#1999 - Refactor read-only DataSource initialisation

src/test/java/io/ebeaninternal/server/core/InitDataSourceTest.java

@@ -0,0 +1,69 @@
+package io.ebeaninternal.server.core;
+
+import io.ebean.config.ServerConfig;
+import io.ebean.datasource.DataSourceConfig;
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class InitDataSourceTest {
+
+  @Test
+  public void readOnlyConfig_nullByDefault() {
+    InitDataSource init = new InitDataSource(new ServerConfig());
+    assertNull(init.readOnlyConfig());
+  }
+
+  @Test
+  public void readOnlyConfig_null_whenSetNullExplicitly() {
+    ServerConfig config = new ServerConfig();
+    config.setReadOnlyDataSourceConfig(null);
+
+    InitDataSource init = new InitDataSource(config);
+    assertNull(init.readOnlyConfig());
+  }
+
+  @Test
+  public void readOnlyConfig_null_whenSetNullExplicitly_2() {
+    ServerConfig config = new ServerConfig();
+    DataSourceConfig roConfig = new DataSourceConfig();
+    roConfig.setUrl(null);
+    config.setReadOnlyDataSourceConfig(roConfig);
+
+    InitDataSource init = new InitDataSource(config);
+    assertNull(init.readOnlyConfig());
+  }
+
+  @Test
+  public void readOnlyConfig_when_autoReadOnlyDataSource() {
+    ServerConfig config = new ServerConfig();
+    config.setAutoReadOnlyDataSource(true);
+
+    InitDataSource init = new InitDataSource(config);
+    assertNotNull(init.readOnlyConfig());
+  }
+
+  @Test
+  public void readOnlyConfig_when_urlSet() {
+    ServerConfig config = new ServerConfig();
+    DataSourceConfig dsConfig = new DataSourceConfig();
+    dsConfig.setUrl("foo");
+    config.setReadOnlyDataSourceConfig(dsConfig);
+
+    InitDataSource init = new InitDataSource(config);
+    final DataSourceConfig roConfig = init.readOnlyConfig();
+    assertNotNull(roConfig);
+    assertEquals("foo", roConfig.getUrl());
+  }
+
+  @Test
+  public void readOnlyConfig_when_urlSet_2() {
+    ServerConfig config = new ServerConfig();
+    config.getReadOnlyDataSourceConfig().setUrl("foo");
+
+    InitDataSource init = new InitDataSource(config);
+    final DataSourceConfig roConfig = init.readOnlyConfig();
+    assertNotNull(roConfig);
+    assertEquals("foo", roConfig.getUrl());
+  }
+}