Exemplo n.º 1
0
        public void DoTestOlderProteomeDb(TestContext testContext, bool doActualWebAccess)
        {
            using (var testFilesDir = new TestFilesDir(testContext, ZIP_FILE))
            {
                string fastaPath  = testFilesDir.GetTestPath("tiny.fasta");
                string protDbPath = testFilesDir.GetTestPath("celegans_mini.protdb"); // a version 0 protdb file
                string blibPath   = testFilesDir.GetTestPath("random.blib");          // a bibliospec file

                // What happens when you try to open a random file as a protdb file?
                AssertEx.ThrowsException <DbException>(() => ProteomeDb.OpenProteomeDb(fastaPath));

                // What happens when you try to open a non-protdb database file as a protdb file?
                AssertEx.ThrowsException <FileLoadException>(() => ProteomeDb.OpenProteomeDb(blibPath));

                using (ProteomeDb proteomeDb = ProteomeDb.OpenProteomeDb(protDbPath))
                {
                    Assert.IsTrue(proteomeDb.GetSchemaVersionMajor() == 0); // the initial db from our zipfile should be ancient
                    Assert.IsTrue(proteomeDb.GetSchemaVersionMinor() == 0); // the initial db from our zipfile should be ancient
                    Assert.AreEqual(9, proteomeDb.GetProteinCount());

                    var protein = proteomeDb.GetProteinByName("Y18D10A.20");
                    Assert.IsNotNull(protein);
                    Assert.IsTrue(String.IsNullOrEmpty(protein.Accession)); // old db won't have this populated

                    WebEnabledFastaImporter searcher = new WebEnabledFastaImporter(doActualWebAccess ? null :new WebEnabledFastaImporter.FakeWebSearchProvider());
                    bool            searchComplete;
                    IProgressStatus status = new ProgressStatus(string.Empty);
                    Assert.IsTrue(proteomeDb.LookupProteinMetadata(new SilentProgressMonitor(), ref status, searcher, false, out searchComplete)); // add any missing protein metadata
                    Assert.IsTrue(searchComplete);

                    protein = proteomeDb.GetProteinByName("Y18D10A.20");
                    Assert.IsNotNull(protein);
                    if (doActualWebAccess) // We can actually go to the web for metadata
                    {
                        Assert.AreEqual("Q9XW16", protein.Accession);
                    }

                    using (var reader = new StreamReader(fastaPath))
                    {
                        proteomeDb.AddFastaFile(reader, new SilentProgressMonitor(), ref status, false);
                    }
                    // the act of writing should update to the current version
                    Assert.AreEqual(ProteomeDb.SCHEMA_VERSION_MAJOR_CURRENT, proteomeDb.GetSchemaVersionMajor());
                    Assert.AreEqual(ProteomeDb.SCHEMA_VERSION_MINOR_CURRENT, proteomeDb.GetSchemaVersionMinor());
                    Assert.AreEqual(19, proteomeDb.GetProteinCount());

                    // check for propery processed protein metadata
                    Assert.IsTrue(proteomeDb.LookupProteinMetadata(new SilentProgressMonitor(), ref status, searcher, false, out searchComplete));
                    Assert.IsTrue(searchComplete);
                    protein = proteomeDb.GetProteinByName("IPI00000044");
                    Assert.IsNotNull(protein);
                    Assert.AreEqual("P01127", protein.Accession); // We get this offline with our ipi->uniprot mapper
                    if (doActualWebAccess)
                    {
                        Assert.AreEqual("PDGFB_HUMAN", protein.PreferredName); // But this we get only with web access
                    }

/*
 *                  // TODO(bspratt): fix  "GetDigestion has no notion of a Db that has been added to, doesn't digest the new proteins and returns immediately (issue #304)"
 *                  Enzyme trypsin = EnzymeList.GetDefault();
 *                  proteomeDb.Digest(trypsin,  new SilentProgressMonitor());
 *                  Digestion digestion = proteomeDb.GetDigestion(trypsin.Name);
 *                  var digestedProteins0 = digestion.GetProteinsWithSequencePrefix("EDGWVK", 100);
 *                  Assert.IsTrue(digestedProteins0.Count >= 1);
 * */
                }
            }
        }