\r\ntotals of the words:6\r\nquantity of vocabulary:5\r\nvery——2\r\nenglish——1\r\nis——1\r\nmy——1\r\npoor——1\r\n~~~~~~~~~~~~~~~~~~~~\r\ntime:1ms\r\n",
14                 outContent.toString());
15     }　　　　　　　　//要考虑到main()函数中面向用户的输出
";
 2         String s = "
 1         String t = "\0";
 2         String s = "\0";
 3         byte[] bbb = t.getBytes();
 4         int[] n = new int[bbb.length];
 5         for (int i = 0; i < n.length; i++) {
 6             n[i] = bbb[i] & 0xff;　　　　//将每个字符的十六进制码保存到数组中
 7         }
 8         for (int j = 0; j < n.length; j++) {
 9             System.out.println(Integer.toString(n[j], 0x10));
10         }
11         System.out.println("-----------------");
12         byte[] b = s.getBytes();
13         int[] in = new int[b.length];
14         for (int i = 0; i < in.length; i++) {
15             in[i] = b[i] & 0xff;
16         }
17         for (int j = 0; j < in.length; j++) {
18             System.out.println(Integer.toString(in[j], 0x10));
19         }
 1     @Test
 2     public void testFP() throws Exception {
 3 
 4         final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
 5         System.setOut(new PrintStream(outContent));　　　　//重定向输出，方便后面进行比对
 6         new FileProccessing("content.txt", 200);
 7         assertEquals(
 8                 "~~~~~~~~~~~~~~~~~~~~\r\ncontent\r\ntotals of the words:6\r\nquantity of vocabulary:5\r\nvery——2\r\nenglish——1\r\nis——1\r\nmy——1\r\npoor——1\r\n~~~~~~~~~~~~~~~~~~~~\r\n",
 9                 outContent.toString());
10 
11     }
 1     public void testFPtoFile() throws Exception{
 2         new FileProccessing("E:\\Test3\\Test1.txt");　　　　//测试文件
 3         FileReader expect = new FileReader("E:\\Test3\\Expect.txt");　　　　//用来保存期待的结果
 4         BufferedReader ep= new BufferedReader(expect);
 5         FileReader actual = new FileReader("Result.txt");　　　　//实际的结果文件
 6         BufferedReader at = new BufferedReader(actual);
 7         String temp;
 8         while((temp = at.readLine()) != null){
 9             assertEquals(ep.readLine(),temp);　　　　//对文件中内容逐行比较
10         }
11         at.close();
12         actual.close();
13         ep.close();
14         expect.close();
15     }
 1     @Test
 2     public void testMain1() throws Exception {
 3         String[] test = { "E:\\Test3\\Test1.txt" };
 4         WordFrequencyCount.main(test);　　　　//生成实例
 5         
 6         FileReader expect = new FileReader("E:\\Test\\Expect.txt");
 7         BufferedReader ep = new BufferedReader(expect);
 8         FileReader actual = new FileReader("Result.txt");
 9         BufferedReader at = new BufferedReader(actual);
10         
11         String temp;
12         while ((temp = at.readLine()) != null) {
13             assertEquals(ep.readLine(), temp);
14         }
15         
16         at.close();
17         actual.close();
18         ep.close();
19         expect.close();
20     }
 1     @Test
 2     public void testMain2() throws Exception {
 3         String[] test = { "E:\\Test3" };　　　　//文件夹中内容为Test1.txt
 4         WordFrequencyCount.main(test);
 5         
 6         FileReader expect = new FileReader("E:\\Test\\Expect.txt");
 7         BufferedReader ep = new BufferedReader(expect);
 8         FileReader actual = new FileReader("Result.txt");
 9         BufferedReader at = new BufferedReader(actual);
10         
11         String temp;
12         while ((temp = at.readLine()) != null) {
13             assertEquals(ep.readLine(), temp);
14         }
15         
16         at.close();
17         actual.close();
18         ep.close();
19         expect.close();
20 
21     }
 1     @Test
 2     public void testMain3() throws Exception {
 3         String[] test = {};
 4         String str = "< E:\\Test3\\Test1.txt\n";
 5         ByteArrayInputStream instr = new ByteArrayInputStream(str.getBytes());　　　　//将String转化为输入流
 6         
 7         System.setIn(instr);　　　　//重定向输入
 8         WordFrequencyCount.main(test);
 9         
10         FileReader expect = new FileReader("E:\\Test\\Expect.txt");
11         BufferedReader ep = new BufferedReader(expect);
12         FileReader actual = new FileReader("Result.txt");
13         BufferedReader at = new BufferedReader(actual);
14         
15         String temp;
16         while ((temp = at.readLine()) != null) {
17             assertEquals(ep.readLine(), temp);
18         }
19         
20         at.close();
21         actual.close();
22         ep.close();
23         expect.close();
24     }
 1     @Test
 2     public void testMain4() throws Exception {
 3         String[] test = {};
 4         String str = "content\nMy English is very very poor.\n";
 5         ByteArrayInputStream instr = new ByteArrayInputStream(str.getBytes());
 6         
 7         System.setIn(instr);
 8         
 9         final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
10         System.setOut(new PrintStream(outContent));
11         WordFrequencyCount.main(test);
12         assertEquals(
13                 "请输入文件名：\r\n请输入内容，结尾以回车后ctrl+z结束：\r\n~~~~~~~~~~~~~~~~~~~~\r\ncontent\r\ntotals of the words:6\r\nquantity of vocabulary:5\r\nvery——2\r\nenglish——1\r\nis——1\r\nmy——1\r\npoor——1\r\n~~~~~~~~~~~~~~~~~~~~\r\ntime:1ms\r\n",
14                 outContent.toString());
15     }　　　　　　　　//要考虑到main()函数中面向用户的输出
"         String s = "