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@@ -6,23 +6,8 @@ namespace Vitorm.MsTest.CommonTest
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{
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[TestClass]
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- public class Query_Test
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+ public class Query_LinqMethods_Test
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{
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- [TestMethod]
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- public void Test_Get()
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- {
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- {
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- using var dbContext = DataSource.CreateDbContext();
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- var user = dbContext.Get<User>(3);
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- Assert.AreEqual(3, user?.id);
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- }
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- {
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- using var dbContext = DataSource.CreateDbContext();
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- var user = dbContext.DbSet<User>().Get(5);
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- Assert.AreEqual(5, user?.id);
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- }
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- }
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-
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@@ -49,44 +34,62 @@ namespace Vitorm.MsTest.CommonTest
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}
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-
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[TestMethod]
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- public void Test_Where()
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+ public void Test_AllFeatures()
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{
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using var dbContext = DataSource.CreateDbContext();
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var userQuery = dbContext.Query<User>();
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+ #region SelectMany().Where().OrderBy().Skip().Take().ToExecuteString()
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+ /*
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+ users.SelectMany(
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+ user => users.Where(father => user.fatherId == father.id).DefaultIfEmpty()
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+ , (user, father) => new {user = user, father = father}
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+ ).Where(row => row.user.id > 2)
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+ .Select(row => new {row.user })
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+ .OrderBy(user=>user.id)
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+ .Skip(1).Take(2);
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+ */
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{
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- var userList = userQuery.Where(u => u.id > 2).Where(m => m.id < 4).ToList();
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- Assert.AreEqual(1, userList.Count);
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- Assert.AreEqual(3, userList.First().id);
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- }
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- {
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- var userList = userQuery.Where(u => u.id == 3).Where(m => m.fatherId == 5).ToList();
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- Assert.AreEqual(3, userList.First().id);
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- }
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- {
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- var userList = userQuery.Where(u => u.id + 1 == 4).Where(m => m.fatherId == 5).ToList();
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- Assert.AreEqual(3, userList.First().id);
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- }
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- {
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- var userList = userQuery.Where(u => 4 == u.id + 1).Where(m => m.fatherId == 5).ToList();
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- Assert.AreEqual(3, userList.First().id);
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+ var query = (from user in userQuery
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+ from father in userQuery.Where(father => user.fatherId == father.id).DefaultIfEmpty()
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+ where user.id > 2
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+ orderby father.id, user.id descending
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+ select new
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+ {
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+ user
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+ })
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+ .Skip(1).Take(2);
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+
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+ var sql = query.ToExecuteString();
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+ var list = query.ToList();
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+
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+ Assert.AreEqual(2, list.Count);
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+ Assert.AreEqual(5, list[0].user.id);
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+ Assert.AreEqual(4, list[1].user.id);
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}
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+ #endregion
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+ }
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+
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+ [TestMethod]
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+ public void Test_Get()
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+ {
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{
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- var userList = userQuery.Where(u => u.birth == new DateTime(2021, 01, 01, 03, 00, 00)).ToList();
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- Assert.AreEqual(1, userList.Count);
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- Assert.AreEqual(3, userList.First().id);
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+ using var dbContext = DataSource.CreateDbContext();
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+ var user = dbContext.Get<User>(3);
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+ Assert.AreEqual(3, user?.id);
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}
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{
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- var userList = userQuery.Where(u => u.birth == DateTime.Parse("2021-01-01 01:00:00").AddHours(2)).ToList();
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- Assert.AreEqual(1, userList.Count);
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- Assert.AreEqual(3, userList.First().id);
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+ using var dbContext = DataSource.CreateDbContext();
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+ var user = dbContext.DbSet<User>().Get(5);
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+ Assert.AreEqual(5, user?.id);
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}
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}
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+
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+
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[TestMethod]
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public void Test_Select()
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{
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@@ -136,42 +139,6 @@ namespace Vitorm.MsTest.CommonTest
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}
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- [TestMethod]
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- public void Test_AllFeatures()
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- {
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- using var dbContext = DataSource.CreateDbContext();
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- var userQuery = dbContext.Query<User>();
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-
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- #region SelectMany().Where().OrderBy().Skip().Take().ToExecuteString()
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- /*
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- users.SelectMany(
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- user => users.Where(father => user.fatherId == father.id).DefaultIfEmpty()
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- , (user, father) => new {user = user, father = father}
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- ).Where(row => row.user.id > 2)
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- .Select(row => new {row.user })
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- .OrderBy(user=>user.id)
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- .Skip(1).Take(2);
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- */
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- {
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- var query = (from user in userQuery
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- from father in userQuery.Where(father => user.fatherId == father.id).DefaultIfEmpty()
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- where user.id > 2
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- orderby father.id, user.id descending
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- select new
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- {
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- user
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- })
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- .Skip(1).Take(2);
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-
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- var sql = query.ToExecuteString();
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- var list = query.ToList();
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-
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- Assert.AreEqual(2, list.Count);
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- Assert.AreEqual(5, list[0].user.id);
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- Assert.AreEqual(4, list[1].user.id);
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- }
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- #endregion
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- }
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@@ -181,6 +148,11 @@ namespace Vitorm.MsTest.CommonTest
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using var dbContext = DataSource.CreateDbContext();
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var userQuery = dbContext.Query<User>();
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+ {
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+ var id = userQuery.Select(u => u.id).FirstOrDefault();
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+ Assert.AreEqual(1, id);
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+ }
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+
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{
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var user = userQuery.FirstOrDefault();
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Assert.AreEqual(1, user?.id);
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@@ -322,95 +294,6 @@ namespace Vitorm.MsTest.CommonTest
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- // Enumerable.Contains
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- // Queryable.Contains
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- [TestMethod]
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- public void Test_Contains()
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- {
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- using var dbContext = DataSource.CreateDbContext();
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- var userQuery = dbContext.Query<User>();
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-
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- // string in
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- {
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- var userList = userQuery.Where(u => new[] { "u3", "u5" }.Contains(u.name)).ToList();
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- Assert.AreEqual(2, userList.Count);
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- Assert.AreEqual(3, userList.First().id);
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- Assert.AreEqual(5, userList.Last().id);
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- }
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- // string not in
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- {
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- var userList = userQuery.Where(u => !new[] { "u3", "u5" }.Contains(u.name)).ToList();
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- Assert.AreEqual(4, userList.Count);
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- Assert.AreEqual(1, userList.First().id);
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- Assert.AreEqual(4, userList[2].id);
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- }
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-
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- // numeric in
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- {
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- var userList = userQuery.Where(u => new[] { 3, 5 }.Contains(u.id)).ToList();
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- Assert.AreEqual(2, userList.Count);
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- Assert.AreEqual(3, userList.First().id);
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- Assert.AreEqual(5, userList.Last().id);
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- }
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- {
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- var ids = new[] { 3, 5 }.AsEnumerable();
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- var userList = userQuery.Where(u => ids.Contains(u.id)).ToList();
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- Assert.AreEqual(2, userList.Count);
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- Assert.AreEqual(3, userList.First().id);
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- Assert.AreEqual(5, userList.Last().id);
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- }
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- {
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- var ids = new[] { 3, 5 }.AsQueryable();
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- var userList = userQuery.Where(u => ids.Contains(u.id)).ToList();
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- Assert.AreEqual(2, userList.Count);
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- Assert.AreEqual(3, userList.First().id);
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- Assert.AreEqual(5, userList.Last().id);
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- }
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- }
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-
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- [TestMethod]
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- public void Test_StringMethods()
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- {
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- using var dbContext = DataSource.CreateDbContext();
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- var userQuery = dbContext.Query<User>();
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-
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- userQuery.ExecuteUpdate(row => new User
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- {
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- name = "u|" + row.id + "|" + (row.fatherId.ToString() ?? "") + "|" + (row.motherId.ToString() ?? "")
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- });
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-
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- // StartsWith
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- {
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- var query = userQuery.Where(u => u.name.StartsWith("u|3|5"));
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- var sql = query.ToExecuteString();
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- var userList = query.ToList();
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- Assert.AreEqual(1, userList.Count);
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- Assert.AreEqual(3, userList.First().id);
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- Assert.AreEqual("u|3|5|6", userList.First().name);
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- }
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- // EndsWith
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- {
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- var query = userQuery.Where(u => u.name.EndsWith("3|5|6"));
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- var sql = query.ToExecuteString();
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- var userList = query.ToList();
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- Assert.AreEqual(1, userList.Count);
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- Assert.AreEqual(3, userList.First().id);
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- Assert.AreEqual("u|3|5|6", userList.First().name);
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- }
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- // Contains
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- {
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- var query = userQuery.Where(u => u.name.Contains("|3|5|"));
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- var sql = query.ToExecuteString();
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- var userList = query.ToList();
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- Assert.AreEqual(1, userList.Count);
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- Assert.AreEqual(3, userList.First().id);
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- Assert.AreEqual("u|3|5|6", userList.First().name);
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- }
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- }
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-
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-
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-
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-
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[TestMethod]
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public void Test_Distinct()
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{
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