@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());
}