Sorry it was my commit. I should have run site (javadoc) task before submitting PR.
On Thu, Jun 14, 2018 at 11:05 AM Michael Mior <mm...@apache.org> wrote: > Done. Thanks for consistently running those tests. > -- > Michael Mior > mm...@apache.org > > > Le jeu. 14 juin 2018 à 10:42, Julian Hyde <jh...@apache.org> a écrit : > > > This change introduces a javadoc error: > > > > [ERROR] > > > /home/jhyde/regress/calcite/mongodb/src/test/java/org/apache/calcite/test/MongoAdapterIT.java:35: > > error: unexpected end tag: </p> > > [ERROR] * </p> > > > > Please fix ASAP. > > > > > > > On Jun 13, 2018, at 6:00 PM, mm...@apache.org wrote: > > > > > > [CALCITE-2345] Running Unit tests with Fongo and integration tests with > > real mongo instance (Andrei Sereda) > > > > > > Better test coverage for unit tests using Fongo in-memory > implementation > > of Mongo API. > > > New code will decide (at runtime) what connection to make: fongo vs > > mongo. Identical tests will be run against > > > both databases (depending on maven profile surefire vs failsafe) > > > > > > Close apache/calcite#723 > > > > > > > > > Project: http://git-wip-us.apache.org/repos/asf/calcite/repo > > > Commit: http://git-wip-us.apache.org/repos/asf/calcite/commit/dcf396a5 > > > Tree: http://git-wip-us.apache.org/repos/asf/calcite/tree/dcf396a5 > > > Diff: http://git-wip-us.apache.org/repos/asf/calcite/diff/dcf396a5 > > > > > > Branch: refs/heads/master > > > Commit: dcf396a5ca92ee0714c28d9a3c310f53f46220ab > > > Parents: f84a3eb > > > Author: Andrei Sereda <and...@nospam.com> > > > Authored: Tue Jun 5 16:23:56 2018 -0400 > > > Committer: Michael Mior <mm...@uwaterloo.ca> > > > Committed: Wed Jun 13 18:59:15 2018 -0400 > > > > > > ---------------------------------------------------------------------- > > > mongodb/pom.xml | 10 +- > > > .../adapter/mongodb/MongoAdapterTest.java | 794 > +++++++++++++++--- > > > .../adapter/mongodb/MongoDatabaseRule.java | 83 ++ > > > .../org/apache/calcite/test/MongoAdapterIT.java | 830 > +------------------ > > > .../apache/calcite/test/MongoAssertions.java | 101 +++ > > > .../test/resources/mongo-foodmart-model.json | 221 ----- > > > mongodb/src/test/resources/mongo-model.json | 70 ++ > > > .../src/test/resources/mongo-zips-model.json | 41 - > > > mongodb/src/test/resources/zips-mini.json | 149 ++++ > > > pom.xml | 9 + > > > 10 files changed, 1132 insertions(+), 1176 deletions(-) > > > ---------------------------------------------------------------------- > > > > > > > > > > > > http://git-wip-us.apache.org/repos/asf/calcite/blob/dcf396a5/mongodb/pom.xml > > > ---------------------------------------------------------------------- > > > diff --git a/mongodb/pom.xml b/mongodb/pom.xml > > > index 25c0642..63cc147 100644 > > > --- a/mongodb/pom.xml > > > +++ b/mongodb/pom.xml > > > @@ -71,6 +71,11 @@ limitations under the License. > > > <scope>test</scope> > > > </dependency> > > > <dependency> > > > + <groupId>net.hydromatic</groupId> > > > + <artifactId>foodmart-data-json</artifactId> > > > + <scope>test</scope> > > > + </dependency> > > > + <dependency> > > > <groupId>org.mongodb</groupId> > > > <artifactId>mongo-java-driver</artifactId> > > > </dependency> > > > @@ -78,11 +83,6 @@ limitations under the License. > > > <groupId>org.slf4j</groupId> > > > <artifactId>slf4j-api</artifactId> > > > </dependency> > > > - <dependency> > > > - <groupId>org.slf4j</groupId> > > > - <artifactId>slf4j-log4j12</artifactId> > > > - <scope>test</scope> > > > - </dependency> > > > </dependencies> > > > > > > <build> > > > > > > > > > http://git-wip-us.apache.org/repos/asf/calcite/blob/dcf396a5/mongodb/src/test/java/org/apache/calcite/adapter/mongodb/MongoAdapterTest.java > > > ---------------------------------------------------------------------- > > > diff --git > > > a/mongodb/src/test/java/org/apache/calcite/adapter/mongodb/MongoAdapterTest.java > > > b/mongodb/src/test/java/org/apache/calcite/adapter/mongodb/MongoAdapterTest.java > > > index b6ca4f3..a4061e4 100644 > > > --- > > > a/mongodb/src/test/java/org/apache/calcite/adapter/mongodb/MongoAdapterTest.java > > > +++ > > > b/mongodb/src/test/java/org/apache/calcite/adapter/mongodb/MongoAdapterTest.java > > > @@ -16,143 +16,749 @@ > > > */ > > > package org.apache.calcite.adapter.mongodb; > > > > > > -import org.apache.calcite.jdbc.CalciteConnection; > > > +import org.apache.calcite.schema.Schema; > > > +import org.apache.calcite.schema.SchemaFactory; > > > import org.apache.calcite.schema.SchemaPlus; > > > import org.apache.calcite.test.CalciteAssert; > > > +import org.apache.calcite.test.MongoAssertions; > > > > > > -import com.github.fakemongo.junit.FongoRule; > > > + > > > +import org.apache.calcite.util.Bug; > > > +import org.apache.calcite.util.Util; > > > + > > > +import com.google.common.base.Function; > > > +import com.google.common.base.Preconditions; > > > +import com.google.common.io.LineProcessor; > > > +import com.google.common.io.Resources; > > > import com.mongodb.client.MongoCollection; > > > import com.mongodb.client.MongoDatabase; > > > > > > +import net.hydromatic.foodmart.data.json.FoodmartJson; > > > + > > > +import org.bson.BsonDateTime; > > > import org.bson.BsonDocument; > > > +import org.bson.BsonInt32; > > > +import org.bson.BsonString; > > > import org.bson.Document; > > > > > > -import org.junit.Before; > > > +import org.hamcrest.CoreMatchers; > > > + > > > +import org.junit.Assert; > > > +import org.junit.BeforeClass; > > > +import org.junit.ClassRule; > > > import org.junit.Ignore; > > > -import org.junit.Rule; > > > import org.junit.Test; > > > > > > -import java.sql.Connection; > > > -import java.sql.DriverManager; > > > +import java.io.IOException; > > > +import java.io.UncheckedIOException; > > > +import java.net.URL; > > > +import java.nio.charset.StandardCharsets; > > > +import java.sql.ResultSet; > > > import java.sql.SQLException; > > > +import java.text.SimpleDateFormat; > > > +import java.util.Date; > > > +import java.util.List; > > > +import java.util.Locale; > > > +import java.util.Map; > > > > > > /** > > > - * Tests current adapter using in-memory (fake) implementation of > Mongo > > API: > > > - * <a href="https://github.com/fakemongo/fongo";>Fongo</a>. > > > - * > > > + * Testing mongo adapter functionality. By default runs with > > > + * <a href="https://github.com/fakemongo/fongo";>Fongo</a> unless > > {@code IT} maven profile is enabled > > > + * (via {@code $ mvn -Pit install}). > > > */ > > > -public class MongoAdapterTest { > > > +public class MongoAdapterTest implements SchemaFactory { > > > + > > > + /** Connection factory based on the "mongo-zips" model. */ > > > + protected static final URL MODEL = > > MongoAdapterTest.class.getResource("/mongo-model.json"); > > > + > > > + /** Number of records in local file */ > > > + protected static final int ZIPS_SIZE = 149; > > > + > > > + @ClassRule > > > + public static final MongoDatabaseRule RULE = > > MongoDatabaseRule.create(); > > > + > > > + private static MongoSchema schema; > > > + > > > + @BeforeClass > > > + public static void setUp() throws Exception { > > > + MongoDatabase database = RULE.database(); > > > + > > > + populate(database.getCollection("zips"), > > MongoAdapterTest.class.getResource("/zips-mini.json")); > > > + populate(database.getCollection("store"), > > FoodmartJson.class.getResource("/store.json")); > > > + populate(database.getCollection("warehouse"), > > > + FoodmartJson.class.getResource("/warehouse.json")); > > > > > > - @Rule > > > - public final FongoRule rule = new FongoRule(); > > > + // Manually insert data for data-time test. > > > + MongoCollection<BsonDocument> datatypes = > > database.getCollection("datatypes") > > > + .withDocumentClass(BsonDocument.class); > > > + if (datatypes.count() > 0) { > > > + datatypes.deleteMany(new BsonDocument()); > > > + } > > > + BsonDocument doc = new BsonDocument(); > > > + Date date = new SimpleDateFormat("yyyy-MM-dd", > > Locale.getDefault()).parse("2012-09-05"); > > > + doc.put("date", new BsonDateTime(date.getTime())); > > > + doc.put("value", new BsonInt32(1231)); > > > + doc.put("ownerId", new BsonString("531e7789e4b0853ddb861313")); > > > + datatypes.insertOne(doc); > > > > > > - private MongoDatabase mongoDb; > > > - private MongoCollection<Document> zips; > > > + schema = new MongoSchema(database); > > > + } > > > + > > > + private static void populate(MongoCollection<Document> collection, > > URL resource) > > > + throws IOException { > > > + Preconditions.checkNotNull(collection, "collection"); > > > + > > > + if (collection.count() > 0) { > > > + // delete any existing documents (run from a clean set) > > > + collection.deleteMany(new BsonDocument()); > > > + } > > > > > > - @Before > > > - public void setUp() throws Exception { > > > - mongoDb = rule.getDatabase(getClass().getSimpleName()); > > > - zips = mongoDb.getCollection("zips"); > > > + MongoCollection<BsonDocument> bsonCollection = > > collection.withDocumentClass(BsonDocument.class); > > > + Resources.readLines(resource, StandardCharsets.UTF_8, new > > LineProcessor<Void>() { > > > + @Override public boolean processLine(String line) throws > > IOException { > > > + bsonCollection.insertOne(BsonDocument.parse(line)); > > > + return true; > > > + } > > > + > > > + @Override public Void getResult() { > > > + return null; > > > + } > > > + }); > > > } > > > > > > /** > > > - * Handcrafted connection where we manually added {@link > MongoSchema} > > > + * Returns always the same schema to avoid initialization costs. > > > */ > > > - private CalciteAssert.ConnectionFactory newConnectionFactory() { > > > - return new CalciteAssert.ConnectionFactory() { > > > - @Override public Connection createConnection() throws > > SQLException { > > > - Connection connection = > > DriverManager.getConnection("jdbc:calcite:"); > > > - final SchemaPlus root = > > connection.unwrap(CalciteConnection.class).getRootSchema(); > > > - root.add("mongo", new MongoSchema(mongoDb)); > > > - return connection; > > > - } > > > - }; > > > + @Override public Schema create(SchemaPlus parentSchema, String name, > > > + Map<String, Object> operand) { > > > + return schema; > > > + } > > > + > > > + private CalciteAssert.AssertThat assertModel(String model) { > > > + // ensure that Schema from this instance is being used > > > + model = model.replace(MongoSchemaFactory.class.getName(), > > MongoAdapterTest.class.getName()); > > > + > > > + return CalciteAssert.that() > > > + .withModel(model); > > > + } > > > + > > > + private CalciteAssert.AssertThat assertModel(URL url) { > > > + Preconditions.checkNotNull(url, "url"); > > > + try { > > > + return assertModel(Resources.toString(url, > > StandardCharsets.UTF_8)); > > > + } catch (IOException e) { > > > + throw new UncheckedIOException(e); > > > + } > > > } > > > > > > @Test > > > - public void single() { > > > - zips.insertOne(new Document()); > > > - CalciteAssert.that() > > > - .with(newConnectionFactory()) > > > - .query("select * from \"mongo\".\"zips\"") > > > + public void testSort() { > > > + assertModel(MODEL) > > > + .query("select * from zips order by state") > > > + .returnsCount(ZIPS_SIZE) > > > + .explainContains("PLAN=MongoToEnumerableConverter\n" > > > + + " MongoSort(sort0=[$4], dir0=[ASC])\n" > > > + + " MongoProject(CITY=[CAST(ITEM($0, > > 'city')):VARCHAR(20) CHARACTER SET \"ISO-8859-1\" COLLATE > > \"ISO-8859-1$en_US$primary\"], LONGITUDE=[CAST(ITEM(ITEM($0, 'loc'), > > 0)):FLOAT], LATITUDE=[CAST(ITEM(ITEM($0, 'loc'), 1)):FLOAT], > > POP=[CAST(ITEM($0, 'pop')):INTEGER], STATE=[CAST(ITEM($0, > > 'state')):VARCHAR(2) CHARACTER SET \"ISO-8859-1\" COLLATE > > \"ISO-8859-1$en_US$primary\"], ID=[CAST(ITEM($0, '_id')):VARCHAR(5) > > CHARACTER SET \"ISO-8859-1\" COLLATE \"ISO-8859-1$en_US$primary\"])\n" > > > + + " MongoTableScan(table=[[mongo_raw, > > zips]])"); > > > + } > > > + > > > + @Test public void testSortLimit() { > > > + assertModel(MODEL) > > > + .query("select state, id from zips\n" > > > + + "order by state, id offset 2 rows fetch next 3 > > rows only") > > > + .returns("STATE=AK; ID=99801\n" > > > + + "STATE=AL; ID=35215\n" > > > + + "STATE=AL; ID=35401\n") > > > + .queryContains( > > > + mongoChecker( > > > + "{$project: {STATE: '$state', ID: > '$_id'}}", > > > + "{$sort: {STATE: 1, ID: 1}}", > > > + "{$skip: 2}", > > > + "{$limit: 3}")); > > > + } > > > + > > > + @Test public void testOffsetLimit() { > > > + assertModel(MODEL) > > > + .query("select state, id from zips\n" > > > + + "offset 2 fetch next 3 rows only") > > > .runs() > > > - .returnsCount(1); > > > + .queryContains( > > > + mongoChecker( > > > + "{$skip: 2}", > > > + "{$limit: 3}", > > > + "{$project: {STATE: '$state', ID: > > '$_id'}}")); > > > } > > > > > > - @Test > > > - public void empty() { > > > - // for some reason fongo doesn't list collection if it was unused > > > - zips.insertOne(new Document()); > > > - zips.deleteMany(new BsonDocument()); > > > - > > > - CalciteAssert.that() > > > - .with(newConnectionFactory()) > > > - .query("select * from \"mongo\".\"zips\"") > > > + @Test public void testLimit() { > > > + assertModel(MODEL) > > > + .query("select state, id from zips\n" > > > + + "fetch next 3 rows only") > > > .runs() > > > - .returnsCount(0); > > > + .queryContains( > > > + mongoChecker( > > > + "{$limit: 3}", > > > + "{$project: {STATE: '$state', ID: > > '$_id'}}")); > > > } > > > > > > - @Test > > > - public void filter() { > > > - zips.insertOne(new Document("CITY", "New York").append("STATE", > > "NY")); > > > - zips.insertOne(new Document("CITY", "Washington").append("STATE", > > "DC")); > > > + @Ignore > > > + @Test public void testFilterSort() { > > > + // LONGITUDE and LATITUDE are null because of CALCITE-194. > > > + Util.discard(Bug.CALCITE_194_FIXED); > > > + assertModel(MODEL) > > > + .query("select * from zips\n" > > > + + "where city = 'SPRINGFIELD' and id >= '70000'\n" > > > + + "order by state, id") > > > + .returns("" > > > + + "CITY=SPRINGFIELD; LONGITUDE=null; > LATITUDE=null; > > POP=752; STATE=AR; ID=72157\n" > > > + + "CITY=SPRINGFIELD; LONGITUDE=null; > LATITUDE=null; > > POP=1992; STATE=CO; ID=81073\n" > > > + + "CITY=SPRINGFIELD; LONGITUDE=null; > LATITUDE=null; > > POP=5597; STATE=LA; ID=70462\n" > > > + + "CITY=SPRINGFIELD; LONGITUDE=null; > LATITUDE=null; > > POP=32384; STATE=OR; ID=97477\n" > > > + + "CITY=SPRINGFIELD; LONGITUDE=null; > LATITUDE=null; > > POP=27521; STATE=OR; ID=97478\n") > > > + .queryContains( > > > + mongoChecker( > > > + "{\n" > > > + + " $match: {\n" > > > + + " city: \"SPRINGFIELD\",\n" > > > + + " _id: {\n" > > > + + " $gte: \"70000\"\n" > > > + + " }\n" > > > + + " }\n" > > > + + "}", > > > + "{$project: {CITY: '$city', LONGITUDE: > > '$loc[0]', LATITUDE: '$loc[1]', POP: '$pop', STATE: '$state', ID: > '$_id'}}", > > > + "{$sort: {STATE: 1, ID: 1}}")) > > > + .explainContains("PLAN=MongoToEnumerableConverter\n" > > > + + " MongoSort(sort0=[$4], sort1=[$5], dir0=[ASC], > > dir1=[ASC])\n" > > > + + " MongoProject(CITY=[CAST(ITEM($0, > > 'city')):VARCHAR(20) CHARACTER SET \"ISO-8859-1\" COLLATE > > \"ISO-8859-1$en_US$primary\"], LONGITUDE=[CAST(ITEM(ITEM($0, 'loc'), > > 0)):FLOAT], LATITUDE=[CAST(ITEM(ITEM($0, 'loc'), 1)):FLOAT], > > POP=[CAST(ITEM($0, 'pop')):INTEGER], STATE=[CAST(ITEM($0, > > 'state')):VARCHAR(2) CHARACTER SET \"ISO-8859-1\" COLLATE > > \"ISO-8859-1$en_US$primary\"], ID=[CAST(ITEM($0, '_id')):VARCHAR(5) > > CHARACTER SET \"ISO-8859-1\" COLLATE \"ISO-8859-1$en_US$primary\"])\n" > > > + + " > MongoFilter(condition=[AND(=(CAST(ITEM($0, > > 'city')):VARCHAR(20) CHARACTER SET \"ISO-8859-1\" COLLATE > > \"ISO-8859-1$en_US$primary\", 'SPRINGFIELD'), >=(CAST(ITEM($0, > > '_id')):VARCHAR(5) CHARACTER SET \"ISO-8859-1\" COLLATE > > \"ISO-8859-1$en_US$primary\", '70000'))])\n" > > > + + " MongoTableScan(table=[[mongo_raw, > > zips]])"); > > > + } > > > > > > - CalciteAssert.that() > > > - .with(newConnectionFactory()) > > > - .query("select cast(_MAP['CITY'] as varchar(20)) as > > \"city\" from \"mongo\".\"zips\" " > > > - + " where _MAP['STATE'] = 'NY'") > > > - .returns("city=New York\n"); > > > + @Test public void testFilterSortDesc() { > > > + assertModel(MODEL) > > > + .query("select * from zips\n" > > > + + "where pop BETWEEN 45000 AND 46000\n" > > > + + "order by state desc, pop") > > > + .limit(4) > > > + .returns("CITY=BECKLEY; LONGITUDE=null; LATITUDE=null; > > POP=45196; STATE=WV; ID=25801\n" > > > + + "CITY=ROCKERVILLE; LONGITUDE=null; > LATITUDE=null; > > POP=45328; STATE=SD; ID=57701\n" > > > + + "CITY=PAWTUCKET; LONGITUDE=null; LATITUDE=null; > > POP=45442; STATE=RI; ID=02860\n" > > > + + "CITY=LAWTON; LONGITUDE=null; LATITUDE=null; > > POP=45542; STATE=OK; ID=73505\n"); > > > + } > > > > > > - CalciteAssert.that() > > > - .with(newConnectionFactory()) > > > - .query("select cast(_MAP['CITY'] as varchar(20)) as > > \"city\" from \"mongo\".\"zips\" " > > > - + " where _MAP['STATE'] = 'DC'") > > > - .returns("city=Washington\n"); > > > + @Ignore("broken; [CALCITE-2115] is logged to fix it") > > > + @Test public void testUnionPlan() { > > > + assertModel(MODEL) > > > + .query("select * from \"sales_fact_1997\"\n" > > > + + "union all\n" > > > + + "select * from \"sales_fact_1998\"") > > > + .explainContains("PLAN=EnumerableUnion(all=[true])\n" > > > + + " MongoToEnumerableConverter\n" > > > + + " MongoProject(product_id=[CAST(ITEM($0, > > 'product_id')):DOUBLE])\n" > > > + + " MongoTableScan(table=[[_foodmart, > > sales_fact_1997]])\n" > > > + + " MongoToEnumerableConverter\n" > > > + + " MongoProject(product_id=[CAST(ITEM($0, > > 'product_id')):DOUBLE])\n" > > > + + " MongoTableScan(table=[[_foodmart, > > sales_fact_1998]])") > > > + .limit(2) > > > + .returns( > > > + MongoAssertions.checkResultUnordered( > > > + "product_id=337", "product_id=1512")); > > > + } > > > > > > - CalciteAssert.that() > > > - .with(newConnectionFactory()) > > > - .query("select cast(_MAP['CITY'] as varchar(20)) as > > \"city\" from \"mongo\".\"zips\" " > > > - + " where _MAP['STATE'] in ('DC', 'NY')") > > > - .returns("city=New York\ncity=Washington\n"); > > > + @Ignore( > > > + "java.lang.ClassCastException: java.lang.Integer cannot be > > cast to java.lang.Double") > > > + @Test public void testFilterUnionPlan() { > > > + assertModel(MODEL) > > > + .query("select * from (\n" > > > + + " select * from \"sales_fact_1997\"\n" > > > + + " union all\n" > > > + + " select * from \"sales_fact_1998\")\n" > > > + + "where \"product_id\" = 1") > > > + .runs(); > > > } > > > > > > - @Test > > > - public void limit() { > > > - zips.insertOne(new Document("CITY", "New York").append("STATE", > > "NY")); > > > - zips.insertOne(new Document("CITY", "Washington").append("STATE", > > "DC")); > > > + /** Tests that we don't generate multiple constraints on the same > > column. > > > + * MongoDB doesn't like it. If there is an '=', it supersedes all > > other > > > + * operators. */ > > > + @Test public void testFilterRedundant() { > > > + assertModel(MODEL) > > > + .query( > > > + "select * from zips where state > 'CA' and state < > > 'AZ' and state = 'OK'") > > > + .runs() > > > + .queryContains( > > > + mongoChecker( > > > + "{\n" > > > + + " \"$match\": {\n" > > > + + " \"state\": \"OK\"\n" > > > + + " }\n" > > > + + "}", > > > + "{$project: {CITY: '$city', LONGITUDE: > > '$loc[0]', LATITUDE: '$loc[1]', POP: '$pop', STATE: '$state', ID: > > '$_id'}}")); > > > + } > > > + > > > + @Test public void testSelectWhere() { > > > + assertModel(MODEL) > > > + .query( > > > + "select * from \"warehouse\" where > > \"warehouse_state_province\" = 'CA'") > > > + .explainContains("PLAN=MongoToEnumerableConverter\n" > > > + + " MongoProject(warehouse_id=[CAST(ITEM($0, > > 'warehouse_id')):DOUBLE], warehouse_state_province=[CAST(ITEM($0, > > 'warehouse_state_province')):VARCHAR(20) CHARACTER SET \"ISO-8859-1\" > > COLLATE \"ISO-8859-1$en_US$primary\"])\n" > > > + + " MongoFilter(condition=[=(CAST(ITEM($0, > > 'warehouse_state_province')):VARCHAR(20) CHARACTER SET \"ISO-8859-1\" > > COLLATE \"ISO-8859-1$en_US$primary\", 'CA')])\n" > > > + + " MongoTableScan(table=[[mongo_raw, > > warehouse]])") > > > + .returns( > > > + MongoAssertions.checkResultUnordered( > > > + "warehouse_id=6; > > warehouse_state_province=CA", > > > + "warehouse_id=7; > > warehouse_state_province=CA", > > > + "warehouse_id=14; > > warehouse_state_province=CA", > > > + "warehouse_id=24; > > warehouse_state_province=CA")) > > > + .queryContains( > > > + // Per > > https://issues.apache.org/jira/browse/CALCITE-164, > > > + // $match must occur before $project for good > > performance. > > > + mongoChecker( > > > + "{\n" > > > + + " \"$match\": {\n" > > > + + " > > \"warehouse_state_province\": \"CA\"\n" > > > + + " }\n" > > > + + "}", > > > + "{$project: {warehouse_id: 1, > > warehouse_state_province: 1}}")); > > > + } > > > > > > - CalciteAssert.that() > > > - .with(newConnectionFactory()) > > > - .query("select * from \"mongo\".\"zips\" limit 1") > > > - .returnsCount(1); > > > + @Test public void testInPlan() { > > > + assertModel(MODEL) > > > + .query("select \"store_id\", \"store_name\" from > > \"store\"\n" > > > + + "where \"store_name\" in ('Store 1', 'Store 10', > > 'Store 11', 'Store 15', 'Store 16', 'Store 24', 'Store 3', 'Store 7')") > > > + .returns( > > > + MongoAssertions.checkResultUnordered( > > > + "store_id=1; store_name=Store 1", > > > + "store_id=3; store_name=Store 3", > > > + "store_id=7; store_name=Store 7", > > > + "store_id=10; store_name=Store 10", > > > + "store_id=11; store_name=Store 11", > > > + "store_id=15; store_name=Store 15", > > > + "store_id=16; store_name=Store 16", > > > + "store_id=24; store_name=Store 24")) > > > + .queryContains( > > > + mongoChecker( > > > + "{\n" > > > + + " \"$match\": {\n" > > > + + " \"$or\": [\n" > > > + + " {\n" > > > + + " \"store_name\": \"Store > > 1\"\n" > > > + + " },\n" > > > + + " {\n" > > > + + " \"store_name\": \"Store > > 10\"\n" > > > + + " },\n" > > > + + " {\n" > > > + + " \"store_name\": \"Store > > 11\"\n" > > > + + " },\n" > > > + + " {\n" > > > + + " \"store_name\": \"Store > > 15\"\n" > > > + + " },\n" > > > + + " {\n" > > > + + " \"store_name\": \"Store > > 16\"\n" > > > + + " },\n" > > > + + " {\n" > > > + + " \"store_name\": \"Store > > 24\"\n" > > > + + " },\n" > > > + + " {\n" > > > + + " \"store_name\": \"Store > > 3\"\n" > > > + + " },\n" > > > + + " {\n" > > > + + " \"store_name\": \"Store > > 7\"\n" > > > + + " }\n" > > > + + " ]\n" > > > + + " }\n" > > > + + "}", > > > + "{$project: {store_id: 1, store_name: > > 1}}")); > > > + } > > > > > > - CalciteAssert.that() > > > - .with(newConnectionFactory()) > > > - .query("select * from \"mongo\".\"zips\" limit 2") > > > - .returnsCount(2); > > > + /** Simple query based on the "mongo-zips" model. */ > > > + @Test public void testZips() { > > > + assertModel(MODEL) > > > + .query("select state, city from zips") > > > + .returnsCount(ZIPS_SIZE); > > > + } > > > > > > + @Test public void testCountGroupByEmpty() { > > > + assertModel(MODEL) > > > + .query("select count(*) from zips") > > > + .returns(String.format(Locale.getDefault(), "EXPR$0=%d\n", > > ZIPS_SIZE)) > > > + .explainContains("PLAN=MongoToEnumerableConverter\n" > > > + + " MongoAggregate(group=[{}], > EXPR$0=[COUNT()])\n" > > > + + " MongoTableScan(table=[[mongo_raw, zips]])") > > > + .queryContains( > > > + mongoChecker( > > > + "{$group: {_id: {}, 'EXPR$0': {$sum: > > 1}}}")); > > > } > > > > > > - /** > > > - * Following queries are not supported in Mongo adapter : > > > - * <pre> > > > - * {@code A and (B or C)} > > > - * {@code (A or B) and C} > > > - * </pre> > > > + @Test public void testCountGroupByEmptyMultiplyBy2() { > > > + // This operation is not supported by fongo: > > https://github.com/fakemongo/fongo/issues/152 > > > + MongoAssertions.assumeRealMongoInstance(); > > > + > > > + assertModel(MODEL) > > > + .query("select count(*)*2 from zips") > > > + .returns(String.format(Locale.getDefault(), "EXPR$0=%d\n", > > ZIPS_SIZE * 2)) > > > + .queryContains( > > > + mongoChecker( > > > + "{$group: {_id: {}, _0: {$sum: 1}}}", > > > + "{$project: {'EXPR$0': {$multiply: ['$_0', > > {$literal: 2}]}}}")); > > > + } > > > + > > > + @Test public void testGroupByOneColumnNotProjected() { > > > + assertModel(MODEL) > > > + .query("select count(*) from zips group by state order by > > 1") > > > + .limit(2) > > > + .returns("EXPR$0=2\n" > > > + + "EXPR$0=2\n") > > > + .queryContains( > > > + mongoChecker( > > > + "{$project: {STATE: '$state'}}", > > > + "{$group: {_id: '$STATE', 'EXPR$0': {$sum: > > 1}}}", > > > + "{$project: {STATE: '$_id', 'EXPR$0': > > '$EXPR$0'}}", > > > + "{$project: {'EXPR$0': 1}}", > > > + "{$sort: {EXPR$0: 1}}")); > > > + } > > > + > > > + @Test public void testGroupByOneColumn() { > > > + assertModel(MODEL) > > > + .query( > > > + "select state, count(*) as c from zips group by > > state order by state") > > > + .limit(2) > > > + .returns("STATE=AK; C=3\nSTATE=AL; C=3\n") > > > + .queryContains( > > > + mongoChecker( > > > + "{$project: {STATE: '$state'}}", > > > + "{$group: {_id: '$STATE', C: {$sum: 1}}}", > > > + "{$project: {STATE: '$_id', C: '$C'}}", > > > + "{$sort: {STATE: 1}}")); > > > + } > > > + > > > + @Test public void testGroupByOneColumnReversed() { > > > + // Note extra $project compared to testGroupByOneColumn. > > > + assertModel(MODEL) > > > + .query( > > > + "select count(*) as c, state from zips group by > > state order by state") > > > + .limit(2) > > > + .returns("C=3; STATE=AK\nC=3; STATE=AL\n") > > > + .queryContains( > > > + mongoChecker( > > > + "{$project: {STATE: '$state'}}", > > > + "{$group: {_id: '$STATE', C: {$sum: 1}}}", > > > + "{$project: {STATE: '$_id', C: '$C'}}", > > > + "{$project: {C: 1, STATE: 1}}", > > > + "{$sort: {STATE: 1}}")); > > > + } > > > + > > > + @Test public void testGroupByAvg() { > > > + assertModel(MODEL) > > > + .query( > > > + "select state, avg(pop) as a from zips group by > > state order by state") > > > + .limit(2) > > > + .returns("STATE=AK; A=26856\nSTATE=AL; A=43383\n") > > > + .queryContains( > > > + mongoChecker( > > > + "{$project: {POP: '$pop', STATE: > > '$state'}}", > > > + "{$group: {_id: '$STATE', A: {$avg: > > '$POP'}}}", > > > + "{$project: {STATE: '$_id', A: '$A'}}", > > > + "{$sort: {STATE: 1}}")); > > > + } > > > + > > > + @Test public void testGroupByAvgSumCount() { > > > + // This operation not supported by fongo: > > https://github.com/fakemongo/fongo/issues/152 > > > + MongoAssertions.assumeRealMongoInstance(); > > > + assertModel(MODEL) > > > + .query( > > > + "select state, avg(pop) as a, sum(pop) as s, > > count(pop) as c from zips group by state order by state") > > > + .limit(2) > > > + .returns("STATE=AK; A=26856; S=80568; C=3\n" > > > + + "STATE=AL; A=43383; S=130151; C=3\n") > > > + .queryContains( > > > + mongoChecker( > > > + "{$project: {POP: '$pop', STATE: > > '$state'}}", > > > + "{$group: {_id: '$STATE', _1: {$sum: > > '$POP'}, _2: {$sum: {$cond: [ {$eq: ['POP', null]}, 0, 1]}}}}", > > > + "{$project: {STATE: '$_id', _1: '$_1', _2: > > '$_2'}}", > > > + "{$sort: {STATE: 1}}", > > > + "{$project: {STATE: 1, A: {$divide: > > [{$cond:[{$eq: ['$_2', {$literal: 0}]},null,'$_1']}, '$_2']}, S: > > {$cond:[{$eq: ['$_2', {$literal: 0}]},null,'$_1']}, C: '$_2'}}")); > > > + } > > > + > > > + @Test public void testGroupByHaving() { > > > + assertModel(MODEL) > > > + .query("select state, count(*) as c from zips\n" > > > + + "group by state having count(*) > 2 order by > > state") > > > + .returnsCount(47) > > > + .queryContains( > > > + mongoChecker( > > > + "{$project: {STATE: '$state'}}", > > > + "{$group: {_id: '$STATE', C: {$sum: 1}}}", > > > + "{$project: {STATE: '$_id', C: '$C'}}", > > > + "{\n" > > > + + " \"$match\": {\n" > > > + + " \"C\": {\n" > > > + + " \"$gt\": 2\n" > > > + + " }\n" > > > + + " }\n" > > > + + "}", > > > + "{$sort: {STATE: 1}}")); > > > + } > > > + > > > + @Ignore("https://issues.apache.org/jira/browse/CALCITE-270";) > > > + @Test public void testGroupByHaving2() { > > > + assertModel(MODEL) > > > + .query("select state, count(*) as c from zips\n" > > > + + "group by state having sum(pop) > 12000000") > > > + .returns("STATE=NY; C=1596\n" > > > + + "STATE=TX; C=1676\n" > > > + + "STATE=FL; C=826\n" > > > + + "STATE=CA; C=1523\n") > > > + .queryContains( > > > + mongoChecker( > > > + "{$project: {STATE: '$state', POP: > > '$pop'}}", > > > + "{$group: {_id: '$STATE', C: {$sum: 1}, > _2: > > {$sum: '$POP'}}}", > > > + "{$project: {STATE: '$_id', C: '$C', _2: > > '$_2'}}", > > > + "{\n" > > > + + " $match: {\n" > > > + + " _2: {\n" > > > + + " $gt: 12000000\n" > > > + + " }\n" > > > + + " }\n" > > > + + "}", > > > + "{$project: {STATE: 1, C: 1}}")); > > > + } > > > + > > > + @Test public void testGroupByMinMaxSum() { > > > + assertModel(MODEL) > > > + .query("select count(*) as c, state,\n" > > > + + " min(pop) as min_pop, max(pop) as max_pop, > > sum(pop) as sum_pop\n" > > > + + "from zips group by state order by state") > > > + .limit(2) > > > + .returns("C=3; STATE=AK; MIN_POP=23238; MAX_POP=32383; > > SUM_POP=80568\n" > > > + + "C=3; STATE=AL; MIN_POP=42124; MAX_POP=44165; > > SUM_POP=130151\n") > > > + .queryContains( > > > + mongoChecker( > > > + "{$project: {POP: '$pop', STATE: > > '$state'}}", > > > + "{$group: {_id: '$STATE', C: {$sum: 1}, > > MIN_POP: {$min: '$POP'}, MAX_POP: {$max: '$POP'}, SUM_POP: {$sum: > > '$POP'}}}", > > > + "{$project: {STATE: '$_id', C: '$C', > > MIN_POP: '$MIN_POP', MAX_POP: '$MAX_POP', SUM_POP: '$SUM_POP'}}", > > > + "{$project: {C: 1, STATE: 1, MIN_POP: 1, > > MAX_POP: 1, SUM_POP: 1}}", > > > + "{$sort: {STATE: 1}}")); > > > + } > > > + > > > + @Test public void testGroupComposite() { > > > + assertModel(MODEL) > > > + .query("select count(*) as c, state, city from zips\n" > > > + + "group by state, city\n" > > > + + "order by c desc, city\n" > > > + + "limit 2") > > > + .returns("C=1; STATE=SD; CITY=ABERDEEN\n" > > > + + "C=1; STATE=SC; CITY=AIKEN\n") > > > + .queryContains( > > > + mongoChecker( > > > + "{$project: {CITY: '$city', STATE: > > '$state'}}", > > > + "{$group: {_id: {CITY: '$CITY', STATE: > > '$STATE'}, C: {$sum: 1}}}", > > > + "{$project: {_id: 0, CITY: '$_id.CITY', > > STATE: '$_id.STATE', C: '$C'}}", > > > + "{$sort: {C: -1, CITY: 1}}", > > > + "{$limit: 2}", > > > + "{$project: {C: 1, STATE: 1, CITY: 1}}")); > > > + } > > > + > > > + @Ignore("broken; [CALCITE-2115] is logged to fix it") > > > + @Test public void testDistinctCount() { > > > + assertModel(MODEL) > > > + .query("select state, count(distinct city) as cdc from > > zips\n" > > > + + "where state in ('CA', 'TX') group by state > order > > by state") > > > + .returns("STATE=CA; CDC=1072\n" > > > + + "STATE=TX; CDC=1233\n") > > > + .queryContains( > > > + mongoChecker( > > > + "{\n" > > > + + " \"$match\": {\n" > > > + + " \"$or\": [\n" > > > + + " {\n" > > > + + " \"state\": \"CA\"\n" > > > + + " },\n" > > > + + " {\n" > > > + + " \"state\": \"TX\"\n" > > > + + " }\n" > > > + + " ]\n" > > > + + " }\n" > > > + + "}", > > > + "{$project: {CITY: '$city', STATE: > > '$state'}}", > > > + "{$group: {_id: {CITY: '$CITY', STATE: > > '$STATE'}}}", > > > + "{$project: {_id: 0, CITY: '$_id.CITY', > > STATE: '$_id.STATE'}}", > > > + "{$group: {_id: '$STATE', CDC: {$sum: > > {$cond: [ {$eq: ['CITY', null]}, 0, 1]}}}}", > > > + "{$project: {STATE: '$_id', CDC: > '$CDC'}}", > > > + "{$sort: {STATE: 1}}")); > > > + } > > > + > > > + @Test public void testDistinctCountOrderBy() { > > > + // java.lang.ClassCastException: com.mongodb.BasicDBObject cannot > > be cast to java.lang.Number > > > + // https://github.com/fakemongo/fongo/issues/152 > > > + MongoAssertions.assumeRealMongoInstance(); > > > + assertModel(MODEL) > > > + .query("select state, count(distinct city) as cdc\n" > > > + + "from zips\n" > > > + + "group by state\n" > > > + + "order by cdc desc limit 5") > > > + .returns("STATE=VA; CDC=3\n" > > > + + "STATE=NY; CDC=3\n" > > > + + "STATE=SC; CDC=3\n" > > > + + "STATE=RI; CDC=3\n" > > > + + "STATE=WV; CDC=3\n") > > > + .queryContains( > > > + mongoChecker( > > > + "{$project: {CITY: '$city', STATE: > > '$state'}}", > > > + "{$group: {_id: {CITY: '$CITY', STATE: > > '$STATE'}}}", > > > + "{$project: {_id: 0, CITY: '$_id.CITY', > > STATE: '$_id.STATE'}}", > > > + "{$group: {_id: '$STATE', CDC: {$sum: > > {$cond: [ {$eq: ['CITY', null]}, 0, 1]}}}}", > > > + "{$project: {STATE: '$_id', CDC: > '$CDC'}}", > > > + "{$sort: {CDC: -1}}", > > > + "{$limit: 5}")); > > > + } > > > + > > > + @Ignore("broken; [CALCITE-2115] is logged to fix it") > > > + @Test public void testProject() { > > > + assertModel(MODEL) > > > + .query("select state, city, 0 as zero from zips order by > > state, city") > > > + .limit(2) > > > + .returns("STATE=AK; CITY=AKHIOK; ZERO=0\n" > > > + + "STATE=AK; CITY=AKIACHAK; ZERO=0\n") > > > + .queryContains( > > > + mongoChecker( > > > + "{$project: {CITY: '$city', STATE: > > '$state'}}", > > > + "{$sort: {STATE: 1, CITY: 1}}", > > > + "{$project: {STATE: 1, CITY: 1, ZERO: > > {$literal: 0}}}")); > > > + } > > > + > > > + @Test public void testFilter() { > > > + assertModel(MODEL) > > > + .query("select state, city from zips where state = 'CA'") > > > + .limit(2) > > > + .returns("STATE=CA; CITY=LOS ANGELES\n" > > > + + "STATE=CA; CITY=BELL GARDENS\n") > > > + .explainContains("PLAN=MongoToEnumerableConverter\n" > > > + + " MongoProject(STATE=[CAST(ITEM($0, > > 'state')):VARCHAR(2) CHARACTER SET \"ISO-8859-1\" COLLATE > > \"ISO-8859-1$en_US$primary\"], CITY=[CAST(ITEM($0, 'city')):VARCHAR(20) > > CHARACTER SET \"ISO-8859-1\" COLLATE \"ISO-8859-1$en_US$primary\"])\n" > > > + + " MongoFilter(condition=[=(CAST(ITEM($0, > > 'state')):VARCHAR(2) CHARACTER SET \"ISO-8859-1\" COLLATE > > \"ISO-8859-1$en_US$primary\", 'CA')])\n" > > > + + " MongoTableScan(table=[[mongo_raw, > > zips]])"); > > > + } > > > + > > > + /** MongoDB's predicates are handed (they can only accept literals > on > > the > > > + * right-hand size) so it's worth testing that we handle them right > > both > > > + * ways around. */ > > > + @Test public void testFilterReversed() { > > > + assertModel(MODEL) > > > + .query("select state, city from zips where 'WI' < state") > > > + .limit(2) > > > + .returns("STATE=WV; CITY=BECKLEY\nSTATE=WV; CITY=ELM > > GROVE\n"); > > > + > > > + assertModel(MODEL) > > > + .query("select state, city from zips where state > 'WI'") > > > + .limit(2) > > > + .returns("STATE=WV; CITY=BECKLEY\n" > > > + + "STATE=WV; CITY=ELM GROVE\n"); > > > + } > > > + > > > + /** MongoDB's predicates are handed (they can only accept literals > on > > the > > > + * right-hand size) so it's worth testing that we handle them right > > both > > > + * ways around. > > > * > > > - * @see <a href="https://issues.apache.org/jira/browse/CALCITE-2331 > > ">[CALCITE-2331]</a> > > > - */ > > > - @Ignore("broken; [CALCITE-2331] is logged to fix it") > > > - @Test > > > - public void validateCALCITE2331() { > > > - zips.insertOne(new Document("CITY", "New York").append("STATE", > > "NY")); > > > - zips.insertOne(new Document("CITY", "Washington").append("STATE", > > "DC")); > > > - > > > - CalciteAssert.that() > > > - .with(newConnectionFactory()) > > > - .query("select cast(_MAP['CITY'] as varchar(20)) as > > \"city\" from \"mongo\".\"zips\" " > > > - + " where _MAP['STATE'] in ('DC', 'NY') and > > _MAP['CITY'] = 'New York'") > > > - .returns("city=New York\n"); > > > + * <p>Test case for > > > + * <a href="https://issues.apache.org/jira/browse/CALCITE-740 > > ">[CALCITE-740] > > > + * Redundant WHERE clause causes wrong result in MongoDB > adapter</a>. > > */ > > > + @Test public void testFilterPair() { > > > + final int gt9k = 148; > > > + final int lt9k = 1; > > > + final int gt8k = 148; > > > + final int lt8k = 1; > > > + checkPredicate(gt9k, "where pop > 8000 and pop > 9000"); > > > + checkPredicate(gt9k, "where pop > 9000"); > > > + checkPredicate(lt9k, "where pop < 9000"); > > > + checkPredicate(gt8k, "where pop > 8000"); > > > + checkPredicate(lt8k, "where pop < 8000"); > > > + checkPredicate(gt9k, "where pop > 9000 and pop > 8000"); > > > + checkPredicate(gt8k, "where pop > 9000 or pop > 8000"); > > > + checkPredicate(gt8k, "where pop > 8000 or pop > 9000"); > > > + checkPredicate(lt8k, "where pop < 8000 and pop < 9000"); > > > + } > > > + > > > + private void checkPredicate(int expected, String q) { > > > + assertModel(MODEL) > > > + .query("select count(*) as c from zips\n" > > > + + q) > > > + .returns("C=" + expected + "\n"); > > > + assertModel(MODEL) > > > + .query("select * from zips\n" > > > + + q) > > > + .returnsCount(expected); > > > + } > > > + > > > + /** Test case for > > > + * <a href="https://issues.apache.org/jira/browse/CALCITE-286 > > ">[CALCITE-286] > > > + * Error casting MongoDB date</a>. */ > > > + @Test public void testDate() { > > > + // Assumes that you have created the following collection before > > running > > > + // this test: > > > + // > > > + // $ mongo > > > + // > use test > > > + // switched to db test > > > + // > db.createCollection("datatypes") > > > + // { "ok" : 1 } > > > + // > db.datatypes.insert( { > > > + // "_id" : ObjectId("53655599e4b0c980df0a8c27"), > > > + // "_class" : "com.ericblue.Test", > > > + // "date" : ISODate("2012-09-05T07:00:00Z"), > > > + // "value" : 1231, > > > + // "ownerId" : "531e7789e4b0853ddb861313" > > > + // } ) > > > + assertModel("{\n" > > > + + " version: '1.0',\n" > > > + + " defaultSchema: 'test',\n" > > > + + " schemas: [\n" > > > + + " {\n" > > > + + " type: 'custom',\n" > > > + + " name: 'test',\n" > > > + + " factory: > > 'org.apache.calcite.adapter.mongodb.MongoSchemaFactory',\n" > > > + + " operand: {\n" > > > + + " host: 'localhost',\n" > > > + + " database: 'test'\n" > > > + + " }\n" > > > + + " }\n" > > > + + " ]\n" > > > + + "}") > > > + .query("select cast(_MAP['date'] as DATE) from > > \"datatypes\"") > > > + .returnsUnordered("EXPR$0=2012-09-05"); > > > + } > > > + > > > + /** Test case for > > > + * <a href="https://issues.apache.org/jira/browse/CALCITE-665 > > ">[CALCITE-665] > > > + * ClassCastException in MongoDB adapter</a>. */ > > > + @Test public void testCountViaInt() { > > > + assertModel(MODEL) > > > + .query("select count(*) from zips") > > > + .returns( > > > + new Function<ResultSet, Void>() { > > > + public Void apply(ResultSet input) { > > > + try { > > > + Assert.assertThat(input.next(), > > CoreMatchers.is(true)); > > > + Assert.assertThat(input.getInt(1), > > CoreMatchers.is(ZIPS_SIZE)); > > > + return null; > > > + } catch (SQLException e) { > > > + throw new RuntimeException(e); > > > + } > > > + } > > > + }); > > > + } > > > + > > > + /** Returns a function that checks that a particular MongoDB > pipeline > > is > > > + * generated to implement a query. */ > > > + private static Function<List, Void> mongoChecker(final String... > > strings) { > > > + return new Function<List, Void>() { > > > + public Void apply(List actual) { > > > + Object[] actualArray = > > > + actual == null || actual.isEmpty() > > > + ? null > > > + : ((List) actual.get(0)).toArray(); > > > + CalciteAssert.assertArrayEqual("expected MongoDB query not > > found", > > > + strings, actualArray); > > > + return null; > > > + } > > > + }; > > > } > > > } > > > > > > > > > > > > http://git-wip-us.apache.org/repos/asf/calcite/blob/dcf396a5/mongodb/src/test/java/org/apache/calcite/adapter/mongodb/MongoDatabaseRule.java > > > ---------------------------------------------------------------------- > > > diff --git > > > a/mongodb/src/test/java/org/apache/calcite/adapter/mongodb/MongoDatabaseRule.java > > > b/mongodb/src/test/java/org/apache/calcite/adapter/mongodb/MongoDatabaseRule.java > > > new file mode 100644 > > > index 0000000..90bd759 > > > --- /dev/null > > > +++ > > > b/mongodb/src/test/java/org/apache/calcite/adapter/mongodb/MongoDatabaseRule.java > > > @@ -0,0 +1,83 @@ > > > +/* > > > + * 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.calcite.adapter.mongodb; > > > + > > > +import org.apache.calcite.test.MongoAssertions; > > > + > > > +import com.github.fakemongo.Fongo; > > > + > > > +import com.google.common.base.Preconditions; > > > + > > > +import com.mongodb.MongoClient; > > > +import com.mongodb.client.MongoDatabase; > > > + > > > +import org.junit.rules.ExternalResource; > > > + > > > +/** > > > + * Instantiates new connection to fongo (or mongo) database depending > > on current profile > > > + * (unit or integration tests). > > > + * > > > + * By default, this rule is executed as part of a unit test and > > in-memory database > > > + * <a href="https://github.com/fakemongo/fongo";>fongo</a> is used. > > > + * > > > + * <p>However, if maven profile is set to {@code IT} (eg. via command > > line > > > + * {@code $ mvn -Pit install}) this rule will connect to existing > > (external) > > > + * mongo instance ({@code localhost})</p> > > > + * > > > + */ > > > +class MongoDatabaseRule extends ExternalResource { > > > + > > > + private static final String DB_NAME = "test"; > > > + > > > + private final MongoDatabase database; > > > + private final MongoClient client; > > > + > > > + private MongoDatabaseRule(MongoClient client) { > > > + this.client = Preconditions.checkNotNull(client, "client"); > > > + this.database = client.getDatabase(DB_NAME); > > > + } > > > + > > > + /** > > > + * Create an instance based on current maven profile (as defined by > > {@code -Pit}). > > > + */ > > > + static MongoDatabaseRule create() { > > > + final MongoClient client; > > > + if (MongoAssertions.useMongo()) { > > > + // use to real client (connects to mongo) > > > + client = new MongoClient(); > > > + } else if (MongoAssertions.useFongo()) { > > > + // in-memory DB (fake Mongo) > > > +
