sql/statement_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <string>
   6
   7 #include "base/bind.h"
   8 #include "base/files/file_util.h"
   9 #include "base/files/scoped_temp_dir.h"
  10 #include "sql/connection.h"
  11 #include "sql/correct_sql_test_base.h"
  12 #include "sql/statement.h"
  13 #include "sql/test/error_callback_support.h"
  14 #include "sql/test/scoped_error_ignorer.h"
  15 #include "testing/gtest/include/gtest/gtest.h"
  16 #include "third_party/sqlite/sqlite3.h"
  17
  18 namespace {
  19
  20 using SQLStatementTest = sql::SQLTestBase;
  21
  22 }  // namespace
  23
  24 TEST_F(SQLStatementTest, Assign) {
  25   sql::Statement s;
  26   EXPECT_FALSE(s.is_valid());
  27
  28   s.Assign(db().GetUniqueStatement("CREATE TABLE foo (a, b)"));
  29   EXPECT_TRUE(s.is_valid());
  30 }
  31
  32 TEST_F(SQLStatementTest, Run) {
  33   ASSERT_TRUE(db().Execute("CREATE TABLE foo (a, b)"));
  34   ASSERT_TRUE(db().Execute("INSERT INTO foo (a, b) VALUES (3, 12)"));
  35
  36   sql::Statement s(db().GetUniqueStatement("SELECT b FROM foo WHERE a=?"));
  37   EXPECT_FALSE(s.Succeeded());
  38
  39   // Stepping it won't work since we haven't bound the value.
  40   EXPECT_FALSE(s.Step());
  41
  42   // Run should fail since this produces output, and we should use Step(). This
  43   // gets a bit wonky since sqlite says this is OK so succeeded is set.
  44   s.Reset(true);
  45   s.BindInt(0, 3);
  46   EXPECT_FALSE(s.Run());
  47   EXPECT_EQ(SQLITE_ROW, db().GetErrorCode());
  48   EXPECT_TRUE(s.Succeeded());
  49
  50   // Resetting it should put it back to the previous state (not runnable).
  51   s.Reset(true);
  52   EXPECT_FALSE(s.Succeeded());
  53
  54   // Binding and stepping should produce one row.
  55   s.BindInt(0, 3);
  56   EXPECT_TRUE(s.Step());
  57   EXPECT_TRUE(s.Succeeded());
  58   EXPECT_EQ(12, s.ColumnInt(0));
  59   EXPECT_FALSE(s.Step());
  60   EXPECT_TRUE(s.Succeeded());
  61 }
  62
  63 // Error callback called for error running a statement.
  64 TEST_F(SQLStatementTest, ErrorCallback) {
  65   ASSERT_TRUE(db().Execute("CREATE TABLE foo (a INTEGER PRIMARY KEY, b)"));
  66
  67   int error = SQLITE_OK;
  68   sql::ScopedErrorCallback sec(
  69       &db(), base::Bind(&sql::CaptureErrorCallback, &error));
  70
  71   // Insert in the foo table the primary key. It is an error to insert
  72   // something other than an number. This error causes the error callback
  73   // handler to be called with SQLITE_MISMATCH as error code.
  74   sql::Statement s(db().GetUniqueStatement("INSERT INTO foo (a) VALUES (?)"));
  75   EXPECT_TRUE(s.is_valid());
  76   s.BindCString(0, "bad bad");
  77   EXPECT_FALSE(s.Run());
  78   EXPECT_EQ(SQLITE_MISMATCH, error);
  79 }
  80
  81 // Error ignorer works for error running a statement.
  82 TEST_F(SQLStatementTest, ScopedIgnoreError) {
  83   ASSERT_TRUE(db().Execute("CREATE TABLE foo (a INTEGER PRIMARY KEY, b)"));
  84
  85   sql::Statement s(db().GetUniqueStatement("INSERT INTO foo (a) VALUES (?)"));
  86   EXPECT_TRUE(s.is_valid());
  87
  88   sql::ScopedErrorIgnorer ignore_errors;
  89   ignore_errors.IgnoreError(SQLITE_MISMATCH);
  90   s.BindCString(0, "bad bad");
  91   ASSERT_FALSE(s.Run());
  92   ASSERT_TRUE(ignore_errors.CheckIgnoredErrors());
  93 }
  94
  95 TEST_F(SQLStatementTest, Reset) {
  96   ASSERT_TRUE(db().Execute("CREATE TABLE foo (a, b)"));
  97   ASSERT_TRUE(db().Execute("INSERT INTO foo (a, b) VALUES (3, 12)"));
  98   ASSERT_TRUE(db().Execute("INSERT INTO foo (a, b) VALUES (4, 13)"));
  99
 100   sql::Statement s(db().GetUniqueStatement(
 101       "SELECT b FROM foo WHERE a = ? "));
 102   s.BindInt(0, 3);
 103   ASSERT_TRUE(s.Step());
 104   EXPECT_EQ(12, s.ColumnInt(0));
 105   ASSERT_FALSE(s.Step());
 106
 107   s.Reset(false);
 108   // Verify that we can get all rows again.
 109   ASSERT_TRUE(s.Step());
 110   EXPECT_EQ(12, s.ColumnInt(0));
 111   EXPECT_FALSE(s.Step());
 112
 113   s.Reset(true);
 114   ASSERT_FALSE(s.Step());
 115 }