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Custom ViewAssertions for the espresso tests
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‎app/src/androidTest/java/com/zulip/android/helper/ViewAssertions.java

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package com.zulip.android.helper;
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import android.support.test.espresso.NoMatchingViewException;
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import android.support.test.espresso.ViewAssertion;
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import android.support.v7.widget.RecyclerView;
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import android.text.format.DateUtils;
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import android.util.Log;
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import android.view.View;
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import com.zulip.android.ZulipApp;
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import com.zulip.android.activities.RecyclerMessageAdapter;
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import com.zulip.android.activities.ZulipActivity;
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import com.zulip.android.models.Message;
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import com.zulip.android.models.MessageType;
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import com.zulip.android.util.ZLog;
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import com.zulip.android.viewholders.MessageHeaderParent;
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import org.json.JSONException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.Locale;
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import static android.support.test.espresso.matcher.ViewMatchers.assertThat;
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import static com.zulip.android.activities.ChatBoxTest.LOG_TAG;
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import static junit.framework.Assert.assertTrue;
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public class ViewAssertions {
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public static ViewAssertion checkMessagesOnlyFromToday() {
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return new ViewAssertion() {
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@Override
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public void check(View view, NoMatchingViewException e) {
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if (!(view instanceof RecyclerView)) {
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throw e;
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}
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RecyclerView rv = (RecyclerView) view;
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RecyclerMessageAdapter recyclerMessageAdapter = (RecyclerMessageAdapter) rv.getAdapter();
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StringBuilder stringBuilder = new StringBuilder();
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stringBuilder.append("OfDate-" + (new Date()).toString() + " { ");
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for (int index = 0; index < recyclerMessageAdapter.getItemCount(); index++) {
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if (recyclerMessageAdapter.getItem(index) instanceof Message) {
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Message message = (Message) recyclerMessageAdapter.getItem(index);
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SimpleDateFormat sdf = new SimpleDateFormat("HH:mm", Locale.US);
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stringBuilder.append(message.getID() + "-" + sdf.format(message.getTimestamp()) + " , ");
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assertTrue("This message is not of today ID=" + message.getID() + ":" + message.getIdForHolder() + "\ncontent=" + message.getContent(), DateUtils.isToday(message.getTimestamp().getTime()));
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}
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}
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stringBuilder.append(" }");
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printLogInPartsIfExceeded(stringBuilder, "checkMessagesOnlyFromToday");
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}
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};
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}
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public static ViewAssertion checkOrderOfMessages(final ZulipActivity zulipActivity) {
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//ZulipActivity is needed for generating detailed info about position if doesn't matches
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return new ViewAssertion() {
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@Override
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public void check(View view, NoMatchingViewException noMatchingViewException) {
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if (!(view instanceof RecyclerView)) {
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throw noMatchingViewException;
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}
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StringBuilder stringBuilder = new StringBuilder();
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stringBuilder.append('{');
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RecyclerMessageAdapter recyclerMessageAdapter = (RecyclerMessageAdapter) ((RecyclerView) view).getAdapter();
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for (int i = 0; i < recyclerMessageAdapter.getItemCount() - 1; i++) {
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Object object = recyclerMessageAdapter.getItem(i);
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if (object instanceof Message) {
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if (recyclerMessageAdapter.getItem(i + 1) instanceof Message) {
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boolean checkOrder = (((Message) object).getID() < ((Message) recyclerMessageAdapter.getItem(i + 1)).getID());
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assertTrue(generateDetailedInfoForOrder(((Message) object), ((Message) recyclerMessageAdapter.getItem(i + 1)), zulipActivity, i), checkOrder);
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}
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stringBuilder.append(((Message) object).getID() + ",");
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} else if (object instanceof MessageHeaderParent) {
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stringBuilder.append("} | { ");
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}
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}
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stringBuilder.append('}');
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printLogInPartsIfExceeded(stringBuilder, "checkOrderOfMessages");
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}
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};
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}
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private static String generateDetailedInfoForOrder(Message msg1, Message msg2, ZulipActivity zulipActivity, int index) {
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StringBuilder stringBuilder = new StringBuilder();
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stringBuilder.append("atIndex: " + index);
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stringBuilder.append("Info for Message 1");
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stringBuilder.append("Message ID:" + msg1.getID() + "\n");
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stringBuilder.append("Message idForHolder:" + msg1.getIdForHolder() + "\n");
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stringBuilder.append("Message content:" + msg1.getContent() + "\n");
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stringBuilder.append("Info for Message 2\n");
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stringBuilder.append("Message ID:" + msg2.getID() + "\n");
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stringBuilder.append("Message idForHolder:" + msg2.getIdForHolder() + "\n");
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stringBuilder.append("Message content:" + msg2.getContent() + "\n");
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if (zulipActivity.currentList.filter != null) {
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try {
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stringBuilder.append("JSONFilter json:" + zulipActivity.currentList.filter.getJsonFilter());
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} catch (JSONException e) {
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ZLog.logException(e);
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}
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stringBuilder.append("currentTitle: " + zulipActivity.currentList.filter.getTitle());
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stringBuilder.append("currentSubTitle: " + zulipActivity.currentList.filter.getSubtitle());
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} else {
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stringBuilder.append("currentZulipActivity: " + "homeList");
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}
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return stringBuilder.toString();
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}
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public static ViewAssertion checkIfMessagesMatchTheHeaderParent(final ZulipActivity zulipActivity) {
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return new ViewAssertion() {
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@Override
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public void check(View view, NoMatchingViewException noMatchingViewException) {
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if (!(view instanceof RecyclerView)) {
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throw noMatchingViewException;
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}
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RecyclerMessageAdapter recyclerMessageAdapter = (RecyclerMessageAdapter) ((RecyclerView) view).getAdapter();
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String lastHolderId = null;
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StringBuilder stringBuilder = new StringBuilder();
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for (int i = 0; i < recyclerMessageAdapter.getItemCount() - 1; i++) {
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Object object = recyclerMessageAdapter.getItem(i);
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if (object instanceof MessageHeaderParent) {
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lastHolderId = ((MessageHeaderParent) object).getId();
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stringBuilder.append("} \'MHP\'-\'" + lastHolderId + " {");
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} else if (object instanceof Message) {
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Message message = (Message) object;
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boolean checkOrder = (lastHolderId.equals(message.getIdForHolder()));
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assertTrue(generateDetailDebugInfoForCorrectHeaderParent(message, zulipActivity, lastHolderId, i), checkOrder);
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stringBuilder.append(message.getIdForHolder() + "-" + message.getID() + " , ");
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}
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}
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stringBuilder.append('}');
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printLogInPartsIfExceeded(stringBuilder, "checkIfMessagesMatchTheHeaderParent");
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}
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};
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}
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private static String generateDetailDebugInfoForCorrectHeaderParent(Message message, ZulipActivity zulipActivity, String lastHolderId, int index) {
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StringBuilder stringBuilder = new StringBuilder();
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stringBuilder.append("AtIndex:" + index + "\n");
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stringBuilder.append("LastHolderId MessageHeaderParent:" + lastHolderId + "\n");
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stringBuilder.append("Info for Message 1\n");
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stringBuilder.append("Message ID:" + message.getID() + "\n");
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stringBuilder.append("Message idForHolder:" + message.getIdForHolder() + "\n");
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stringBuilder.append("Message content:" + message.getContent() + "\n");
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if (zulipActivity.currentList.filter != null) {
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try {
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stringBuilder.append("JSONFilter json:" + zulipActivity.currentList.filter.getJsonFilter());
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} catch (JSONException e) {
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ZLog.logException(e);
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}
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stringBuilder.append("currentTitle: " + zulipActivity.currentList.filter.getTitle());
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stringBuilder.append("currentSubTitle: " + zulipActivity.currentList.filter.getSubtitle());
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} else {
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stringBuilder.append("currentZulipActivity: " + "homeList");
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}
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return stringBuilder.toString();
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}
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public static ViewAssertion checkIfBelongToSameNarrow(final ZulipActivity zulipActivity) {
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return new ViewAssertion() {
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@Override
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public void check(View view, NoMatchingViewException noMatchingViewException) {
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if (!(view instanceof RecyclerView)) {
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throw noMatchingViewException;
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}
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RecyclerMessageAdapter recyclerMessageAdapter = (RecyclerMessageAdapter) ((RecyclerView) view).getAdapter();
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String lastHolderId = null;
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int headerParentsCount = 0;
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StringBuilder stringBuilder = new StringBuilder();
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for (int i = 0; i < recyclerMessageAdapter.getItemCount() - 1; i++) {
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Object object = recyclerMessageAdapter.getItem(i);
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if (object instanceof MessageHeaderParent) {
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headerParentsCount++;
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assertTrue(generateDetailInfoSameNarrow((MessageHeaderParent) object, i, zulipActivity, lastHolderId), headerParentsCount <= 1);
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lastHolderId = ((MessageHeaderParent) object).getId();
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stringBuilder.append(lastHolderId + " { ");
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} else if (object instanceof Message) {
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boolean checkId = ((Message) object).getIdForHolder().equals(lastHolderId);
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assertTrue(generateDetailInfoSameNarrow(((Message) object), zulipActivity, lastHolderId, i), checkId);
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stringBuilder.append(((Message) object).getIdForHolder() + " , ");
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}
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}
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stringBuilder.append(" }");
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printLogInPartsIfExceeded(stringBuilder, "checkIfBelongToSameNarrow");
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}
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};
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}
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private static String generateDetailInfoSameNarrow(Message message, ZulipActivity zulipActivity, String lastHolderId, int index) {
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StringBuilder stringBuilder = new StringBuilder();
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stringBuilder.append("AtIndex:" + index + "\n");
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stringBuilder.append("lastHolderId:" + lastHolderId + "\n");
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stringBuilder.append("message id:" + message.getIdForHolder() + "\n");
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stringBuilder.append("vmessageType:" + message.getType().toString() + "\n");
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stringBuilder.append("message displayRecipent:" + message.getDisplayRecipient(ZulipApp.get()) + "\n");
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if (message.getType() == MessageType.STREAM_MESSAGE) {
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stringBuilder.append("message getStream:" + message.getStream().getName() + "\n");
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stringBuilder.append("message getSubject:" + message.getSubject() + "\n");
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} else {
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stringBuilder.append("message getRawRecipients:" + message.getRawRecipients() + "\n");
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}
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stringBuilder.append("Info for Message 1\n");
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stringBuilder.append("\nCurrentListInfo:\n");
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if (zulipActivity.currentList.filter != null) {
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try {
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stringBuilder.append("JSONFilter json:" + zulipActivity.currentList.filter.getJsonFilter());
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} catch (JSONException e) {
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ZLog.logException(e);
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}
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stringBuilder.append("currentTitle: " + zulipActivity.currentList.filter.getTitle());
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stringBuilder.append("currentSubTitle: " + zulipActivity.currentList.filter.getSubtitle());
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} else {
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stringBuilder.append("currentZulipActivity: " + "homeList");
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}
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return stringBuilder.toString();
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}
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private static String generateDetailInfoSameNarrow(MessageHeaderParent object, int index, ZulipActivity zulipActivity, String lastHolderId) {
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StringBuilder stringBuilder = new StringBuilder();
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stringBuilder.append("AtIndex:" + index + "\n");
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stringBuilder.append("lastHolderId:" + lastHolderId + "\n");
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stringBuilder.append("MessageHeaderParent id:" + object.getId() + "\n");
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stringBuilder.append("MessageHeaderParent messageType:" + object.getMessageType().toString() + "\n");
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stringBuilder.append("MessageHeaderParent displayRecipent:" + object.getDisplayRecipent() + "\n");
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stringBuilder.append("MessageHeaderParent getStream:" + object.getStream() + "\n");
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stringBuilder.append("MessageHeaderParent getSubject:" + object.getSubject() + "\n");
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stringBuilder.append("Info for Message 1\n");
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if (zulipActivity.currentList.filter != null) {
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try {
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stringBuilder.append("JSONFilter json:" + zulipActivity.currentList.filter.getJsonFilter());
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} catch (JSONException e) {
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ZLog.logException(e);
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}
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stringBuilder.append("currentTitle: " + zulipActivity.currentList.filter.getTitle());
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stringBuilder.append("currentSubTitle: " + zulipActivity.currentList.filter.getSubtitle());
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} else {
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stringBuilder.append("currentZulipActivity: " + "homeList");
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}
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return stringBuilder.toString();
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}
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private static void printLogInPartsIfExceeded(StringBuilder stringBuilder, String methodName) {
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if (stringBuilder.length() > 1800) {
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int chunkCount = stringBuilder.length() / 4000;
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for (int i = 0; i <= chunkCount; i++) {
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int max = 4000 * (i + 1);
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if (max >= stringBuilder.length()) {
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Log.d(LOG_TAG, methodName + ": " + stringBuilder.substring(4000 * i));
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} else {
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Log.d(LOG_TAG, methodName + ": " + stringBuilder.substring(4000 * i, max));
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}
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}
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} else {
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Log.d(LOG_TAG, stringBuilder.toString());
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}
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}
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public static ViewAssertion hasItemsCount() {
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return new ViewAssertion() {
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@Override
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public void check(View view, NoMatchingViewException e) {
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if (!(view instanceof RecyclerView)) {
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throw e;
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}
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RecyclerView rv = (RecyclerView) view;
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assertThat("Items less than 2, which means no E-Mails!", rv.getAdapter().getItemCount(), org.hamcrest.Matchers.greaterThan(2));
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}
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};
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}
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}

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