Merge pull request #479 from OpenSRP/tt-09-2020

Add unit tests

android-json-form-wizard/src/test/java/com/vijay/jsonwizard/listeners/ExpansionPanelUndoButtonClickListenerTest.java

@@ -1,10 +1,13 @@
 package com.vijay.jsonwizard.listeners;
 
+import android.app.AlertDialog;
 import android.content.Context;
 import android.view.View;
+import android.widget.LinearLayout;
 
 import com.vijay.jsonwizard.R;
 import com.vijay.jsonwizard.constants.JsonFormConstants;
+import com.vijay.jsonwizard.shadow.ShadowUtils;
 import com.vijay.jsonwizard.utils.FormUtils;
 import com.vijay.jsonwizard.widgets.FactoryTest;
 
@@ -17,45 +20,114 @@
 import org.mockito.ArgumentMatchers;
 import org.mockito.Mockito;
 import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
 import org.robolectric.shadows.ShadowAlertDialog;
 import org.robolectric.util.ReflectionHelpers;
 
 /**
  * Created by Vincent Karuri on 07/09/2020
  */
+
+@Config(shadows = {ShadowUtils.class})
 public class ExpansionPanelUndoButtonClickListenerTest extends FactoryTest {
 
     private ExpansionPanelUndoButtonClickListener expansionPanelUndoButtonClickListener;
+    private JSONObject field;
+    private JSONObject mJsonObject;
+    private JSONObject global;
+
+    private final String KEY_1 = "key1";
+    private final String KEY_2 = "key2";
+    private final String KEY_3 = "key3";
+
+    private final String VALUE_1 = "value1";
+    private final String VALUE_3 = "value3";
 
     @Before
     public void setUp() {
         super.setUp();
-        expansionPanelUndoButtonClickListener = new ExpansionPanelUndoButtonClickListener();
+        bootStrapPanel();
+    }
+
+    @Test
+    public void testOnClickShouldShowExpansionPanel() {
+        callOnClick();
+
+        AlertDialog alertDialog = Mockito.spy(ShadowAlertDialog.getLatestAlertDialog());
+        Assert.assertTrue(alertDialog.isShowing());
     }
 
     @Test
-    public void onClickShouldSetUpExpansionPanel() throws JSONException {
-        final String KEY = "key";
-        final String VALUE = "value";
+    public void testExpansionPanelButtonsShouldPerformCorrectAction() throws JSONException {
+        Assert.assertEquals(VALUE_1, global.get(KEY_1));
+        Assert.assertEquals(VALUE_3, global.get(KEY_3));
+
+        callOnClick();
+        AlertDialog alertDialog = (AlertDialog) Mockito.spy(ShadowAlertDialog.getShownDialogs().get(0));
+        alertDialog.findViewById(R.id.undo_button).performClick();
+
+        Mockito.verify(field).remove(ArgumentMatchers.eq(JsonFormConstants.VALUE));
+        Mockito.verify(field).remove(ArgumentMatchers.eq(JsonFormConstants.REQUIRED_FIELDS));
+        Mockito.verify(jsonFormActivity).setmJSONObject(ArgumentMatchers.eq(mJsonObject));
+
+        Assert.assertEquals("", global.get(KEY_1));
+        Assert.assertEquals(VALUE_3, global.get(KEY_3));
+    }
+
+    private void bootStrapPanel() {
+        try {
+            expansionPanelUndoButtonClickListener = new ExpansionPanelUndoButtonClickListener();
+
+            mJsonObject = new JSONObject();
 
+            global = new JSONObject();
+            global.put(KEY_1, VALUE_1);
+            global.put(KEY_3, VALUE_3);
+            mJsonObject.put(JsonFormConstants.GLOBAL, global);
+
+            Mockito.doReturn(mJsonObject).when(jsonFormActivity).getmJSONObject();
+
+            FormUtils formUtils = Mockito.mock(FormUtils.class);
+            JSONArray fields = new JSONArray();
+            field = Mockito.spy(new JSONObject());
+            field.put(JsonFormConstants.KEY, JsonFormConstants.KEY);
+            field.put(JsonFormConstants.VALUE, JsonFormConstants.VALUE);
+            field.put(JsonFormConstants.TEXT, "header");
+
+            JSONArray valueItemJSONArray = new JSONArray();
+            valueItemJSONArray.put(new JSONObject());
+
+            JSONArray selectedValues = new JSONArray();
+            JSONObject selectedValue = new JSONObject();
+            selectedValue.put(JsonFormConstants.KEY, KEY_1);
+            selectedValue.put(JsonFormConstants.VALUES, valueItemJSONArray);
+            selectedValue.put(JsonFormConstants.TYPE, "");
+            selectedValues.put(selectedValue);
+
+            selectedValue = new JSONObject();
+            selectedValue.put(JsonFormConstants.KEY, KEY_2);
+            selectedValue.put(JsonFormConstants.VALUES, valueItemJSONArray);
+            selectedValue.put(JsonFormConstants.TYPE, "");
+            selectedValues.put(selectedValue);
+
+            field.put(JsonFormConstants.VALUE, selectedValues);
+
+            fields.put(field);
+            Mockito.doReturn(fields).when(formUtils).getFormFields(ArgumentMatchers.anyString(),
+                    ArgumentMatchers.any(Context.class));
+
+            ReflectionHelpers.setField(expansionPanelUndoButtonClickListener, "formUtils", formUtils);
+        } catch (Exception e) {
+            // do nothing
+        }
+    }
+
+    private void callOnClick() {
         View view = new View(RuntimeEnvironment.application);
-        view.setTag(R.id.key, KEY);
+        view.setTag(R.id.key, JsonFormConstants.KEY);
         view.setTag(R.id.specify_context, jsonFormActivity);
         view.setTag(R.id.specify_step_name, "step1");
-
-        FormUtils formUtils = Mockito.mock(FormUtils.class);
-        JSONArray fields = new JSONArray();
-        JSONObject field = new JSONObject();
-        field.put(JsonFormConstants.KEY, KEY);
-        field.put(JsonFormConstants.VALUE, VALUE);
-        field.put(JsonFormConstants.TEXT, "header");
-        fields.put(field);
-        Mockito.doReturn(fields).when(formUtils).getFormFields(ArgumentMatchers.anyString(),
-                ArgumentMatchers.any(Context.class));
-
-        ReflectionHelpers.setField(expansionPanelUndoButtonClickListener, "formUtils", formUtils);
+        view.setTag(R.id.linearLayout, new LinearLayout(RuntimeEnvironment.application));
         expansionPanelUndoButtonClickListener.onClick(view);
-
-        Assert.assertNotNull(ShadowAlertDialog.getLatestAlertDialog());
     }
 }

android-json-form-wizard/src/test/java/com/vijay/jsonwizard/shadow/ShadowUtils.java

@@ -0,0 +1,21 @@
+package com.vijay.jsonwizard.shadow;
+
+import com.vijay.jsonwizard.event.BaseEvent;
+import com.vijay.jsonwizard.utils.Utils;
+
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+import org.robolectric.shadow.api.Shadow;
+
+/**
+ * Created by Vincent Karuri on 08/09/2020
+ */
+
+@Implements(Utils.class)
+public class ShadowUtils extends Shadow {
+
+    @Implementation
+    public static void postEvent(BaseEvent event) {
+        // do nothing
+    }
+}