Author: matthieu
Date: Mon Nov 2 14:15:54 2015
New Revision: 1712007
URL: http://svn.apache.org/viewvc?rev=1712007&view=rev
Log:
JAMES-1629 Cassandra RRT implementation
Contributed by Antoine Duprat
Added:
james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/cassandra/CassandraRRTModule.java
- copied, changed from r1712006,
james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/CassandraRRTModule.java
james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/cassandra/tables/
james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/cassandra/tables/CassandraRecipientRewriteTableTable.java
- copied, changed from r1712006,
james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/RewriteTablesTest.java
Removed:
james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/CassandraRRTModule.java
Modified:
james/project/trunk/server/data/data-api/pom.xml
james/project/trunk/server/data/data-api/src/main/java/org/apache/james/rrt/lib/Mappings.java
james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/cassandra/CassandraRecipientRewriteTable.java
james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/CassandraRecipientRewriteTableTest.java
james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/CassandraStepdefs.java
james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/RewriteTablesTest.java
james/project/trunk/server/data/data-library/pom.xml
james/project/trunk/server/data/data-library/src/main/java/org/apache/james/rrt/lib/MappingsImpl.java
james/project/trunk/server/data/data-library/src/test/java/org/apache/james/rrt/lib/MappingsImplTest.java
Modified: james/project/trunk/server/data/data-api/pom.xml
URL:
http://svn.apache.org/viewvc/james/project/trunk/server/data/data-api/pom.xml?rev=1712007&r1=1712006&r2=1712007&view=diff
==============================================================================
--- james/project/trunk/server/data/data-api/pom.xml (original)
+++ james/project/trunk/server/data/data-api/pom.xml Mon Nov 2 14:15:54 2015
@@ -41,6 +41,10 @@
<artifactId>apache-mailet-api</artifactId>
</dependency>
<dependency>
+ <groupId>com.google.guava</groupId>
+ <artifactId>guava</artifactId>
+ </dependency>
+ <dependency>
<groupId>${javax.mail.groupId}</groupId>
<artifactId>${javax.mail.artifactId}</artifactId>
</dependency>
Modified:
james/project/trunk/server/data/data-api/src/main/java/org/apache/james/rrt/lib/Mappings.java
URL:
http://svn.apache.org/viewvc/james/project/trunk/server/data/data-api/src/main/java/org/apache/james/rrt/lib/Mappings.java?rev=1712007&r1=1712006&r2=1712007&view=diff
==============================================================================
---
james/project/trunk/server/data/data-api/src/main/java/org/apache/james/rrt/lib/Mappings.java
(original)
+++
james/project/trunk/server/data/data-api/src/main/java/org/apache/james/rrt/lib/Mappings.java
Mon Nov 2 14:15:54 2015
@@ -22,6 +22,8 @@ package org.apache.james.rrt.lib;
import org.apache.james.rrt.lib.Mapping.Type;
+import com.google.common.base.Optional;
+
public interface Mappings extends Iterable<Mapping> {
boolean contains(String mapping);
@@ -43,5 +45,8 @@ public interface Mappings extends Iterab
Mappings exclude(Type type);
Mapping getError();
-
+
+ Optional<Mappings> toOptional();
+
+ Mappings union(Mappings mappings);
}
\ No newline at end of file
Copied:
james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/cassandra/CassandraRRTModule.java
(from r1712006,
james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/CassandraRRTModule.java)
URL:
http://svn.apache.org/viewvc/james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/cassandra/CassandraRRTModule.java?p2=james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/cassandra/CassandraRRTModule.java&p1=james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/CassandraRRTModule.java&r1=1712006&r2=1712007&rev=1712007&view=diff
==============================================================================
---
james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/CassandraRRTModule.java
(original)
+++
james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/cassandra/CassandraRRTModule.java
Mon Nov 2 14:15:54 2015
@@ -19,6 +19,8 @@
package org.apache.james.rrt.cassandra;
+import static com.datastax.driver.core.DataType.text;
+
import java.util.Arrays;
import java.util.List;
@@ -26,6 +28,10 @@ import org.apache.james.backends.cassand
import org.apache.james.backends.cassandra.components.CassandraModule;
import org.apache.james.backends.cassandra.components.CassandraTable;
import org.apache.james.backends.cassandra.components.CassandraType;
+import
org.apache.james.rrt.cassandra.tables.CassandraRecipientRewriteTableTable;
+
+import com.datastax.driver.core.schemabuilder.SchemaBuilder;
+import com.google.common.collect.ImmutableList;
public class CassandraRRTModule implements CassandraModule {
@@ -34,7 +40,13 @@ public class CassandraRRTModule implemen
private final List<CassandraType> types;
public CassandraRRTModule() {
- tables = Arrays.asList();
+ tables = ImmutableList.of(
+ new
CassandraTable(CassandraRecipientRewriteTableTable.TABLE_NAME,
+
SchemaBuilder.createTable(CassandraRecipientRewriteTableTable.TABLE_NAME)
+ .ifNotExists()
+
.addPartitionKey(CassandraRecipientRewriteTableTable.USER, text())
+
.addClusteringColumn(CassandraRecipientRewriteTableTable.DOMAIN, text())
+
.addClusteringColumn(CassandraRecipientRewriteTableTable.MAPPING, text())));
index = Arrays.asList();
types = Arrays.asList();
}
Modified:
james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/cassandra/CassandraRecipientRewriteTable.java
URL:
http://svn.apache.org/viewvc/james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/cassandra/CassandraRecipientRewriteTable.java?rev=1712007&r1=1712006&r2=1712007&view=diff
==============================================================================
---
james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/cassandra/CassandraRecipientRewriteTable.java
(original)
+++
james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/cassandra/CassandraRecipientRewriteTable.java
Mon Nov 2 14:15:54 2015
@@ -18,35 +18,126 @@
****************************************************************/
package org.apache.james.rrt.cassandra;
-import java.util.Collection;
+import static com.datastax.driver.core.querybuilder.QueryBuilder.delete;
+import static com.datastax.driver.core.querybuilder.QueryBuilder.eq;
+import static com.datastax.driver.core.querybuilder.QueryBuilder.insertInto;
+import static com.datastax.driver.core.querybuilder.QueryBuilder.select;
+import static
org.apache.james.rrt.cassandra.tables.CassandraRecipientRewriteTableTable.DOMAIN;
+import static
org.apache.james.rrt.cassandra.tables.CassandraRecipientRewriteTableTable.MAPPING;
+import static
org.apache.james.rrt.cassandra.tables.CassandraRecipientRewriteTableTable.TABLE_NAME;
+import static
org.apache.james.rrt.cassandra.tables.CassandraRecipientRewriteTableTable.USER;
+
+import java.util.List;
import java.util.Map;
+import java.util.stream.Collectors;
+
+import javax.annotation.Resource;
+import javax.inject.Inject;
+import javax.inject.Named;
import org.apache.james.rrt.api.RecipientRewriteTableException;
import org.apache.james.rrt.lib.AbstractRecipientRewriteTable;
+import org.apache.james.rrt.lib.Mappings;
+import org.apache.james.rrt.lib.MappingsImpl;
+
+import com.datastax.driver.core.Session;
+import com.google.common.base.Optional;
public class CassandraRecipientRewriteTable extends
AbstractRecipientRewriteTable {
+ private Session session;
+
+ @Inject
+ @Resource
+ public void setSession(@Named("cassandra-session") Session session) {
+ this.session = session;
+ }
+
@Override
protected void addMappingInternal(String user, String domain, String
mapping) throws RecipientRewriteTableException {
+ session.execute(insertInto(TABLE_NAME)
+ .value(USER, getFixedUser(user))
+ .value(DOMAIN, getFixedDomain(domain))
+ .value(MAPPING, mapping));
}
@Override
protected void removeMappingInternal(String user, String domain, String
mapping) throws RecipientRewriteTableException {
+ session.execute(delete()
+ .from(TABLE_NAME)
+ .where(eq(USER, getFixedUser(user)))
+ .and(eq(DOMAIN, getFixedDomain(domain)))
+ .and(eq(MAPPING, mapping)));
}
@Override
- protected Collection<String> getUserDomainMappingsInternal(String user,
String domain) throws RecipientRewriteTableException {
- return null;
+ protected Mappings getUserDomainMappingsInternal(String user, String
domain) throws RecipientRewriteTableException {
+ return retrieveMappings(user, domain)
+ .orNull();
+ }
+
+ private Optional<Mappings> retrieveMappings(String user, String domain) {
+ List<String> mappings = session.execute(select(MAPPING)
+ .from(TABLE_NAME)
+ .where(eq(USER, getFixedUser(user)))
+ .and(eq(DOMAIN, getFixedDomain(domain))))
+ .all()
+ .stream()
+ .map(row -> row.getString(MAPPING))
+ .collect(Collectors.toList());
+
+ return MappingsImpl.fromCollection(mappings).toOptional();
}
@Override
- protected Map<String, Collection<String>> getAllMappingsInternal() throws
RecipientRewriteTableException {
- return null;
+ protected Map<String, Mappings> getAllMappingsInternal() throws
RecipientRewriteTableException {
+ Map<String, Mappings> map = session.execute(select(USER, DOMAIN,
MAPPING)
+ .from(TABLE_NAME))
+ .all()
+ .stream()
+ .map(row -> new UserMapping(row.getString(USER),
row.getString(DOMAIN), row.getString(MAPPING)))
+ .collect(Collectors.toMap(UserMapping::asKey,
+ userMapping ->
MappingsImpl.fromRawString(userMapping.getMapping()),
+ (first, second) -> first.union(second)));
+ return map.isEmpty() ? null : map;
+ }
+
+ private static class UserMapping {
+
+ private final String user;
+ private final String domain;
+ private final String mapping;
+
+ public UserMapping(String user, String domain, String mapping) {
+ this.user = user;
+ this.domain = domain;
+ this.mapping = mapping;
+ }
+
+ public String getUser() {
+ return user;
+ }
+
+ public String getDomain() {
+ return domain;
+ }
+
+ public String getMapping() {
+ return mapping;
+ }
+
+ public String asKey() {
+ return getUser() + "@" + getDomain();
+ }
}
@Override
protected String mapAddressInternal(String user, String domain) throws
RecipientRewriteTableException {
- return null;
+ Mappings mappings = retrieveMappings(user, domain)
+ .or(() -> retrieveMappings(WILDCARD, domain)
+ .or(() -> retrieveMappings(user, WILDCARD)
+ .or(MappingsImpl.empty())));
+ return !mappings.isEmpty() ? mappings.serialize() : null;
}
}
Copied:
james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/cassandra/tables/CassandraRecipientRewriteTableTable.java
(from r1712006,
james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/RewriteTablesTest.java)
URL:
http://svn.apache.org/viewvc/james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/cassandra/tables/CassandraRecipientRewriteTableTable.java?p2=james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/cassandra/tables/CassandraRecipientRewriteTableTable.java&p1=james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/RewriteTablesTest.java&r1=1712006&r2=1712007&rev=1712007&view=diff
==============================================================================
---
james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/RewriteTablesTest.java
(original)
+++
james/project/trunk/server/data/data-cassandra/src/main/java/org/apache/james/rrt/cassandra/tables/CassandraRecipientRewriteTableTable.java
Mon Nov 2 14:15:54 2015
@@ -16,20 +16,15 @@
* specific language governing permissions and limitations *
* under the License. *
****************************************************************/
-package org.apache.james.rrt.cassandra;
-import org.junit.Ignore;
-import org.junit.runner.RunWith;
+package org.apache.james.rrt.cassandra.tables;
-import cucumber.api.CucumberOptions;
-import cucumber.api.junit.Cucumber;
-@Ignore
-@RunWith(Cucumber.class)
-@CucumberOptions(
- features = { "classpath:cucumber/" },
- glue = { "org.apache.james.rrt.lib", "org.apache.james.rrt.cassandra"
},
- tags = { "~@ignore" }
- )
-public class RewriteTablesTest {
+public interface CassandraRecipientRewriteTableTable {
+
+ String TABLE_NAME = "rrt";
+
+ String USER = "user";
+ String DOMAIN = "domain";
+ String MAPPING = "mapping";
}
Modified:
james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/CassandraRecipientRewriteTableTest.java
URL:
http://svn.apache.org/viewvc/james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/CassandraRecipientRewriteTableTest.java?rev=1712007&r1=1712006&r2=1712007&view=diff
==============================================================================
---
james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/CassandraRecipientRewriteTableTest.java
(original)
+++
james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/CassandraRecipientRewriteTableTest.java
Mon Nov 2 14:15:54 2015
@@ -18,27 +18,90 @@
****************************************************************/
package org.apache.james.rrt.cassandra;
+import org.apache.commons.configuration.DefaultConfigurationBuilder;
+import org.apache.james.backends.cassandra.CassandraClusterSingleton;
import org.apache.james.rrt.api.RecipientRewriteTableException;
import org.apache.james.rrt.lib.AbstractRecipientRewriteTable;
import org.apache.james.rrt.lib.AbstractRecipientRewriteTableTest;
-import org.junit.Ignore;
+import org.slf4j.LoggerFactory;
+
+import cucumber.api.java.After;
+import cucumber.api.java.Before;
-@Ignore
public class CassandraRecipientRewriteTableTest extends
AbstractRecipientRewriteTableTest {
+ private CassandraClusterSingleton cassandra;
+
+ @Before
+ @Override
+ public void setUp() throws Exception {
+ cassandra = CassandraClusterSingleton.create(new CassandraRRTModule());
+ cassandra.ensureAllTables();
+ super.setUp();
+ }
+
+ @After
+ @Override
+ public void tearDown() throws Exception {
+ super.tearDown();
+ cassandra.clearAllTables();
+ }
+
@Override
protected AbstractRecipientRewriteTable getRecipientRewriteTable() throws
Exception {
- return null;
+ CassandraRecipientRewriteTable rrt = new
CassandraRecipientRewriteTable();
+ rrt.setSession(cassandra.getConf());
+ rrt.setLog(LoggerFactory.getLogger("MockLog"));
+ rrt.configure(new DefaultConfigurationBuilder());
+ return rrt;
}
@Override
protected boolean addMapping(String user, String domain, String mapping,
int type) throws RecipientRewriteTableException {
- return false;
+ try {
+ switch (type) {
+ case ERROR_TYPE:
+ virtualUserTable.addErrorMapping(user, domain, mapping);
+ return true;
+ case REGEX_TYPE:
+ virtualUserTable.addRegexMapping(user, domain, mapping);
+ return true;
+ case ADDRESS_TYPE:
+ virtualUserTable.addAddressMapping(user, domain, mapping);
+ return true;
+ case ALIASDOMAIN_TYPE:
+ virtualUserTable.addAliasDomainMapping(domain, mapping);
+ return true;
+ default:
+ return false;
+ }
+ } catch (RecipientRewriteTableException e) {
+ return false;
+ }
}
@Override
protected boolean removeMapping(String user, String domain, String
mapping, int type) throws RecipientRewriteTableException {
- return false;
+ try {
+ switch (type) {
+ case ERROR_TYPE:
+ virtualUserTable.removeErrorMapping(user, domain, mapping);
+ return true;
+ case REGEX_TYPE:
+ virtualUserTable.removeRegexMapping(user, domain, mapping);
+ return true;
+ case ADDRESS_TYPE:
+ virtualUserTable.removeAddressMapping(user, domain, mapping);
+ return true;
+ case ALIASDOMAIN_TYPE:
+ virtualUserTable.removeAliasDomainMapping(domain, mapping);
+ return true;
+ default:
+ return false;
+ }
+ } catch (RecipientRewriteTableException e) {
+ return false;
+ }
}
}
Modified:
james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/CassandraStepdefs.java
URL:
http://svn.apache.org/viewvc/james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/CassandraStepdefs.java?rev=1712007&r1=1712006&r2=1712007&view=diff
==============================================================================
---
james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/CassandraStepdefs.java
(original)
+++
james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/CassandraStepdefs.java
Mon Nov 2 14:15:54 2015
@@ -51,6 +51,7 @@ public class CassandraStepdefs {
private AbstractRecipientRewriteTable getRecipientRewriteTable() throws
Exception {
CassandraRecipientRewriteTable rrt = new
CassandraRecipientRewriteTable();
+ rrt.setSession(cassandra.getConf());
rrt.setLog(LoggerFactory.getLogger("MockLog"));
rrt.configure(new DefaultConfigurationBuilder());
return rrt;
Modified:
james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/RewriteTablesTest.java
URL:
http://svn.apache.org/viewvc/james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/RewriteTablesTest.java?rev=1712007&r1=1712006&r2=1712007&view=diff
==============================================================================
---
james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/RewriteTablesTest.java
(original)
+++
james/project/trunk/server/data/data-cassandra/src/test/java/org/apache/james/rrt/cassandra/RewriteTablesTest.java
Mon Nov 2 14:15:54 2015
@@ -18,18 +18,15 @@
****************************************************************/
package org.apache.james.rrt.cassandra;
-import org.junit.Ignore;
import org.junit.runner.RunWith;
import cucumber.api.CucumberOptions;
import cucumber.api.junit.Cucumber;
-@Ignore
@RunWith(Cucumber.class)
@CucumberOptions(
features = { "classpath:cucumber/" },
- glue = { "org.apache.james.rrt.lib", "org.apache.james.rrt.cassandra"
},
- tags = { "~@ignore" }
+ glue = { "org.apache.james.rrt.lib", "org.apache.james.rrt.cassandra" }
)
public class RewriteTablesTest {
}
Modified: james/project/trunk/server/data/data-library/pom.xml
URL:
http://svn.apache.org/viewvc/james/project/trunk/server/data/data-library/pom.xml?rev=1712007&r1=1712006&r2=1712007&view=diff
==============================================================================
--- james/project/trunk/server/data/data-library/pom.xml (original)
+++ james/project/trunk/server/data/data-library/pom.xml Mon Nov 2 14:15:54
2015
@@ -99,7 +99,8 @@
</dependency>
<dependency>
<groupId>org.assertj</groupId>
- <artifactId>assertj-core</artifactId>
+ <artifactId>assertj-guava</artifactId>
+ <version>1.3.1</version>
<scope>test</scope>
</dependency>
<dependency>
Modified:
james/project/trunk/server/data/data-library/src/main/java/org/apache/james/rrt/lib/MappingsImpl.java
URL:
http://svn.apache.org/viewvc/james/project/trunk/server/data/data-library/src/main/java/org/apache/james/rrt/lib/MappingsImpl.java?rev=1712007&r1=1712006&r2=1712007&view=diff
==============================================================================
---
james/project/trunk/server/data/data-library/src/main/java/org/apache/james/rrt/lib/MappingsImpl.java
(original)
+++
james/project/trunk/server/data/data-library/src/main/java/org/apache/james/rrt/lib/MappingsImpl.java
Mon Nov 2 14:15:54 2015
@@ -30,6 +30,7 @@ import org.apache.james.rrt.lib.Mapping.
import com.google.common.base.Function;
import com.google.common.base.Joiner;
import com.google.common.base.Objects;
+import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
@@ -79,7 +80,7 @@ public class MappingsImpl implements Map
builder.addAll(from);
return builder;
}
-
+
public static Builder builder() {
return new Builder();
}
@@ -199,12 +200,26 @@ public class MappingsImpl implements Map
Preconditions.checkState(!errors.isEmpty());
return Iterables.getFirst(errors, null);
}
-
+
+ @Override
+ public Optional<Mappings> toOptional() {
+ if (isEmpty()) {
+ return Optional.absent();
+ }
+ return Optional.<Mappings> of(this);
+ }
+
+ @Override
+ public Mappings union(Mappings mappings) {
+ Preconditions.checkState(mappings != null, "mappings is mandatory");
+ return from(this).addAll(mappings).build();
+ }
+
@Override
public int hashCode() {
return Objects.hashCode(mappings);
}
-
+
@Override
public boolean equals(Object obj) {
if (obj instanceof MappingsImpl) {
@@ -213,11 +228,9 @@ public class MappingsImpl implements Map
}
return false;
}
-
+
@Override
public String toString() {
return Objects.toStringHelper(getClass()).add("mappings",
mappings).toString();
}
-
-
}
\ No newline at end of file
Modified:
james/project/trunk/server/data/data-library/src/test/java/org/apache/james/rrt/lib/MappingsImplTest.java
URL:
http://svn.apache.org/viewvc/james/project/trunk/server/data/data-library/src/test/java/org/apache/james/rrt/lib/MappingsImplTest.java?rev=1712007&r1=1712006&r2=1712007&view=diff
==============================================================================
---
james/project/trunk/server/data/data-library/src/test/java/org/apache/james/rrt/lib/MappingsImplTest.java
(original)
+++
james/project/trunk/server/data/data-library/src/test/java/org/apache/james/rrt/lib/MappingsImplTest.java
Mon Nov 2 14:15:54 2015
@@ -21,9 +21,12 @@
package org.apache.james.rrt.lib;
import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.guava.api.Assertions.assertThat;
import org.junit.Test;
+import com.google.common.base.Optional;
+
public class MappingsImplTest {
@@ -217,4 +220,37 @@ public class MappingsImplTest {
MappingsImpl mappings =
MappingsImpl.builder().add(MappingImpl.regex("toto")).build();
assertThat(mappings.exclude((Mapping.Type)null));
}
+
+ @Test
+ public void toOptionalShouldBePresentWhenContainingData() {
+ MappingsImpl mappings = MappingsImpl.builder().add("toto").build();
+
+ Optional<Mappings> optional = mappings.toOptional();
+ assertThat(optional).isPresent();
+ }
+
+ @Test
+ public void toOptionalShouldBeAbsentWhenNoData() {
+ MappingsImpl mappings = MappingsImpl.empty();
+
+ Optional<Mappings> optional = mappings.toOptional();
+ assertThat(optional).isAbsent();
+ }
+
+ @Test(expected=IllegalStateException.class)
+ public void unionShouldThrowWhenMappingsNull() {
+ MappingsImpl.empty().union(null);
+ }
+
+ @Test
+ public void unionShouldReturnEmptyWhenBothEmpty() {
+ Mappings mappings = MappingsImpl.empty().union(MappingsImpl.empty());
+ assertThat(mappings).isEmpty();
+ }
+
+ @Test
+ public void unionShouldReturnMergedWhenBothContainsData() {
+ Mappings mappings =
MappingsImpl.fromRawString("toto").union(MappingsImpl.fromRawString("tata"));
+
assertThat(mappings).containsExactly(MappingImpl.address("toto"),MappingImpl.address("tata"));
+ }
}
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