Examples with GroupBy org.springframework.data.mongodb.core.mapreduce.GroupBy used on opensource projects

Example 1 with GroupBy

use of org.springframework.data.mongodb.core.mapreduce.GroupBy in project spring-data-mongodb by spring-projects.

the class GroupByTests method singleKeyCreation.

@Test
public void singleKeyCreation() {
    Document gc = new GroupBy("a").getGroupByObject();
    assertThat(gc, is(Document.parse("{ \"key\" : { \"a\" : 1} , \"$reduce\" :  null  , \"initial\" :  null }")));
}