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