Examples with Arrays.stream java.util.Arrays.stream used on opensource projects

Example 1 with Arrays.stream

use of java.util.Arrays.stream in project ignite by apache.

the class GridCommandHandlerClusterByClassTest method testCacheDistribution.

/**
 */
@Test
public void testCacheDistribution() {
    Ignite ignite = crd;
    createCacheAndPreload(ignite, 100);
    injectTestSystemOut();
    // Run distribution for all node and all cache
    assertEquals(EXIT_CODE_OK, execute("--cache", "distribution", "null"));
    String out = testOut.toString();
    // Result include info by cache "default"
    assertContains(log, out, "[next group: id=1544803905, name=default]");
    // Result include info by cache "ignite-sys-cache"
    assertContains(log, out, "[next group: id=-2100569601, name=ignite-sys-cache]");
    // Run distribution for all node and all cache and include additional user attribute
    assertEquals(EXIT_CODE_OK, execute("--cache", "distribution", "null", "--user-attributes", "ZONE,CELL,DC"));
    out += "\n" + testOut.toString();
    List<String> outLines = Arrays.stream(out.split("\n")).map(String::trim).collect(toList());
    int firstIndex = outLines.indexOf("[next group: id=1544803905, name=default]");
    int lastIndex = outLines.lastIndexOf("[next group: id=1544803905, name=default]");
    String dataLine = outLines.get(firstIndex + 1);
    String userArrtDataLine = outLines.get(lastIndex + 1);
    long commaNum = dataLine.chars().filter(i -> i == ',').count();
    long userArrtCommaNum = userArrtDataLine.chars().filter(i -> i == ',').count();
    // Check that number of columns increased by 3
    assertEquals(3, userArrtCommaNum - commaNum);
}