@Test
public void testLoadUpdateAndRemove() throws Exception {
// Create an application
TestApplication app = new TestApplication();
app.setDirectory(this.folder.newFolder());
// Create rule files
File autonomicRulesDir = new File(app.getDirectory(), Constants.PROJECT_DIR_RULES_AUTONOMIC);
Assert.assertTrue(autonomicRulesDir.mkdir());
File f = new File(autonomicRulesDir, "rule1.invalid-ext");
Assert.assertTrue(f.createNewFile());
f = new File(autonomicRulesDir, "rule2" + Constants.FILE_EXT_RULE);
Utils.writeStringInto("rule \"test1\"\nwhen event1 then cmd1 end", f);
f = new File(autonomicRulesDir, "rule3" + Constants.FILE_EXT_RULE);
Utils.writeStringInto("rule \"test2\"\nwhen event2 then invalid syntax", f);
// Load the rules
Assert.assertEquals(0, this.autonomicMngr.appNameToContext.size());
this.autonomicMngr.loadApplicationRules(app);
Assert.assertEquals(1, this.autonomicMngr.appNameToContext.size());
AutonomicApplicationContext ctx = this.autonomicMngr.appNameToContext.get(app.getName());
Assert.assertNotNull(ctx);
Assert.assertEquals(1, ctx.ruleNameToRule.size());
Assert.assertNotNull(ctx.ruleNameToRule.get("test1"));
// Update the invalid rule
Utils.writeStringInto("rule \"test2\"\nwhen event2 then cmd2 end", f);
this.autonomicMngr.refreshApplicationRules(app, "rule3");
Assert.assertEquals(1, this.autonomicMngr.appNameToContext.size());
Assert.assertEquals(2, ctx.ruleNameToRule.size());
Assert.assertNotNull(ctx.ruleNameToRule.get("test1"));
Assert.assertNotNull(ctx.ruleNameToRule.get("test2"));
// Reload the first one
Rule oldRule1 = ctx.ruleNameToRule.remove("test1");
this.autonomicMngr.refreshApplicationRules(app, "rule2" + Constants.FILE_EXT_RULE);
Assert.assertEquals(1, this.autonomicMngr.appNameToContext.size());
Assert.assertEquals(2, ctx.ruleNameToRule.size());
Assert.assertNotNull(ctx.ruleNameToRule.get("test1"));
Assert.assertNotNull(ctx.ruleNameToRule.get("test2"));
Assert.assertNotSame(oldRule1, ctx.ruleNameToRule.get("test1"));
// Unload the rules
this.autonomicMngr.unloadApplicationRules(app);
Assert.assertEquals(0, this.autonomicMngr.appNameToContext.size());
}
@Test
public void testLoadRules_noAutonomicDir() throws Exception {
// Create an application
TestApplication app = new TestApplication();
app.setDirectory(this.folder.newFolder());
// Load the rules
Assert.assertEquals(0, this.autonomicMngr.appNameToContext.size());
this.autonomicMngr.loadApplicationRules(app);
Assert.assertEquals(1, this.autonomicMngr.appNameToContext.size());
AutonomicApplicationContext ctx = this.autonomicMngr.appNameToContext.get(app.getName());
Assert.assertNotNull(ctx);
Assert.assertEquals(0, ctx.ruleNameToRule.size());
}
@Test
public void testRefreshRules_unknownRule() throws Exception {
// Create an application
TestApplication app = new TestApplication();
app.setDirectory(this.folder.newFolder());
// Create the autonomic directory
File autonomicRulesDir = new File(app.getDirectory(), Constants.PROJECT_DIR_RULES_AUTONOMIC);
Assert.assertTrue(autonomicRulesDir.mkdir());
// Load the rules
Assert.assertEquals(0, this.autonomicMngr.appNameToContext.size());
this.autonomicMngr.loadApplicationRules(app);
Assert.assertEquals(1, this.autonomicMngr.appNameToContext.size());
AutonomicApplicationContext ctx = this.autonomicMngr.appNameToContext.get(app.getName());
Assert.assertNotNull(ctx);
Assert.assertEquals(0, ctx.ruleNameToRule.size());
// Try to refresh an invalid rule
this.autonomicMngr.refreshApplicationRules(app, "unknown");
Assert.assertEquals(0, ctx.ruleNameToRule.size());
}
@Test
public void testFindUsageStatistics() throws Exception {
// Setup
TestApplication app = new TestApplication();
Instance newRootInstance = new Instance("newRoot").component(app.getMySqlVm().getComponent());
app.getRootInstances().add(newRootInstance);
String t1 = this.mngr.createTarget("prop: ok\nid: t1\nhandler: h");
String t2 = this.mngr.createTarget("prop: ok\nid: t2\nhandler: h");
String t3 = this.mngr.createTarget("prop: ok\nid: t3\nhandler: h");
this.mngr.associateTargetWith(t1, app, InstanceHelpers.computeInstancePath(app.getMySqlVm()));
this.mngr.associateTargetWith(t1, app, InstanceHelpers.computeInstancePath(newRootInstance));
this.mngr.associateTargetWith(t2, app, null);
// Checks
List<TargetUsageItem> items = this.mngr.findUsageStatistics(t1);
Assert.assertEquals(1, items.size());
TargetUsageItem item = items.get(0);
Assert.assertEquals(app.getName(), item.getName());
Assert.assertNull(item.getQualifier());
Assert.assertFalse(item.isUsing());
Assert.assertTrue(item.isReferencing());
items = this.mngr.findUsageStatistics(t2);
Assert.assertEquals(1, items.size());
item = items.get(0);
Assert.assertEquals(app.getName(), item.getName());
Assert.assertNull(item.getQualifier());
Assert.assertFalse(item.isUsing());
Assert.assertTrue(item.isReferencing());
items = this.mngr.findUsageStatistics(t3);
Assert.assertEquals(0, items.size());
// Mark one as used
this.mngr.lockAndGetTarget(app, app.getTomcatVm());
items = this.mngr.findUsageStatistics(t1);
Assert.assertEquals(1, items.size());
item = items.get(0);
Assert.assertEquals(app.getName(), item.getName());
Assert.assertNull(item.getQualifier());
Assert.assertFalse(item.isUsing());
Assert.assertTrue(item.isReferencing());
items = this.mngr.findUsageStatistics(t3);
Assert.assertEquals(0, items.size());
items = this.mngr.findUsageStatistics(t2);
Assert.assertEquals(1, items.size());
item = items.get(0);
Assert.assertEquals(app.getName(), item.getName());
Assert.assertNull(item.getQualifier());
Assert.assertTrue(item.isReferencing());
// The change is here!
Assert.assertTrue(item.isUsing());
// Release it
this.mngr.unlockTarget(app, app.getTomcatVm());
items = this.mngr.findUsageStatistics(t1);
Assert.assertEquals(1, items.size());
item = items.get(0);
Assert.assertEquals(app.getName(), item.getName());
Assert.assertNull(item.getQualifier());
Assert.assertFalse(item.isUsing());
Assert.assertTrue(item.isReferencing());
items = this.mngr.findUsageStatistics(t2);
Assert.assertEquals(1, items.size());
item = items.get(0);
Assert.assertEquals(app.getName(), item.getName());
Assert.assertNull(item.getQualifier());
Assert.assertFalse(item.isUsing());
Assert.assertTrue(item.isReferencing());
items = this.mngr.findUsageStatistics(t3);
Assert.assertEquals(0, items.size());
// Remove the association for the named instance
this.mngr.dissociateTargetFrom(app, InstanceHelpers.computeInstancePath(app.getMySqlVm()));
items = this.mngr.findUsageStatistics(t1);
Assert.assertEquals(1, items.size());
this.mngr.dissociateTargetFrom(app, InstanceHelpers.computeInstancePath(newRootInstance));
items = this.mngr.findUsageStatistics(t1);
Assert.assertEquals(0, items.size());
items = this.mngr.findUsageStatistics(t2);
Assert.assertEquals(1, items.size());
item = items.get(0);
Assert.assertEquals(app.getName(), item.getName());
Assert.assertNull(item.getQualifier());
Assert.assertFalse(item.isUsing());
Assert.assertTrue(item.isReferencing());
items = this.mngr.findUsageStatistics(t3);
Assert.assertEquals(0, items.size());
}