Add integration test for RecurringTransactionController.getAll()

Also adjust .gitignore to ignore financer.log* because of rotation

.gitignore

@@ -1,2 +1,2 @@
-financer.log
+financer.log*
 .attach*

src/test/java/de/financer/controller/integration/RecurringTransactionService_getAllIntegrationTest.java

@@ -0,0 +1,49 @@
+package de.financer.controller.integration;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import de.financer.FinancerApplication;
+import de.financer.model.RecurringTransaction;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.http.MediaType;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.MvcResult;
+
+import java.util.List;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = FinancerApplication.class)
+@AutoConfigureMockMvc
+@TestPropertySource(
+        locations = "classpath:application-integrationtest.properties")
+public class RecurringTransactionService_getAllIntegrationTest {
+    @Autowired
+    private MockMvc mockMvc;
+
+    @Autowired
+    private ObjectMapper objectMapper;
+
+    @Test
+    public void test_getAll() throws Exception {
+        final MvcResult mvcResult = this.mockMvc
+                .perform(get("/recurringTransactions/getAll").contentType(MediaType.APPLICATION_JSON))
+                .andExpect(status().isOk())
+                .andReturn();
+
+        final List<RecurringTransaction> allRecurringTransactions = this.objectMapper
+                .readValue(mvcResult.getResponse().getContentAsByteArray(), new TypeReference<List<RecurringTransaction>>() {});
+
+        Assert.assertEquals(2, allRecurringTransactions.size());
+    }
+
+}