1 /*
2 * Copyright (C) 2019 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "src/trace_processor/sqlite3_str_split.h"
18
19 #include <sqlite3.h>
20 #include <string>
21 #include "perfetto/base/logging.h"
22 #include "src/trace_processor/scoped_db.h"
23
24 #include "gtest/gtest.h"
25
26 namespace perfetto {
27 namespace trace_processor {
28 namespace {
29
30 class Sqlite3StrSplitTest : public ::testing::Test {
31 public:
Sqlite3StrSplitTest()32 Sqlite3StrSplitTest() {
33 sqlite3* db = nullptr;
34 PERFETTO_CHECK(sqlite3_open(":memory:", &db) == SQLITE_OK);
35 db_.reset(db);
36 sqlite3_str_split_init(db_.get());
37 }
38
SplitStmt(const std::string & str,const std::string & delim,int field)39 const char* SplitStmt(const std::string& str,
40 const std::string& delim,
41 int field) {
42 const std::string sql = "SELECT STR_SPLIT(\"" + str + "\", \"" + delim +
43 "\", " + std::to_string(field) + ");";
44 sqlite3_stmt* stmt = nullptr;
45 PERFETTO_CHECK(sqlite3_prepare_v2(*db_, sql.c_str(),
46 static_cast<int>(sql.size()), &stmt,
47 nullptr) == SQLITE_OK);
48 stmt_.reset(stmt);
49 PERFETTO_CHECK(sqlite3_step(stmt) == SQLITE_ROW);
50 if (sqlite3_column_type(stmt, 0) == SQLITE_NULL) {
51 return nullptr;
52 }
53 return reinterpret_cast<const char*>(sqlite3_column_text(stmt, 0));
54 }
55
56 protected:
57 ScopedDb db_;
58 ScopedStmt stmt_;
59 };
60
TEST_F(Sqlite3StrSplitTest,SplitNoDelimiter)61 TEST_F(Sqlite3StrSplitTest, SplitNoDelimiter) {
62 ASSERT_STREQ(SplitStmt("abc", ":", 0), "abc");
63 ASSERT_EQ(SplitStmt("abc", ":", 1), nullptr);
64 }
65
TEST_F(Sqlite3StrSplitTest,SplitSingleCharDelim)66 TEST_F(Sqlite3StrSplitTest, SplitSingleCharDelim) {
67 ASSERT_STREQ(SplitStmt("a:bc", ":", 0), "a");
68 ASSERT_STREQ(SplitStmt("a:bc", ":", 1), "bc");
69 ASSERT_EQ(SplitStmt("a:bc", ":", 2), nullptr);
70 }
71
TEST_F(Sqlite3StrSplitTest,SplitInputConsecutiveDelim)72 TEST_F(Sqlite3StrSplitTest, SplitInputConsecutiveDelim) {
73 ASSERT_STREQ(SplitStmt("a::b::c", ":", 0), "a");
74 ASSERT_STREQ(SplitStmt("a::b::c", ":", 1), "");
75 ASSERT_STREQ(SplitStmt("a::b::c", ":", 2), "b");
76 ASSERT_STREQ(SplitStmt("a::b::c", ":", 3), "");
77 ASSERT_STREQ(SplitStmt("a::b::c", ":", 4), "c");
78 ASSERT_EQ(SplitStmt("a::b::c", ":", 5), nullptr);
79 }
80
TEST_F(Sqlite3StrSplitTest,SplitStringDelim)81 TEST_F(Sqlite3StrSplitTest, SplitStringDelim) {
82 ASSERT_STREQ(SplitStmt("abczzdefzzghi", "zz", 0), "abc");
83 ASSERT_STREQ(SplitStmt("abczzdefzzghi", "zz", 1), "def");
84 ASSERT_STREQ(SplitStmt("abczzdefzzghi", "zz", 2), "ghi");
85 }
86
TEST_F(Sqlite3StrSplitTest,SplitEmptyInput)87 TEST_F(Sqlite3StrSplitTest, SplitEmptyInput) {
88 ASSERT_STREQ(SplitStmt("", "zz", 0), "");
89 ASSERT_EQ(SplitStmt("", "zz", 1), nullptr);
90 ASSERT_EQ(SplitStmt("", "zz", 1000), nullptr);
91 }
92
93 } // namespace
94 } // namespace trace_processor
95 } // namespace perfetto
96