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| 1 | +using Microsoft.Data.Sqlite; |
| 2 | +using Microsoft.Extensions.Logging.Abstractions; |
| 3 | +using System.Data.Common; |
| 4 | +using Cosmos.DataTransfer.Interfaces; |
| 5 | +using Cosmos.DataTransfer.Common; |
| 6 | +using Cosmos.DataTransfer.Common.UnitTests; |
| 7 | +using Moq; |
| 8 | +using Microsoft.Extensions.Configuration; |
| 9 | + |
| 10 | +namespace Cosmos.DataTransfer.SqlServerExtension.UnitTests; |
| 11 | + |
| 12 | +[TestClass] |
| 13 | +public class SqlServerDataSourceExtensionTests |
| 14 | +{ |
| 15 | + |
| 16 | + private static async Task<Tuple<SqliteFactory,DbConnection>> connectionFactory(CancellationToken cancellationToken = default(CancellationToken)) { |
| 17 | + var provider = SqliteFactory.Instance; |
| 18 | + var connection = provider.CreateConnection(); |
| 19 | + await connection.OpenAsync(cancellationToken); |
| 20 | + |
| 21 | + var cmd = connection.CreateCommand(); |
| 22 | + cmd.CommandText = @"CREATE TABLE foobar ( |
| 23 | + id INTEGER NOT NULL, |
| 24 | + name TEXT |
| 25 | + );"; |
| 26 | + await cmd.ExecuteNonQueryAsync(cancellationToken); |
| 27 | + cmd.CommandText = @"INSERT INTO foobar (id, name) |
| 28 | + VALUES (1, 'zoo');"; |
| 29 | + await cmd.ExecuteNonQueryAsync(cancellationToken); |
| 30 | + cmd.CommandText = @"INSERT INTO foobar (id, name) |
| 31 | + VALUES (2, NULL);"; |
| 32 | + await cmd.ExecuteNonQueryAsync(cancellationToken); |
| 33 | + |
| 34 | + return Tuple.Create(provider, connection); |
| 35 | + } |
| 36 | + |
| 37 | + [TestMethod] |
| 38 | + public async Task TestReadAsync() { |
| 39 | + var config = new Mock<IConfiguration>(); |
| 40 | + var cancellationToken = new CancellationTokenSource(500); |
| 41 | + var (providerFactory, connection) = await connectionFactory(cancellationToken.Token); |
| 42 | + |
| 43 | + var extension = new SqlServerDataSourceExtension(); |
| 44 | + Assert.AreEqual("SqlServer", extension.DisplayName); |
| 45 | + |
| 46 | + var result = await extension.ReadAsync(config.Object, NullLogger.Instance, |
| 47 | + "SELECT * FROM foobar", Array.Empty<DbParameter>(), connection, providerFactory, cancellationToken.Token).ToListAsync(); |
| 48 | + var expected = new List<DictionaryDataItem> { |
| 49 | + new DictionaryDataItem(new Dictionary<string, object?> { { "id", (long)1 }, { "name", "zoo" } }), |
| 50 | + new DictionaryDataItem(new Dictionary<string, object?> { { "id", (long)2 }, { "name", null } }) |
| 51 | + }; |
| 52 | + CollectionAssert.That.AreEqual(expected, result, new DataItemComparer()); |
| 53 | + } |
| 54 | + |
| 55 | + [TestMethod] |
| 56 | + public async Task TestReadAsyncWithParameters() { |
| 57 | + var config = new Mock<IConfiguration>(); |
| 58 | + var cancellationToken = new CancellationTokenSource(); |
| 59 | + var (providerFactory, connection) = await connectionFactory(cancellationToken.Token); |
| 60 | + |
| 61 | + var extension = new SqlServerDataSourceExtension(); |
| 62 | + Assert.AreEqual("SqlServer", extension.DisplayName); |
| 63 | + |
| 64 | + var parameter = providerFactory.CreateParameter(); |
| 65 | + parameter.ParameterName = "@x"; |
| 66 | + parameter.DbType = System.Data.DbType.Int32; |
| 67 | + parameter.Value = 2; |
| 68 | + |
| 69 | + var result = await extension.ReadAsync(config.Object, NullLogger.Instance, |
| 70 | + "SELECT * FROM foobar WHERE id = @x", |
| 71 | + new DbParameter[] { parameter }, connection, providerFactory, cancellationToken.Token).FirstAsync(); |
| 72 | + Assert.That.AreEqual(result, |
| 73 | + new DictionaryDataItem(new Dictionary<string, object?> { { "id", (long)2 }, { "name", null } }), |
| 74 | + new DataItemComparer()); |
| 75 | + } |
| 76 | + |
| 77 | + // Allows for testing against an actual SQL Server by specifying a |
| 78 | + // connectionstring in either a .runsettings-file or environment variable. |
| 79 | + // Example: Using sql.runsettings |
| 80 | + // <?xml version="1.0" encoding="utf-8"?> |
| 81 | + // <RunSettings> |
| 82 | + // <TestRunParameters> |
| 83 | + // <Parameter name="TestReadAsync_LiveSqlServer_ConnectionString" value="Your connection string" /> |
| 84 | + // </TestRunParameters> |
| 85 | + // </RunSettings> |
| 86 | + // run test with |
| 87 | + // dotnet test --settings sql.runsettings |
| 88 | +#pragma warning disable CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring as nullable. |
| 89 | + public TestContext TestContext { get; set; } |
| 90 | +#pragma warning restore CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring as nullable. |
| 91 | + [TestMethod] |
| 92 | + [Timeout(1000)] |
| 93 | + public async Task TestReadAsync_LiveSqlServer() { |
| 94 | + var connectionString = (string?)TestContext.Properties["TestReadAsync_LiveSqlServer_ConnectionString"]; |
| 95 | + connectionString ??= Environment.GetEnvironmentVariable("TestReadAsync_LiveSqlServer_ConnectionString"); |
| 96 | + if (connectionString is null) { |
| 97 | + Assert.Inconclusive("Could not run, as no connection string to live SQL Server was provided."); |
| 98 | + } |
| 99 | + |
| 100 | + var extension = new SqlServerDataSourceExtension(); |
| 101 | + var config = TestHelpers.CreateConfig(new Dictionary<string, string> { |
| 102 | + { "ConnectionString", connectionString! }, |
| 103 | + { "QueryText", "SELECT 1, 'foo' as bar, NULL as zoo;" } |
| 104 | + }); |
| 105 | + |
| 106 | + var result = await extension.ReadAsync(config, NullLogger.Instance).FirstAsync(); |
| 107 | + |
| 108 | + Assert.IsTrue(new DataItemComparer().Equals(result, |
| 109 | + new DictionaryDataItem(new Dictionary<string, object?> { |
| 110 | + { "", 1 }, |
| 111 | + { "bar", "foo" }, |
| 112 | + { "zoo", null } |
| 113 | + }))); |
| 114 | + } |
| 115 | +} |
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