Added test 262.

Author: javadev

src/main/java/g0201_0300/s0262_trips_and_users/script.sql

@@ -1,14 +1,14 @@
 # Write your MySQL query statement below
 # #Hard #Database #2022_07_05_Time_420_ms_(95.80%)_Space_0B_(100.00%)
 SELECT request_at AS "Day",
-       ROUND(SUM(CASE
-                     WHEN t.status!= 'completed' THEN 1
+       ROUND(cast(SUM(CASE
+                     WHEN t.status != 'completed' THEN 1
                      ELSE 0
-                 END)/count(*), 2) AS "Cancellation Rate"
+                 END) as decimal(7,2))/count(*), 2) AS "Cancellation Rate"
 FROM Trips t
 INNER JOIN Users a ON (a.users_id = t.client_id)
-AND (a.banned="No")
+AND (a.banned='No')
 INNER JOIN Users b ON (b.users_id = t.driver_id)
-AND (b.banned="No")
-WHERE request_at BETWEEN "2013-10-01" AND "2013-10-03"
+AND (b.banned='No')
+WHERE request_at BETWEEN '2013-10-01' AND '2013-10-03'
 GROUP BY request_at;

src/test/java/g0201_0300/s0262_trips_and_users/MysqlTest.java

@@ -0,0 +1,83 @@
+package g0201_0300.s0262_trips_and_users;
+
+import static org.hamcrest.CoreMatchers.equalTo;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+import java.io.BufferedReader;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.stream.Collectors;
+import javax.sql.DataSource;
+import org.junit.jupiter.api.Test;
+import org.zapodot.junit.db.annotations.EmbeddedDatabase;
+import org.zapodot.junit.db.annotations.EmbeddedDatabaseTest;
+import org.zapodot.junit.db.common.CompatibilityMode;
+
+@EmbeddedDatabaseTest(
+        compatibilityMode = CompatibilityMode.MySQL,
+        initialSqls = {
+            "CREATE TABLE Trips(id INTEGER PRIMARY KEY, client_id INTEGER, "
+                    + "driver_id INTEGER, city_id INTEGER, status VARCHAR, request_at DATE); "
+                    + "INSERT INTO Trips(id, client_id, driver_id, city_id, "
+                    + "status, request_at) VALUES (1, 1, 10, 1, 'completed', '2013-10-01'); "
+                    + "INSERT INTO Trips(id, client_id, driver_id, city_id, "
+                    + "status, request_at) VALUES (2, 2, 11, 1, 'cancelled_by_driver', '2013-10-01'); "
+                    + "INSERT INTO Trips(id, client_id, driver_id, city_id, "
+                    + "status, request_at) VALUES (3, 3, 12, 6, 'completed', '2013-10-01'); "
+                    + "INSERT INTO Trips(id, client_id, driver_id, city_id, "
+                    + "status, request_at) VALUES (4, 4, 13, 6, 'cancelled_by_driver', '2013-10-01'); "
+                    + "INSERT INTO Trips(id, client_id, driver_id, city_id, "
+                    + "status, request_at) VALUES (5, 1, 10, 1, 'completed', '2013-10-02'); "
+                    + "INSERT INTO Trips(id, client_id, driver_id, city_id, "
+                    + "status, request_at) VALUES (6, 2, 11, 6, 'completed', '2013-10-02'); "
+                    + "INSERT INTO Trips(id, client_id, driver_id, city_id, "
+                    + "status, request_at) VALUES (7, 3, 12, 6, 'completed', '2013-10-02'); "
+                    + "INSERT INTO Trips(id, client_id, driver_id, city_id, "
+                    + "status, request_at) VALUES (8, 2, 12, 12, 'completed', '2013-10-03'); "
+                    + "INSERT INTO Trips(id, client_id, driver_id, city_id, "
+                    + "status, request_at) VALUES (9, 3, 10, 12, 'completed', '2013-10-03'); "
+                    + "INSERT INTO Trips(id, client_id, driver_id, city_id, "
+                    + "status, request_at) VALUES (10, 4, 13, 12, 'cancelled_by_driver', '2013-10-03'); ",
+            "CREATE TABLE Users(users_id INTEGER, banned VARCHAR, role VARCHAR); "
+                    + "INSERT INTO Users(users_id, banned, role) VALUES (1, 'No', 'client'); "
+                    + "INSERT INTO Users(users_id, banned, role) VALUES (2, 'No', 'client'); "
+                    + "INSERT INTO Users(users_id, banned, role) VALUES (3, 'No', 'client'); "
+                    + "INSERT INTO Users(users_id, banned, role) VALUES (4, 'No', 'client'); "
+                    + "INSERT INTO Users(users_id, banned, role) VALUES (10, 'No', 'driver'); "
+                    + "INSERT INTO Users(users_id, banned, role) VALUES (11, 'No', 'driver'); "
+                    + "INSERT INTO Users(users_id, banned, role) VALUES (12, 'No', 'driver'); "
+                    + "INSERT INTO Users(users_id, banned, role) VALUES (13, 'No', 'driver'); "
+        })
+class MysqlTest {
+    @Test
+    void testScript(@EmbeddedDatabase DataSource dataSource)
+            throws SQLException, FileNotFoundException {
+        try (final Connection connection = dataSource.getConnection()) {
+            try (final Statement statement = connection.createStatement();
+                    final ResultSet resultSet =
+                            statement.executeQuery(
+                                    new BufferedReader(
+                                                    new FileReader(
+                                                            "src/main/java/g0201_0300/"
+                                                                    + "s0262_trips_and_users/script.sql"))
+                                            .lines()
+                                            .collect(Collectors.joining("\n"))
+                                            .replaceAll("#.*?\\r?\\n", ""))) {
+                assertThat(resultSet.next(), equalTo(true));
+                assertThat(resultSet.getDate(1).toString(), equalTo("2013-10-01"));
+                assertThat(resultSet.getFloat(2), equalTo(0.5F));
+                assertThat(resultSet.next(), equalTo(true));
+                assertThat(resultSet.getDate(1).toString(), equalTo("2013-10-02"));
+                assertThat(resultSet.getFloat(2), equalTo(0.0F));
+                assertThat(resultSet.next(), equalTo(true));
+                assertThat(resultSet.getDate(1).toString(), equalTo("2013-10-03"));
+                assertThat(resultSet.getFloat(2), equalTo(0.33F));
+                assertThat(resultSet.next(), equalTo(false));
+            }
+        }
+    }
+}