#BAEL-693 tests and code examples. (#5091)
This commit is contained in:
Alessio Stalla
maibin
parent
8ac53f70c4
commit
64ba651582
@ -1,85 +1,105 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>core-kotlin</artifactId>
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<artifactId>core-kotlin</artifactId>
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<packaging>jar</packaging>
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<packaging>jar</packaging>
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<parent>
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<parent>
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<groupId>com.baeldung</groupId>
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<groupId>com.baeldung</groupId>
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<artifactId>parent-kotlin</artifactId>
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<artifactId>parent-kotlin</artifactId>
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<version>1.0.0-SNAPSHOT</version>
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<version>1.0.0-SNAPSHOT</version>
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<relativePath>../parent-kotlin</relativePath>
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<relativePath>../parent-kotlin</relativePath>
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</parent>
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</parent>
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<dependencies>
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<repositories>
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<dependency>
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<repository>
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<groupId>org.jetbrains.spek</groupId>
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<id>exposed</id>
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<artifactId>spek-api</artifactId>
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<name>exposed</name>
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<version>1.1.5</version>
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<url>https://dl.bintray.com/kotlin/exposed</url>
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<scope>test</scope>
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</repository>
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</dependency>
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</repositories>
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<dependency>
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<groupId>org.jetbrains.spek</groupId>
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<artifactId>spek-subject-extension</artifactId>
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<version>1.1.5</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.jetbrains.spek</groupId>
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<artifactId>spek-junit-platform-engine</artifactId>
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<version>1.1.5</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-math3</artifactId>
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<version>${commons-math3.version}</version>
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</dependency>
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<dependency>
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<groupId>org.junit.platform</groupId>
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<artifactId>junit-platform-runner</artifactId>
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<version>${junit.platform.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>khttp</groupId>
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<artifactId>khttp</artifactId>
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<version>${khttp.version}</version>
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</dependency>
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<dependency>
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<groupId>com.nhaarman</groupId>
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<artifactId>mockito-kotlin</artifactId>
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<version>${mockito-kotlin.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.github.salomonbrys.kodein</groupId>
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<artifactId>kodein</artifactId>
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<version>${kodein.version}</version>
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</dependency>
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<dependency>
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<groupId>org.assertj</groupId>
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<artifactId>assertj-core</artifactId>
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<version>${assertj.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.beust</groupId>
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<artifactId>klaxon</artifactId>
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<version>${klaxon.version}</version>
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</dependency>
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</dependencies>
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<properties>
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<dependencies>
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<mockito-kotlin.version>1.5.0</mockito-kotlin.version>
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<dependency>
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<kodein.version>4.1.0</kodein.version>
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<groupId>org.jetbrains.spek</groupId>
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<klaxon.version>3.0.4</klaxon.version>
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<artifactId>spek-api</artifactId>
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<khttp.version>0.1.0</khttp.version>
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<version>1.1.5</version>
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<commons-math3.version>3.6.1</commons-math3.version>
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<scope>test</scope>
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<junit.platform.version>1.1.1</junit.platform.version>
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</dependency>
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<junit.vintage.version>5.2.0</junit.vintage.version>
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<dependency>
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<assertj.version>3.10.0</assertj.version>
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<groupId>org.jetbrains.spek</groupId>
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</properties>
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<artifactId>spek-subject-extension</artifactId>
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<version>1.1.5</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.jetbrains.spek</groupId>
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<artifactId>spek-junit-platform-engine</artifactId>
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<version>1.1.5</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-math3</artifactId>
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<version>${commons-math3.version}</version>
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</dependency>
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<dependency>
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<groupId>org.junit.platform</groupId>
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<artifactId>junit-platform-runner</artifactId>
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<version>${junit.platform.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>khttp</groupId>
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<artifactId>khttp</artifactId>
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<version>${khttp.version}</version>
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</dependency>
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<dependency>
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<groupId>com.nhaarman</groupId>
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<artifactId>mockito-kotlin</artifactId>
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<version>${mockito-kotlin.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.github.salomonbrys.kodein</groupId>
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<artifactId>kodein</artifactId>
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<version>${kodein.version}</version>
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</dependency>
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<dependency>
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<groupId>org.assertj</groupId>
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<artifactId>assertj-core</artifactId>
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<version>${assertj.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.beust</groupId>
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<artifactId>klaxon</artifactId>
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<version>${klaxon.version}</version>
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</dependency>
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<dependency>
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<groupId>org.jetbrains.exposed</groupId>
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<artifactId>exposed</artifactId>
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<version>${exposed.version}</version>
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</dependency>
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<dependency>
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<groupId>com.h2database</groupId>
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<artifactId>h2</artifactId>
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<version>${h2database.version}</version>
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</dependency>
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</dependencies>
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<properties>
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<mockito-kotlin.version>1.5.0</mockito-kotlin.version>
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<kodein.version>4.1.0</kodein.version>
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<klaxon.version>3.0.4</klaxon.version>
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<khttp.version>0.1.0</khttp.version>
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<commons-math3.version>3.6.1</commons-math3.version>
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<junit.platform.version>1.1.1</junit.platform.version>
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<junit.vintage.version>5.2.0</junit.vintage.version>
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<assertj.version>3.10.0</assertj.version>
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<h2database.version>1.4.197</h2database.version>
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<exposed.version>0.10.4</exposed.version>
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</properties>
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</project>
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</project>
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@ -0,0 +1,333 @@
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package com.baeldung.kotlin.exposed
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import org.jetbrains.exposed.dao.*
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import org.jetbrains.exposed.sql.*
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import org.jetbrains.exposed.sql.transactions.TransactionManager
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import org.jetbrains.exposed.sql.transactions.transaction
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import org.junit.Test
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import java.sql.DriverManager
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import kotlin.test.*
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class ExposedTest {
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@Test
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fun whenH2Database_thenConnectionSuccessful() {
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val database = Database.connect("jdbc:h2:mem:test", driver = "org.h2.Driver")
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transaction {
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assertEquals(1.4.toBigDecimal(), database.version)
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assertEquals("h2", database.vendor)
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}
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}
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@Test
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fun whenH2DatabaseWithCredentials_thenConnectionSuccessful() {
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Database.connect("jdbc:h2:mem:test", driver = "org.h2.Driver", user = "myself", password = "secret")
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}
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@Test
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fun whenH2DatabaseWithManualConnection_thenConnectionSuccessful() {
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var connected = false
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Database.connect({ connected = true; DriverManager.getConnection("jdbc:h2:mem:test;MODE=MySQL") })
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assertEquals(false, connected)
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transaction {
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addLogger(StdOutSqlLogger)
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assertEquals(false, connected)
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SchemaUtils.create(Cities)
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assertEquals(true, connected)
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}
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}
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@Test
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fun whenManualCommit_thenOk() {
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Database.connect("jdbc:h2:mem:test", driver = "org.h2.Driver")
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transaction {
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assertTrue(this is Transaction)
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commit()
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commit()
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commit()
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}
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}
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@Test
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fun whenInsert_thenGeneratedKeys() {
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Database.connect("jdbc:h2:mem:test", driver = "org.h2.Driver")
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transaction {
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SchemaUtils.create(StarWarsFilms)
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val id = StarWarsFilms.insertAndGetId {
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it[name] = "The Last Jedi"
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it[sequelId] = 8
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it[director] = "Rian Johnson"
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}
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assertEquals(1, id.value)
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val insert = StarWarsFilms.insert {
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it[name] = "The Force Awakens"
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it[sequelId] = 7
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it[director] = "J.J. Abrams"
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}
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assertEquals(2, insert[StarWarsFilms.id]?.value)
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val selectAll = StarWarsFilms.selectAll()
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selectAll.forEach {
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assertTrue { it[StarWarsFilms.sequelId] >= 7 }
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}
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StarWarsFilms.slice(StarWarsFilms.name, StarWarsFilms.director).selectAll()
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.forEach {
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assertTrue { it[StarWarsFilms.name].startsWith("The") }
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}
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val select = StarWarsFilms.select { (StarWarsFilms.director like "J.J.%") and (StarWarsFilms.sequelId eq 7) }
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assertEquals(1, select.count())
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StarWarsFilms.update ({ StarWarsFilms.sequelId eq 8 }) {
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it[name] = "Episode VIII – The Last Jedi"
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with(SqlExpressionBuilder) {
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it.update(StarWarsFilms.sequelId, StarWarsFilms.sequelId + 1)
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}
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}
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}
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}
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@Test
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fun whenForeignKey_thenAutoJoin() {
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Database.connect("jdbc:h2:mem:test", driver = "org.h2.Driver")
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transaction {
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addLogger(StdOutSqlLogger)
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SchemaUtils.create(StarWarsFilms, Players)
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StarWarsFilms.insert {
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it[name] = "The Last Jedi"
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it[sequelId] = 8
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it[director] = "Rian Johnson"
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}
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StarWarsFilms.insert {
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it[name] = "The Force Awakens"
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it[sequelId] = 7
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it[director] = "J.J. Abrams"
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}
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Players.insert {
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it[name] = "Mark Hamill"
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it[sequelId] = 7
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}
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Players.insert {
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it[name] = "Mark Hamill"
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it[sequelId] = 8
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}
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val simpleInnerJoin = (StarWarsFilms innerJoin Players).selectAll()
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assertEquals(2, simpleInnerJoin.count())
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simpleInnerJoin.forEach {
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assertNotNull(it[StarWarsFilms.name])
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assertEquals(it[StarWarsFilms.sequelId], it[Players.sequelId])
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assertEquals("Mark Hamill", it[Players.name])
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}
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val innerJoinWithCondition = (StarWarsFilms innerJoin Players)
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.select { StarWarsFilms.sequelId eq Players.sequelId }
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assertEquals(2, innerJoinWithCondition.count())
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innerJoinWithCondition.forEach {
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assertNotNull(it[StarWarsFilms.name])
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assertEquals(it[StarWarsFilms.sequelId], it[Players.sequelId])
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assertEquals("Mark Hamill", it[Players.name])
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}
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val complexInnerJoin = Join(StarWarsFilms, Players, joinType = JoinType.INNER, onColumn = StarWarsFilms.sequelId, otherColumn = Players.sequelId, additionalConstraint = {
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StarWarsFilms.sequelId eq 8
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}).selectAll()
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assertEquals(1, complexInnerJoin.count())
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complexInnerJoin.forEach {
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assertNotNull(it[StarWarsFilms.name])
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assertEquals(it[StarWarsFilms.sequelId], it[Players.sequelId])
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assertEquals("Mark Hamill", it[Players.name])
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}
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}
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}
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@Test
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fun whenJoinWithAlias_thenFun() {
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Database.connect("jdbc:h2:mem:test", driver = "org.h2.Driver")
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transaction {
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addLogger(StdOutSqlLogger)
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SchemaUtils.create(StarWarsFilms, Players)
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StarWarsFilms.insert {
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it[name] = "The Last Jedi"
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it[sequelId] = 8
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it[director] = "Rian Johnson"
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}
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StarWarsFilms.insert {
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it[name] = "The Force Awakens"
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it[sequelId] = 7
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it[director] = "J.J. Abrams"
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}
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val sequel = StarWarsFilms.alias("sequel")
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Join(StarWarsFilms, sequel,
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additionalConstraint = { sequel[StarWarsFilms.sequelId] eq StarWarsFilms.sequelId + 1 })
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.selectAll().forEach {
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assertEquals(it[sequel[StarWarsFilms.sequelId]], it[StarWarsFilms.sequelId] + 1)
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}
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}
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}
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@Test
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fun whenEntity_thenDAO() {
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val database = Database.connect("jdbc:h2:mem:test", driver = "org.h2.Driver")
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val connection = database.connector.invoke() //Keep a connection open so the DB is not destroyed after the first transaction
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val inserted = transaction {
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addLogger(StdOutSqlLogger)
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SchemaUtils.create(StarWarsFilms, Players)
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val theLastJedi = StarWarsFilm.new {
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name = "The Last Jedi"
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sequelId = 8
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director = "Rian Johnson"
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}
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assertFalse(TransactionManager.current().entityCache.inserts.isEmpty())
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assertEquals(1, theLastJedi.id.value) //Reading this causes a flush
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assertTrue(TransactionManager.current().entityCache.inserts.isEmpty())
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theLastJedi
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}
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transaction {
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val theLastJedi = StarWarsFilm.findById(1)
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assertNotNull(theLastJedi)
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assertEquals(inserted.id, theLastJedi?.id)
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}
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connection.close()
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}
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@Test
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fun whenManyToOne_thenNavigation() {
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val database = Database.connect("jdbc:h2:mem:test", driver = "org.h2.Driver")
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val connection = database.connector.invoke()
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transaction {
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addLogger(StdOutSqlLogger)
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SchemaUtils.create(StarWarsFilms, Players, Users, UserRatings)
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val theLastJedi = StarWarsFilm.new {
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name = "The Last Jedi"
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|
sequelId = 8
|
||||||
|
director = "Rian Johnson"
|
||||||
|
}
|
||||||
|
val someUser = User.new {
|
||||||
|
name = "Some User"
|
||||||
|
}
|
||||||
|
val rating = UserRating.new {
|
||||||
|
value = 9
|
||||||
|
user = someUser
|
||||||
|
film = theLastJedi
|
||||||
|
}
|
||||||
|
assertEquals(theLastJedi, rating.film)
|
||||||
|
assertEquals(someUser, rating.user)
|
||||||
|
assertEquals(rating, theLastJedi.ratings.first())
|
||||||
|
}
|
||||||
|
transaction {
|
||||||
|
val theLastJedi = StarWarsFilm.find { StarWarsFilms.sequelId eq 8 }.first()
|
||||||
|
val ratings = UserRating.find { UserRatings.film eq theLastJedi.id }
|
||||||
|
assertEquals(1, ratings.count())
|
||||||
|
val rating = ratings.first()
|
||||||
|
assertEquals("Some User", rating.user.name)
|
||||||
|
assertEquals(rating, theLastJedi.ratings.first())
|
||||||
|
UserRating.new {
|
||||||
|
value = 8
|
||||||
|
user = rating.user
|
||||||
|
film = theLastJedi
|
||||||
|
}
|
||||||
|
assertEquals(2, theLastJedi.ratings.count())
|
||||||
|
}
|
||||||
|
connection.close()
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
fun whenManyToMany_thenAssociation() {
|
||||||
|
val database = Database.connect("jdbc:h2:mem:test", driver = "org.h2.Driver")
|
||||||
|
val connection = database.connector.invoke()
|
||||||
|
val film = transaction {
|
||||||
|
SchemaUtils.create(StarWarsFilms)
|
||||||
|
StarWarsFilm.new {
|
||||||
|
name = "The Last Jedi"
|
||||||
|
sequelId = 8
|
||||||
|
director = "Rian Johnson"
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
val actor = transaction {
|
||||||
|
SchemaUtils.create(Actors)
|
||||||
|
Actor.new {
|
||||||
|
firstname = "Daisy"
|
||||||
|
lastname = "Ridley"
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
transaction {
|
||||||
|
SchemaUtils.create(StarWarsFilmActors)
|
||||||
|
film.actors = SizedCollection(listOf(actor))
|
||||||
|
}
|
||||||
|
connection.close()
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
object Cities: IntIdTable() {
|
||||||
|
val name = varchar("name", 50)
|
||||||
|
}
|
||||||
|
|
||||||
|
object StarWarsFilms_Simple : Table() {
|
||||||
|
val id = integer("id").autoIncrement().primaryKey()
|
||||||
|
val sequelId = integer("sequel_id").uniqueIndex()
|
||||||
|
val name = varchar("name", 50)
|
||||||
|
val director = varchar("director", 50)
|
||||||
|
}
|
||||||
|
|
||||||
|
object StarWarsFilms : IntIdTable() {
|
||||||
|
val sequelId = integer("sequel_id").uniqueIndex()
|
||||||
|
val name = varchar("name", 50)
|
||||||
|
val director = varchar("director", 50)
|
||||||
|
}
|
||||||
|
|
||||||
|
object Players : Table() {
|
||||||
|
//val sequelId = integer("sequel_id").uniqueIndex().references(StarWarsFilms.sequelId)
|
||||||
|
val sequelId = reference("sequel_id", StarWarsFilms.sequelId).uniqueIndex()
|
||||||
|
//val filmId = reference("film_id", StarWarsFilms).nullable()
|
||||||
|
val name = varchar("name", 50)
|
||||||
|
}
|
||||||
|
|
||||||
|
class StarWarsFilm(id: EntityID<Int>) : Entity<Int>(id) {
|
||||||
|
companion object : EntityClass<Int, StarWarsFilm>(StarWarsFilms)
|
||||||
|
|
||||||
|
var sequelId by StarWarsFilms.sequelId
|
||||||
|
var name by StarWarsFilms.name
|
||||||
|
var director by StarWarsFilms.director
|
||||||
|
var actors by Actor via StarWarsFilmActors
|
||||||
|
val ratings by UserRating referrersOn UserRatings.film
|
||||||
|
}
|
||||||
|
|
||||||
|
object Users: IntIdTable() {
|
||||||
|
val name = varchar("name", 50)
|
||||||
|
}
|
||||||
|
|
||||||
|
object UserRatings: IntIdTable() {
|
||||||
|
val value = long("value")
|
||||||
|
val film = reference("film", StarWarsFilms)
|
||||||
|
val user = reference("user", Users)
|
||||||
|
}
|
||||||
|
|
||||||
|
class User(id: EntityID<Int>): IntEntity(id) {
|
||||||
|
companion object : IntEntityClass<User>(Users)
|
||||||
|
|
||||||
|
var name by Users.name
|
||||||
|
}
|
||||||
|
|
||||||
|
class UserRating(id: EntityID<Int>): IntEntity(id) {
|
||||||
|
companion object : IntEntityClass<UserRating>(UserRatings)
|
||||||
|
|
||||||
|
var value by UserRatings.value
|
||||||
|
var film by StarWarsFilm referencedOn UserRatings.film
|
||||||
|
var user by User referencedOn UserRatings.user
|
||||||
|
}
|
||||||
|
|
||||||
|
object Actors: IntIdTable() {
|
||||||
|
val firstname = varchar("firstname", 50)
|
||||||
|
val lastname = varchar("lastname", 50)
|
||||||
|
}
|
||||||
|
|
||||||
|
class Actor(id: EntityID<Int>): IntEntity(id) {
|
||||||
|
companion object : IntEntityClass<Actor>(Actors)
|
||||||
|
|
||||||
|
var firstname by Actors.firstname
|
||||||
|
var lastname by Actors.lastname
|
||||||
|
}
|
||||||
|
|
||||||
|
object StarWarsFilmActors : Table() {
|
||||||
|
val starWarsFilm = reference("starWarsFilm", StarWarsFilms).primaryKey(0)
|
||||||
|
val actor = reference("actor", Actors).primaryKey(1)
|
||||||
|
}
|
||||||
Loading…
x
Reference in New Issue
Block a user