HyriseSQLParser/test/sql_tests.cpp

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/*
* sql_tests.cpp
*/
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#include "lib/test.h"
#include "lib/helper.h"
#include "SQLParser.h"
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#include "sqlhelper.h"
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using namespace hsql;
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TEST(DeleteStatementTest) {
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SQLStatementList* stmt_list = SQLParser::parseSQLString("DELETE FROM students WHERE grade > 2.0;");
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ASSERT(stmt_list->isValid);
ASSERT_EQ(stmt_list->numStatements(), 1);
ASSERT(stmt_list->getStatement(0)->type() == kStmtDelete);
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DeleteStatement* stmt = (DeleteStatement*) stmt_list->getStatement(0);
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ASSERT_STREQ(stmt->table_name, "students");
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ASSERT_NOTNULL(stmt->expr);
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ASSERT(stmt->expr->isType(kExprOperator));
ASSERT_STREQ(stmt->expr->expr->name, "grade");
ASSERT_EQ(stmt->expr->expr2->fval, 2.0);
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}
TEST(CreateStatementTest) {
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SQLStatementList* stmt_list = SQLParser::parseSQLString("CREATE TABLE students (name TEXT, student_number INT, city INTEGER, grade DOUBLE)");
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ASSERT(stmt_list->isValid);
ASSERT_EQ(stmt_list->numStatements(), 1);
ASSERT_EQ(stmt_list->getStatement(0)->type(), kStmtCreate);
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CreateStatement* stmt = (CreateStatement*) stmt_list->getStatement(0);
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ASSERT_EQ(stmt->type, CreateStatement::kTable);
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ASSERT_STREQ(stmt->table_name, "students");
ASSERT_NOTNULL(stmt->columns);
ASSERT_EQ(stmt->columns->size(), 4);
ASSERT_STREQ(stmt->columns->at(0)->name, "name");
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ASSERT_STREQ(stmt->columns->at(1)->name, "student_number");
ASSERT_STREQ(stmt->columns->at(2)->name, "city");
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ASSERT_STREQ(stmt->columns->at(3)->name, "grade");
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ASSERT_EQ(stmt->columns->at(0)->type, ColumnDefinition::TEXT);
ASSERT_EQ(stmt->columns->at(1)->type, ColumnDefinition::INT);
ASSERT_EQ(stmt->columns->at(2)->type, ColumnDefinition::INT);
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ASSERT_EQ(stmt->columns->at(3)->type, ColumnDefinition::DOUBLE);
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}
TEST(UpdateStatementTest) {
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SQLStatementList* stmt_list = SQLParser::parseSQLString("UPDATE students SET grade = 5.0, name = 'test' WHERE name = 'Max Mustermann';");
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ASSERT(stmt_list->isValid);
ASSERT_EQ(stmt_list->numStatements(), 1);
ASSERT_EQ(stmt_list->getStatement(0)->type(), kStmtUpdate);
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UpdateStatement* stmt = (UpdateStatement*) stmt_list->getStatement(0);
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ASSERT_NOTNULL(stmt->table);
ASSERT_STREQ(stmt->table->name, "students");
ASSERT_NOTNULL(stmt->updates);
ASSERT_EQ(stmt->updates->size(), 2);
ASSERT_STREQ(stmt->updates->at(0)->column, "grade");
ASSERT_STREQ(stmt->updates->at(1)->column, "name");
ASSERT(stmt->updates->at(0)->value->isType(kExprLiteralFloat));
ASSERT(stmt->updates->at(1)->value->isType(kExprLiteralString));
ASSERT_EQ(stmt->updates->at(0)->value->fval, 5.0);
ASSERT_STREQ(stmt->updates->at(1)->value->name, "test");
ASSERT_NOTNULL(stmt->where);
ASSERT(stmt->where->isType(kExprOperator));
ASSERT(stmt->where->isSimpleOp('='));
ASSERT_STREQ(stmt->where->expr->name, "name");
ASSERT_STREQ(stmt->where->expr2->name, "Max Mustermann");
}
TEST(InsertStatementTest) {
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TEST_PARSE_SINGLE_SQL("INSERT INTO students VALUES ('Max Mustermann', 12345, 'Musterhausen', 2.0)", kStmtInsert, InsertStatement, stmt);
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ASSERT_EQ(stmt->values->size(), 4);
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// TODO
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}
TEST(DropTableStatementTest) {
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TEST_PARSE_SINGLE_SQL("DROP TABLE students", kStmtDrop, DropStatement, stmt);
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ASSERT_EQ(stmt->type, DropStatement::kTable);
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ASSERT_NOTNULL(stmt->name);
ASSERT_STREQ(stmt->name, "students");
}
TEST(PrepareStatementTest) {
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std::string query = "PREPARE test {"
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"INSERT INTO test VALUES(?);"
"SELECT ?, test FROM test WHERE c1 = ?;"
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"};"
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"PREPARE stmt: SELECT * FROM data WHERE c1 = ?;"
"DEALLOCATE PREPARE stmt;";
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TEST_PARSE_SQL_QUERY(query, stmt_list, 3);
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TEST_CAST_STMT(stmt_list, 0, kStmtPrepare, PrepareStatement, prep1);
TEST_CAST_STMT(stmt_list, 1, kStmtPrepare, PrepareStatement, prep2);
TEST_CAST_STMT(stmt_list, 2, kStmtDrop, DropStatement, drop);
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// Prepare Statement #1
ASSERT_STREQ(prep1->name, "test");
ASSERT_EQ(prep1->placeholders.size(), 3);
ASSERT_EQ(prep1->query->numStatements(), 2);
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TEST_CAST_STMT(prep1->query, 0, kStmtInsert, InsertStatement, insert);
TEST_CAST_STMT(prep1->query, 1, kStmtSelect, SelectStatement, select);
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ASSERT(insert->values->at(0)->isType(kExprPlaceholder));
ASSERT(select->select_list->at(0)->isType(kExprPlaceholder));
ASSERT(select->where_clause->expr2->isType(kExprPlaceholder));
// Check IDs of placeholders
ASSERT_EQ(insert->values->at(0)->ival, 0);
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ASSERT_EQ(insert->values->at(0), prep1->placeholders[0]);
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ASSERT_EQ(select->select_list->at(0)->ival, 1);
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ASSERT_EQ(select->select_list->at(0), prep1->placeholders[1]);
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ASSERT_EQ(select->where_clause->expr2->ival, 2);
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ASSERT_EQ(select->where_clause->expr2, prep1->placeholders[2]);
// Prepare Statement #2
ASSERT_STREQ(prep2->name, "stmt");
ASSERT_EQ(prep2->placeholders.size(), 1);
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// Deallocate Statement
ASSERT_EQ(drop->type, DropStatement::kPreparedStatement);
ASSERT_STREQ(drop->name, "stmt");
}
TEST(ExecuteStatementTest) {
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TEST_PARSE_SINGLE_SQL("EXECUTE test(1, 2);", kStmtExecute, ExecuteStatement, stmt);
ASSERT_STREQ(stmt->name, "test");
ASSERT_EQ(stmt->parameters->size(), 2);
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}