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RepoDaoTest.java
/* * Copyright (C) 2017 The Android Open Source Project * * Licensed 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 com.android.example.github.db; import com.android.example.github.util.TestUtil; import com.android.example.github.vo.Contributor; import com.android.example.github.vo.Repo; import org.junit.Test; import org.junit.runner.RunWith; import android.arch.lifecycle.LiveData; import android.database.sqlite.SQLiteException; import android.support.test.runner.AndroidJUnit4; import java.util.Arrays; import java.util.Collections; import java.util.List; import static com.android.example.github.util.LiveDataTestUtil.getValue; import static org.hamcrest.CoreMatchers.is; import static org.hamcrest.CoreMatchers.notNullValue; import static org.hamcrest.MatcherAssert.assertThat; @RunWith(AndroidJUnit4.class) public class RepoDaoTest extends DbTest { @Test public void insertAndRead() throws InterruptedException { Repo repo = TestUtil.createRepo("foo", "bar", "desc"); db.repoDao().insert(repo); Repo loaded = getValue(db.repoDao().load("foo", "bar")); assertThat(loaded, notNullValue()); assertThat(loaded.name, is("bar")); assertThat(loaded.description, is("desc")); assertThat(loaded.owner, notNullValue()); assertThat(loaded.owner.login, is("foo")); } @Test public void insertContributorsWithoutRepo() { Repo repo = TestUtil.createRepo("foo", "bar", "desc"); Contributor contributor = TestUtil.createContributor(repo, "c1", 3); try { db.repoDao().insertContributors(Collections.singletonList(contributor)); throw new AssertionError("must fail because repo does not exist"); } catch (SQLiteException ex) {} } @Test public void insertContributors() throws InterruptedException { Repo repo = TestUtil.createRepo("foo", "bar", "desc"); Contributor c1 = TestUtil.createContributor(repo, "c1", 3); Contributor c2 = TestUtil.createContributor(repo, "c2", 7); db.beginTransaction(); try { db.repoDao().insert(repo); db.repoDao().insertContributors(Arrays.asList(c1, c2)); db.setTransactionSuccessful(); } finally { db.endTransaction(); } List
list = getValue(db.repoDao().loadContributors("foo", "bar")); assertThat(list.size(), is(2)); Contributor first = list.get(0); assertThat(first.getLogin(), is("c2")); assertThat(first.getContributions(), is(7)); Contributor second = list.get(1); assertThat(second.getLogin(), is("c1")); assertThat(second.getContributions(), is(3)); } @Test public void createIfNotExists_exists() throws InterruptedException { Repo repo = TestUtil.createRepo("foo", "bar", "desc"); db.repoDao().insert(repo); assertThat(db.repoDao().createRepoIfNotExists(repo), is(-1L)); } @Test public void createIfNotExists_doesNotExist() { Repo repo = TestUtil.createRepo("foo", "bar", "desc"); assertThat(db.repoDao().createRepoIfNotExists(repo), is(1L)); } @Test public void insertContributorsThenUpdateRepo() throws InterruptedException { Repo repo = TestUtil.createRepo("foo", "bar", "desc"); db.repoDao().insert(repo); Contributor contributor = TestUtil.createContributor(repo, "aa", 3); db.repoDao().insertContributors(Collections.singletonList(contributor)); LiveData
> data = db.repoDao().loadContributors("foo", "bar"); assertThat(getValue(data).size(), is(1)); Repo update = TestUtil.createRepo("foo", "bar", "desc"); db.repoDao().insert(update); data = db.repoDao().loadContributors("foo", "bar"); assertThat(getValue(data).size(), is(1)); } }