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/statement.h"
  12 #include "sql/test/error_callback_support.h"
  13 #include "sql/test/scoped_error_ignorer.h"
  14 #include "testing/gtest/include/gtest/gtest.h"
  15 #include "third_party/sqlite/sqlite3.h"
  16
  17 namespace {
  18
  19 class SQLStatementTest : public testing::Test {
  20  public:
  21   virtual void SetUp() {
  22     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
  23     ASSERT_TRUE(db_.Open(temp_dir_.path().AppendASCII("SQLStatementTest.db")));
  24   }
  25
  26   virtual void TearDown() {
  27     db_.Close();
  28   }
  29
  30   sql::Connection& db() { return db_; }
  31
  32  private:
  33   base::ScopedTempDir temp_dir_;
  34   sql::Connection db_;
  35 };
  36
  37 }  // namespace
  38
  39 TEST_F(SQLStatementTest, Assign) {
  40   sql::Statement s;
  41   EXPECT_FALSE(s.is_valid());
  42
  43   s.Assign(db().GetUniqueStatement("CREATE TABLE foo (a, b)"));
  44   EXPECT_TRUE(s.is_valid());
  45 }
  46
  47 TEST_F(SQLStatementTest, Run) {
  48   ASSERT_TRUE(db().Execute("CREATE TABLE foo (a, b)"));
  49   ASSERT_TRUE(db().Execute("INSERT INTO foo (a, b) VALUES (3, 12)"));
  50
  51   sql::Statement s(db().GetUniqueStatement("SELECT b FROM foo WHERE a=?"));
  52   EXPECT_FALSE(s.Succeeded());
  53
  54   // Stepping it won't work since we haven't bound the value.
  55   EXPECT_FALSE(s.Step());
  56
  57   // Run should fail since this produces output, and we should use Step(). This
  58   // gets a bit wonky since sqlite says this is OK so succeeded is set.
  59   s.Reset(true);
  60   s.BindInt(0, 3);
  61   EXPECT_FALSE(s.Run());
  62   EXPECT_EQ(SQLITE_ROW, db().GetErrorCode());
  63   EXPECT_TRUE(s.Succeeded());
  64
  65   // Resetting it should put it back to the previous state (not runnable).
  66   s.Reset(true);
  67   EXPECT_FALSE(s.Succeeded());
  68
  69   // Binding and stepping should produce one row.
  70   s.BindInt(0, 3);
  71   EXPECT_TRUE(s.Step());
  72   EXPECT_TRUE(s.Succeeded());
  73   EXPECT_EQ(12, s.ColumnInt(0));
  74   EXPECT_FALSE(s.Step());
  75   EXPECT_TRUE(s.Succeeded());
  76 }
  77
  78 // Error callback called for error running a statement.
  79 TEST_F(SQLStatementTest, ErrorCallback) {
  80   ASSERT_TRUE(db().Execute("CREATE TABLE foo (a INTEGER PRIMARY KEY, b)"));
  81
  82   int error = SQLITE_OK;
  83   sql::ScopedErrorCallback sec(
  84       &db(), base::Bind(&sql::CaptureErrorCallback, &error));
  85
  86   // Insert in the foo table the primary key. It is an error to insert
  87   // something other than an number. This error causes the error callback
  88   // handler to be called with SQLITE_MISMATCH as error code.
  89   sql::Statement s(db().GetUniqueStatement("INSERT INTO foo (a) VALUES (?)"));
  90   EXPECT_TRUE(s.is_valid());
  91   s.BindCString(0, "bad bad");
  92   EXPECT_FALSE(s.Run());
  93   EXPECT_EQ(SQLITE_MISMATCH, error);
  94 }
  95
  96 // Error ignorer works for error running a statement.
  97 TEST_F(SQLStatementTest, ScopedIgnoreError) {
  98   ASSERT_TRUE(db().Execute("CREATE TABLE foo (a INTEGER PRIMARY KEY, b)"));
  99
 100   sql::Statement s(db().GetUniqueStatement("INSERT INTO foo (a) VALUES (?)"));
 101   EXPECT_TRUE(s.is_valid());
 102
 103   sql::ScopedErrorIgnorer ignore_errors;
 104   ignore_errors.IgnoreError(SQLITE_MISMATCH);
 105   s.BindCString(0, "bad bad");
 106   ASSERT_FALSE(s.Run());
 107   ASSERT_TRUE(ignore_errors.CheckIgnoredErrors());
 108 }
 109
 110 TEST_F(SQLStatementTest, Reset) {
 111   ASSERT_TRUE(db().Execute("CREATE TABLE foo (a, b)"));
 112   ASSERT_TRUE(db().Execute("INSERT INTO foo (a, b) VALUES (3, 12)"));
 113   ASSERT_TRUE(db().Execute("INSERT INTO foo (a, b) VALUES (4, 13)"));
 114
 115   sql::Statement s(db().GetUniqueStatement(
 116       "SELECT b FROM foo WHERE a = ? "));
 117   s.BindInt(0, 3);
 118   ASSERT_TRUE(s.Step());
 119   EXPECT_EQ(12, s.ColumnInt(0));
 120   ASSERT_FALSE(s.Step());
 121
 122   s.Reset(false);
 123   // Verify that we can get all rows again.
 124   ASSERT_TRUE(s.Step());
 125   EXPECT_EQ(12, s.ColumnInt(0));
 126   EXPECT_FALSE(s.Step());
 127
 128   s.Reset(true);
 129   ASSERT_FALSE(s.Step());
 130 }