writer.write("1.2.3.4 HOST1\n");
            writer.write("192.168.1.100 HOST2\n");
            writer.write("255.255.255.255 HOST3\n");
            writer.write("10.0.0.1 HOST4\n");
        }

        when(mockConfig.getLmHostsFileName()).thenReturn(lmhostsFile.getAbsolutePath());

        // Use getByName to trigger populate
        assertNotNull(lmhosts.getByName("HOST1", mockContext));

                + "{\"_source\":{\"type\":\"heartbeat\",\"instanceId\":\"node2@host2\",\"hostname\":\"host2\",\"name\":\"node2\",\"createdTime\":2000}}"
                + "]}}";
        final CoordinatorHelper helper = createCapturingHelper("node1@host1", null, null, createMockResponse(200, searchResponse));

        helper.duplicateHostList = new ArrayList<>();

        DuplicateHost host1 = new DuplicateHost();
        host1.setRegularName("www.example.com");
        host1.setDuplicateHostName("example.com");
        helper.duplicateHostList.add(host1);

        DuplicateHost host2 = new DuplicateHost();
        host2.setRegularName("secure.example.com");
        host2.setDuplicateHostName("www.example.com");

```
minio server http://host{1...2}/export{1...8}
```

Expected expansion

```
> http://host1/export1
> http://host2/export1
> http://host1/export2
> http://host2/export2
> http://host1/export3
> http://host2/export3
> http://host1/export4
> http://host2/export4
> http://host1/export5
> http://host2/export5
> http://host1/export6
> http://host2/export6
> http://host1/export7

        testData.add(createRelatedQuery("term1", new String[] { "query2" }, "host2"));
        testData.add(createRelatedQuery("term2", new String[] { "query3" }, ""));
        mockBhv.setTestData(testData);

        int count = relatedQueryHelper.load();
        assertEquals(3, count); // Three virtual host keys: "host1", "host2", ""
    }

    @Test

        testData.add(createRelatedContent("term1", "Content for host2", "host2"));
        testData.add(createRelatedContent("term2", "Content for default", ""));
        mockBhv.setTestData(testData);

        int count = relatedContentHelper.load();
        assertEquals(3, count); // Three virtual host keys: "host1", "host2", ""
    }

    @Test

        assertNotNull(result);
        assertFalse(result.isEmpty());
        assertTrue(result.hasMessageOf("testProperty"));
    }

    @Test
    public void test_addErrorsOperationAlreadyRunning_withDifferentHosts() {
        final FessMessages messages1 = new FessMessages();
        messages1.addErrorsOperationAlreadyRunning("prop", "host1");
        assertFalse(messages1.isEmpty());

func isHostIP(ipAddress string) bool {
	host, _, err := net.SplitHostPort(ipAddress)
	if err != nil {
		host = ipAddress
	}
	// Strip off IPv6 zone information.
	if i := strings.Index(host, "%"); i > -1 {
		host = host[:i]
	}
	return net.ParseIP(host) != nil
}

// extractHostPort - extracts host/port from many address formats

        URL url1 = new URL(null, "smb://host/share", handler);
        URL url2 = new URL(null, "smb://host:1234/share/file.txt", handler);
        URL url3 = new URL(null, "smb://user:pass@host/share", handler);

        // Assert - Verify URL components
        assertEquals("smb", url1.getProtocol());
        assertEquals("host", url1.getHost());
        assertEquals(445, url1.getPort());

            }
        });

        List<Path> fileList = systemHelper.refreshDesignJspFiles();
        assertEquals(0, fileList.size());

        virtualHostList.add(new Tuple3<>("abc.example.com", "8080", "host1"));
        fileList = systemHelper.refreshDesignJspFiles();
        assertEquals(0, fileList.size());

        systemHelper.addDesignJspFileName("xxx", "yyy.jsp");