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package pl.edu.mimuw.cloudatlas.agent;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;
import static org.hamcrest.CoreMatchers.hasItems;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import pl.edu.mimuw.cloudatlas.api.Api;
import pl.edu.mimuw.cloudatlas.interpreter.Main;
import pl.edu.mimuw.cloudatlas.model.AttributesMap;
import pl.edu.mimuw.cloudatlas.model.TypePrimitive;
import pl.edu.mimuw.cloudatlas.model.Value;
import pl.edu.mimuw.cloudatlas.model.ValueDouble;
import pl.edu.mimuw.cloudatlas.model.ValueInt;
import pl.edu.mimuw.cloudatlas.model.ValueList;
import pl.edu.mimuw.cloudatlas.model.ValueNull;
import pl.edu.mimuw.cloudatlas.model.ValueQuery;
import pl.edu.mimuw.cloudatlas.model.ValueString;
import pl.edu.mimuw.cloudatlas.model.ValueTime;
import pl.edu.mimuw.cloudatlas.model.ZMI;
public class ApiImplementationTests {
private ApiImplementation api;
@Before
public void initializeApi() throws Exception {
ZMI root = Main.createTestHierarchy2();
api = new ApiImplementation(root);
}
@Test
public void testGetZoneSet() throws Exception {
Set<String> set = api.getZoneSet();
assertEquals(8, set.size());
assertThat(set, hasItems("/"));
assertThat(set, hasItems("/uw"));
assertThat(set, hasItems("/uw/violet07", "/uw/khaki31", "/uw/khaki13"));
assertThat(set, hasItems("/pjwstk"));
assertThat(set, hasItems("/pjwstk/whatever01", "/pjwstk/whatever02"));
}
@Test
public void testRootGetZoneAttributeValue() throws Exception {
AttributesMap rootAttributes = api.getZoneAttributeValues("/");
assertEquals(new ValueInt(0l), rootAttributes.get("level"));
assertEquals(ValueNull.getInstance(), rootAttributes.get("name"));
}
@Test
public void testIntermediateGetZoneAttributeValue() throws Exception {
AttributesMap attributes = api.getZoneAttributeValues("/uw");
assertEquals(new ValueInt(1l), attributes.get("level"));
assertEquals(new ValueString("uw"), attributes.get("name"));
}
@Test
public void testLeafGetZoneAttributeValue() throws Exception {
AttributesMap attributes = api.getZoneAttributeValues("/pjwstk/whatever01");
assertEquals(new ValueInt(2l), attributes.get("level"));
assertEquals(new ValueString("whatever01"), attributes.get("name"));
assertEquals(new ValueString("/pjwstk/whatever01"), attributes.get("owner"));
long timestamp = ((ValueTime) attributes.get("timestamp")).getValue();
assertTrue(timestamp <= System.currentTimeMillis());
assertEquals(new ValueInt(1l), attributes.get("cardinality"));
assertEquals(new ValueTime("2012/10/18 07:03:00.000"), attributes.get("creation"));
assertEquals(new ValueDouble(0.1), attributes.get("cpu_usage"));
assertEquals(new ValueInt(7l), attributes.get("num_cores"));
assertEquals(new ValueInt(215l), attributes.get("num_processes"));
List<Value> phpModules = new ArrayList<Value>();
phpModules.add(new ValueString("rewrite"));
assertEquals(new ValueList(phpModules, TypePrimitive.STRING), attributes.get("php_modules"));
}
@Test
public void testInstallQuery() throws Exception {
String name = "&query";
String queryCode = "SELECT 1 AS one";
api.installQuery(name, queryCode);
assertAttributeInZmiEquals(name, new ValueQuery(queryCode), "/");
assertAttributeInZmiEquals(name, new ValueQuery(queryCode), "/uw");
assertAttributeInZmiEquals(name, new ValueQuery(queryCode), "/pjwstk");
}
@Test
public void testInstallQueryRuns() throws Exception {
api.installQuery("&query", "SELECT 1 AS one");
assertAttributeInZmiEquals("one", new ValueInt(1l), "/");
assertAttributeInZmiEquals("one", new ValueInt(1l), "/uw");
assertAttributeInZmiEquals("one", new ValueInt(1l), "/pjwstk");
}
@Test
public void testInstallQueryRuns2() throws Exception {
api.installQuery("&query", "SELECT sum(num_processes) AS num_processes");
assertAttributeInZmiEquals("num_processes", new ValueInt(362l), "/uw");
assertAttributeInZmiEquals("num_processes", new ValueInt(437l), "/pjwstk");
assertAttributeInZmiEquals("num_processes", new ValueInt(799l), "/");
}
@Test
public void testInstallQueryWithInvalidNameFails() throws Exception {
String name = "query";
String queryCode = "SELECT 1 AS one";
try {
api.installQuery(name, queryCode);
assertTrue("should have thrown", false);
} catch (Exception e) {
assertEquals("Invalid query identifier", e.getMessage());
}
}
public void assertAttributeInZmiEquals(String attribute, Value expected, String zmiPath) throws Exception {
AttributesMap attributes = api.getZoneAttributeValues(zmiPath);
assertEquals(expected, attributes.get(attribute));
}
@Test
public void testUninstallQuery() throws Exception {
String name = "&query";
String queryCode = "SELECT 1 AS one";
api.installQuery(name, queryCode);
api.uninstallQuery(name);
AttributesMap attributes = api.getZoneAttributeValues("/pjwstk");
assertNull(attributes.getOrNull(name));
}
@Test
public void testSetAttributeValueChange() throws Exception {
Value numProcesses = new ValueInt(42l);
api.setAttributeValue("/uw/khaki13", "num_processes", numProcesses);
AttributesMap attributes = api.getZoneAttributeValues("/uw/khaki13");
assertEquals(numProcesses, attributes.get("num_processes"));
}
@Test
public void testSetAttributeValueAdd() throws Exception {
Value numProcesses = new ValueInt(42l);
api.setAttributeValue("/uw/khaki13", "an_attribute", numProcesses);
AttributesMap attributes = api.getZoneAttributeValues("/uw/khaki13");
assertEquals(numProcesses, attributes.get("an_attribute"));
}
@Test
public void testSetAttributeValueRunsQueries() throws Exception {
api.installQuery("&query", "SELECT sum(num_processes) AS num_processes");
Value numProcesses = new ValueInt(42l);
api.setAttributeValue("/uw/khaki13", "num_processes", numProcesses);
assertAttributeInZmiEquals("num_processes", new ValueInt(297l), "/uw");
assertAttributeInZmiEquals("num_processes", new ValueInt(437l), "/pjwstk");
assertAttributeInZmiEquals("num_processes", new ValueInt(734l), "/");
}
}
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