|
| 1 | +packageev3dev.utils; |
| 2 | + |
| 3 | +importorg.junit.AfterClass; |
| 4 | +importorg.junit.Before; |
| 5 | +importorg.junit.BeforeClass; |
| 6 | +importorg.junit.Test; |
| 7 | + |
| 8 | +importjava.io.IOException; |
| 9 | +importjava.nio.file.Files; |
| 10 | +importjava.nio.file.Path; |
| 11 | + |
| 12 | +importstaticorg.junit.Assert.assertEquals; |
| 13 | + |
| 14 | +/** |
| 15 | + * Some tests of DataChannelRewriter. |
| 16 | + * |
| 17 | + * @author David Walend |
| 18 | + */ |
| 19 | +publicclassDataChannelRewriterTest { |
| 20 | + |
| 21 | +staticPathtempDirectory; |
| 22 | +staticPathtestPath; |
| 23 | +staticfinalStringstartString ="Original String"; |
| 24 | +staticfinalStringdifferentString ="Written String"; |
| 25 | + |
| 26 | +@BeforeClass |
| 27 | +publicstaticvoidcreateFiles()throwsIOException { |
| 28 | +tempDirectory =Files.createTempDirectory("DataChannelRewriterTest"); |
| 29 | +testPath =Files.createFile(Path.of(tempDirectory.toString(),"testFile")); |
| 30 | +Files.write(testPath,startString.getBytes()); |
| 31 | + } |
| 32 | + |
| 33 | +@Before |
| 34 | +publicvoidwriteFile()throwsIOException { |
| 35 | +Files.write(testPath,startString.getBytes()); |
| 36 | + } |
| 37 | + |
| 38 | +@AfterClass |
| 39 | +publicstaticvoidcleanupFiles()throwsIOException { |
| 40 | +Files.delete(testPath); |
| 41 | +Files.delete(tempDirectory); |
| 42 | + } |
| 43 | + |
| 44 | + |
| 45 | +@Test |
| 46 | +publicvoidtestOpenClose()throwsIOException { |
| 47 | +DataChannelRewriterrewriter =newDataChannelRewriter(testPath,32); |
| 48 | +rewriter.close(); |
| 49 | + |
| 50 | +assertEquals(startString,Files.readString(testPath)); |
| 51 | + } |
| 52 | + |
| 53 | +@Test |
| 54 | +publicvoidtestOpenReadClose()throwsIOException { |
| 55 | +DataChannelRewriterrewriter =newDataChannelRewriter(testPath,32); |
| 56 | +rewriter.writeString(differentString); |
| 57 | +rewriter.close(); |
| 58 | + |
| 59 | +assertEquals(differentString+"\n",Files.readString(testPath)); |
| 60 | + } |
| 61 | + |
| 62 | +@Test |
| 63 | +publicvoidtestClosable()throwsIOException { |
| 64 | +try(DataChannelRewriterrewriter =newDataChannelRewriter(testPath,32)){ |
| 65 | +rewriter.writeString(differentString); |
| 66 | + } |
| 67 | +assertEquals(differentString+"\n",Files.readString(testPath)); |
| 68 | + } |
| 69 | + |
| 70 | +@Test |
| 71 | +publicvoidtestOpenWriteTwoThingsClose()throwsIOException { |
| 72 | +DataChannelRewriterrewriter =newDataChannelRewriter(testPath,32); |
| 73 | +rewriter.writeString(differentString); |
| 74 | +assertEquals(differentString+"\n",Files.readString(testPath)); |
| 75 | + |
| 76 | +StringanotherString ="Another String"; |
| 77 | +rewriter.writeString(anotherString); |
| 78 | + |
| 79 | +assertEquals(anotherString+"\n",Files.readString(testPath)); |
| 80 | + |
| 81 | +rewriter.close(); |
| 82 | + } |
| 83 | + |
| 84 | +@Test(expected =RuntimeException.class) |
| 85 | +publicvoidtestOpenNonexistentFile()throwsIOException { |
| 86 | +PathbadPath =Path.of("/does/not/exist"); |
| 87 | + |
| 88 | +DataChannelRewriterrewriter =newDataChannelRewriter(badPath,32); |
| 89 | +rewriter.writeString(differentString); |
| 90 | +rewriter.close(); |
| 91 | + } |
| 92 | +} |