Add new ImageTest (FINERACT-1218)
diff --git a/fineract-client/src/main/java/org/apache/fineract/client/services/ImagesApi.java b/fineract-client/src/main/java/org/apache/fineract/client/services/ImagesApi.java
new file mode 100644
index 0000000..015c892
--- /dev/null
+++ b/fineract-client/src/main/java/org/apache/fineract/client/services/ImagesApi.java
@@ -0,0 +1,56 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.fineract.client.services;
+
+import okhttp3.ResponseBody;
+import retrofit2.Call;
+import retrofit2.http.DELETE;
+import retrofit2.http.GET;
+import retrofit2.http.POST;
+import retrofit2.http.PUT;
+
+/**
+ * Client API (Retrofit) for /images.
+ *
+ * This class entirely hand-written, inspired by DocumentsApiFixed, and from /images methods which currently end up in
+ * DefaultApi (see <a href="https://issues.apache.org/jira/browse/FINERACT-1222">FINERACT-1222</a>), but fixed for bugs
+ * in the code generation (see <a href="https://issues.apache.org/jira/browse/FINERACT-1227">FINERACT-1227</a>).
+ *
+ * @author Michael Vorburger.ch
+ */
+public interface ImagesApi {
+
+    @POST("{entityType}/{entityId}/images")
+    @retrofit2.http.Multipart
+    Call<Void> create(@retrofit2.http.Path("entityType") String entityType, @retrofit2.http.Path("entityId") Long entityId,
+            @retrofit2.http.Part okhttp3.MultipartBody.Part file);
+
+    @GET("{entityType}/{entityId}/images")
+    Call<ResponseBody> get(@retrofit2.http.Path("entityType") String entityType, @retrofit2.http.Path("entityId") Long entityId,
+            @retrofit2.http.Query("maxWidth") Integer maxWidth, @retrofit2.http.Query("maxHeight") Integer maxHeight,
+            @retrofit2.http.Query("output") String output);
+
+    @PUT("{entityType}/{entityId}/images")
+    @retrofit2.http.Multipart
+    Call<Void> update(@retrofit2.http.Path("entityType") String entityType, @retrofit2.http.Path("entityId") Long entityId,
+            @retrofit2.http.Part okhttp3.MultipartBody.Part file);
+
+    @DELETE("{entityType}/{entityId}/images")
+    Call<Void> delete(@retrofit2.http.Path("entityType") String entityType, @retrofit2.http.Path("entityId") Long entityId);
+}
diff --git a/fineract-client/src/main/java/org/apache/fineract/client/util/FineractClient.java b/fineract-client/src/main/java/org/apache/fineract/client/util/FineractClient.java
index f81198b..5d18a54 100644
--- a/fineract-client/src/main/java/org/apache/fineract/client/util/FineractClient.java
+++ b/fineract-client/src/main/java/org/apache/fineract/client/util/FineractClient.java
@@ -69,6 +69,7 @@
 import org.apache.fineract.client.services.GroupsApi;
 import org.apache.fineract.client.services.HolidaysApi;
 import org.apache.fineract.client.services.HooksApi;
+import org.apache.fineract.client.services.ImagesApi;
 import org.apache.fineract.client.services.InterestRateChartApi;
 import org.apache.fineract.client.services.InterestRateSlabAKAInterestBandsApi;
 import org.apache.fineract.client.services.JournalEntriesApi;
@@ -194,6 +195,7 @@
     public final GroupsApi groups;
     public final HolidaysApi holidays;
     public final HooksApi hooks;
+    public final ImagesApi images;
     public final InterestRateChartApi interestRateCharts;
     public final InterestRateSlabAKAInterestBandsApi interestRateChartLabs;
     public final JournalEntriesApi journalEntries;
@@ -301,6 +303,7 @@
         groups = retrofit.create(GroupsApi.class);
         holidays = retrofit.create(HolidaysApi.class);
         hooks = retrofit.create(HooksApi.class);
+        images = retrofit.create(ImagesApi.class);
         interestRateCharts = retrofit.create(InterestRateChartApi.class);
         interestRateChartLabs = retrofit.create(InterestRateSlabAKAInterestBandsApi.class);
         journalEntries = retrofit.create(JournalEntriesApi.class);
diff --git a/fineract-client/src/test/java/org/apache/fineract/integrationtests/newstyle/DocumentTest.java b/fineract-client/src/test/java/org/apache/fineract/integrationtests/newstyle/DocumentTest.java
index aa690ea..8ce7bf3 100644
--- a/fineract-client/src/test/java/org/apache/fineract/integrationtests/newstyle/DocumentTest.java
+++ b/fineract-client/src/test/java/org/apache/fineract/integrationtests/newstyle/DocumentTest.java
@@ -43,7 +43,7 @@
 
     @Test
     @Order(1)
-	void retrieveAllDocuments() {
+    void retrieveAllDocuments() {
         assertThat(ok(fineract().documents.retrieveAllDocuments("clients", clientId))).isNotNull();
     }
 
@@ -83,7 +83,7 @@
         ResponseBody r = ok(fineract().documents.downloadFile("clients", clientId, documentId));
         assertThat(r.contentType()).isEqualTo(MediaType.get("image/jpeg"));
         assertThat(r.bytes().length).isEqualTo(testFile.length());
-        // NOK: assertThat(r.contentLength()).isEqualTo(testFile.length());
+        assertThat(r.contentLength()).isEqualTo(-1); // TODO testFile.length()
     }
 
     @Test
diff --git a/fineract-client/src/test/java/org/apache/fineract/integrationtests/newstyle/ImageTest.java b/fineract-client/src/test/java/org/apache/fineract/integrationtests/newstyle/ImageTest.java
new file mode 100644
index 0000000..d2ea38d
--- /dev/null
+++ b/fineract-client/src/test/java/org/apache/fineract/integrationtests/newstyle/ImageTest.java
@@ -0,0 +1,150 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.fineract.integrationtests.newstyle;
+
+import java.io.File;
+import java.io.IOException;
+import okhttp3.MediaType;
+import okhttp3.ResponseBody;
+import org.apache.fineract.client.services.ImagesApi;
+import org.apache.fineract.client.util.Parts;
+import org.junit.jupiter.api.Order;
+import org.junit.jupiter.api.Test;
+import retrofit2.Call;
+import retrofit2.http.GET;
+import retrofit2.http.Headers;
+
+/**
+ * Integration Test for /images API.
+ *
+ * @author Michael Vorburger.ch
+ */
+public class ImageTest extends IntegrationTest {
+
+    // TODO This "new style" test is equivalent to the old StaffImageApiTest, so we could delete that (after
+    // FINERACT-1209)
+
+    final File testImage = new File(getClass().getResource("/michael.vorburger-crepes.jpg").getFile());
+
+    Long clientId = new ClientTest().getClientId();
+    // staffId is hard-coded to 1L below, because that always exists
+
+    @Test
+    @Order(1)
+    void create() {
+        ok(fineract().images.create("staff", 1L, Parts.fromFile(testImage)));
+        ok(fineract().images.create("clients", clientId, Parts.fromFile(testImage)));
+    }
+
+    @Test
+    @Order(2)
+    void getOriginalSize() throws IOException {
+        ResponseBody r = ok(fineract().images.get("staff", 1L, 3505, 1972, null));
+        assertThat(r.contentType()).isEqualTo(MediaType.get("text/plain"));
+        String encodedImage = r.string();
+        assertThat(encodedImage).startsWith("data:image/jpeg;base64,");
+        assertThat(encodedImage).hasLength(2846549);
+        assertThat(r.contentLength()).isEqualTo(-1);
+    }
+
+    @Test
+    @Order(3)
+    void getSmallerSize() throws IOException {
+        ResponseBody r = ok(fineract().images.get("staff", 1L, 128, 128, null));
+        assertThat(r.string()).hasLength(6591);
+    }
+
+    @Test
+    @Order(4)
+    void getBiggerSize() throws IOException {
+        ResponseBody r = ok(fineract().images.get("staff", 1L, 9000, 6000, null));
+        assertThat(r.string()).hasLength(2846549);
+    }
+
+    @Test
+    @Order(5)
+    void getInlineOctetOutput() throws IOException {
+        // 3505x1972 is the exact original size of testFile
+        ResponseBody r = ok(fineract().images.get("staff", 1L, 3505, 1972, "inline_octet"));
+        assertThat(r.contentType()).isEqualTo(MediaType.get("image/jpeg"));
+        assertThat(r.bytes().length).isEqualTo(testImage.length());
+        assertThat(r.contentLength()).isEqualTo(testImage.length());
+    }
+
+    @Test
+    @Order(6)
+    void getOctetOutput() throws IOException {
+        ResponseBody r = ok(fineract().images.get("staff", 1L, 3505, 1972, "octet"));
+        assertThat(r.contentType()).isEqualTo(MediaType.get("image/jpeg"));
+        assertThat(r.bytes().length).isEqualTo(testImage.length());
+        assertThat(r.contentLength()).isEqualTo(testImage.length());
+    }
+
+    @Test
+    @Order(7)
+    void getAnotherOutput() throws IOException {
+        ResponseBody r = ok(fineract().images.get("staff", 1L, 3505, 1972, "abcd"));
+        assertThat(r.contentType()).isEqualTo(MediaType.get("text/plain"));
+        assertThat(r.string()).startsWith("data:image/jpeg;base64,");
+    }
+
+    @Test
+    @Order(8)
+    void getText() throws IOException {
+        ResponseBody r = ok(fineract().createService(ImagesApiWithHeadersForTest.class).getText("staff", 1L, 3505, 1972, null));
+        assertThat(r.contentType()).isEqualTo(MediaType.get("text/plain"));
+        assertThat(r.string()).startsWith("data:image/jpeg;base64,");
+    }
+
+    @Test
+    @Order(9)
+    void getBytes() throws IOException {
+        ResponseBody r = ok(fineract().createService(ImagesApiWithHeadersForTest.class).getBytes("staff", 1L, 3505, 1972, null));
+        assertThat(r.contentType()).isEqualTo(MediaType.get("image/jpeg"));
+        assertThat(r.bytes().length).isEqualTo(testImage.length());
+    }
+
+    @Test
+    @Order(50)
+    void update() {
+        ok(fineract().images.update("staff", 1L, Parts.fromFile(testImage)));
+    }
+
+    @Test
+    @Order(99)
+    void delete() {
+        ok(fineract().images.delete("staff", 1L));
+        ok(fineract().images.delete("clients", clientId));
+    }
+
+    interface ImagesApiWithHeadersForTest extends ImagesApi {
+
+        @Headers("Accept: text/plain")
+        @GET("{entityType}/{entityId}/images")
+        Call<ResponseBody> getText(@retrofit2.http.Path("entityType") String entityType, @retrofit2.http.Path("entityId") Long entityId,
+                @retrofit2.http.Query("maxWidth") Integer maxWidth, @retrofit2.http.Query("maxHeight") Integer maxHeight,
+                @retrofit2.http.Query("output") String output);
+
+        @Headers("Accept: application/octet-stream")
+        @GET("{entityType}/{entityId}/images")
+        Call<ResponseBody> getBytes(@retrofit2.http.Path("entityType") String entityType, @retrofit2.http.Path("entityId") Long entityId,
+                @retrofit2.http.Query("maxWidth") Integer maxWidth, @retrofit2.http.Query("maxHeight") Integer maxHeight,
+                @retrofit2.http.Query("output") String output);
+    }
+}
diff --git a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/StaffImageApiTest.java b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/StaffImageApiTest.java
index 9e1bd0e..54f7d59 100644
--- a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/StaffImageApiTest.java
+++ b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/StaffImageApiTest.java
@@ -32,6 +32,7 @@
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
+@Deprecated // replaced by new ImageTest, can be deleted as FINERACT-1209 is fully implemented
 public class StaffImageApiTest {
 
     private RequestSpecification requestSpec;
diff --git a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/ImageHelper.java b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/ImageHelper.java
index ccf26bb..4a2f0b9 100644
--- a/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/ImageHelper.java
+++ b/fineract-provider/src/integrationTest/java/org/apache/fineract/integrationtests/common/ImageHelper.java
@@ -24,6 +24,7 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+@Deprecated // replaced by new ImageTest, can be deleted as FINERACT-1209 is fully implemented
 public final class ImageHelper {
 
     private ImageHelper() {