@Test
public void testRuleRender() {
final Rule rule = new Rule("myrule", new Integer(42), 1);
rule.setComment("rule comments");
final Condition cond = new Condition();
cond.setComment("cond comment");
cond.setSnippet("cond snippet");
rule.addCondition(cond);
final Consequence cons = new Consequence();
cons.setComment("cons comment");
cons.setSnippet("cons snippet;");
rule.addConsequence(cons);
rule.addConsequence(cons);
final DRLOutput out = new DRLOutput();
rule.renderDRL(out);
final String drl = out.getDRL();
assertNotNull(drl);
assertTrue(drl.indexOf("cond snippet") != -1);
assertTrue(drl.indexOf("cons snippet") != -1);
assertTrue(drl.indexOf("salience 42") != -1);
assertTrue(drl.indexOf("salience 42") < drl.indexOf("when"));
assertTrue(drl.indexOf("cond snippet") < drl.indexOf("then"));
assertTrue(drl.indexOf("cons snippet;") > drl.indexOf("then"));
assertTrue(drl.indexOf("rule") != -1);
assertTrue(drl.indexOf("end") > drl.indexOf("rule "));
assertTrue(drl.indexOf("//rule comments") > -1);
}
@Test
public void testGetStylesheet() {
Rule instance = new Rule(Collections.EMPTY_LIST, Collections.EMPTY_LIST);
Stylesheet expResult = new Stylesheet();
expResult.getRules().add(instance);
Stylesheet result = instance.getStylesheet();
assertEquals(expResult, result);
}
private static Style createStyle(String stylesheetText) {
Stylesheet stylesheet = CSSParser.getInstance().parse(stylesheetText);
Rule rule = stylesheet.getRules().get(0);
Selector sel = rule.getUnobservedSelectorList().get(0);
Declaration decl = rule.getUnobservedDeclarationList().get(0);
return new Style(sel, decl);
}
@Test
public void testGetSelectors() {
List<Selector> expResult = new ArrayList<Selector>();
expResult.add(Selector.createSelector("One.two#three"));
expResult.add(Selector.createSelector("Four.five#six"));
Rule instance = new Rule(expResult, Collections.EMPTY_LIST);
List result = instance.getSelectors();
assertEquals(expResult, result);
}
@Ignore
@Test
public void testWriteBinary() throws Exception {
System.out.println("writeBinary");
DataOutputStream os = null;
StringStore stringStore = null;
Rule instance = null;
instance.writeBinary(os, stringStore);
fail("The test case is a prototype.");
}
@Ignore
@Test
public void testToString() {
System.out.println("toString");
Rule instance = null;
String expResult = "";
String result = instance.toString();
assertEquals(expResult, result);
fail("The test case is a prototype.");
}
@Test
public void testGetOriginAfterRemovingRuleFromStylesheet() {
Rule instance = new Rule(Collections.EMPTY_LIST, Collections.EMPTY_LIST);
Stylesheet stylesheet = new Stylesheet();
stylesheet.getRules().add(instance);
stylesheet.setOrigin(StyleOrigin.INLINE);
stylesheet.getRules().remove(instance);
StyleOrigin result = instance.getOrigin();
assertNull(result);
}
@Test
public void testGetOriginAfterSettingOriginBeforeAddingRuleToStylesheet() {
Rule instance = new Rule(Collections.EMPTY_LIST, Collections.EMPTY_LIST);
Stylesheet stylesheet = new Stylesheet();
stylesheet.setOrigin(StyleOrigin.INLINE);
stylesheet.getRules().add(instance);
StyleOrigin expResult = StyleOrigin.INLINE;
StyleOrigin result = instance.getOrigin();
assertEquals(expResult, result);
}
@Ignore
@Test
public void testApplies() {
System.out.println("applies");
Node node = null;
Rule instance = null;
long expResult = 0l;
long result = instance.applies(node, null);
assertEquals(expResult, result);
fail("The test case is a prototype.");
}
@Test
public void testGetDeclarations() {
List<Declaration> expResult = new ArrayList<Declaration>();
expResult.add(new Declaration("one", new ParsedValueImpl<String, String>("one", null), false));
expResult.add(new Declaration("two", new ParsedValueImpl<String, String>("two", null), false));
expResult.add(
new Declaration("three", new ParsedValueImpl<String, String>("three", null), false));
Rule instance = new Rule(Collections.EMPTY_LIST, expResult);
List result = instance.getDeclarations();
assertEquals(expResult, result);
}
@Test
public void testMetadata() throws Exception {
Rule rule = new Rule("la", new Integer(42), 2);
rule.addMetadata("Author( A. U. Thor )");
rule.addMetadata("Revision( 42 )");
DRLOutput out = new DRLOutput();
rule.renderDRL(out);
String result = out.toString();
assertTrue(result.contains("@Author( A. U. Thor )"));
assertTrue(result.contains("@Revision( 42 )"));
}
/**
* This checks that if the rule has "nil" salience, then no salience value should be put in the
* rule definition. This allows default salience to work as advertised.
*/
@Test
public void testNilSalience() {
Rule rule = new Rule("MyRule", null, 1);
DRLOutput out = new DRLOutput();
rule.renderDRL(out);
String xml = out.toString();
int idx = xml.indexOf("salience");
assertEquals(-1, idx);
rule = new Rule("MyRule", new Integer(42), 1);
out = new DRLOutput();
rule.renderDRL(out);
xml = out.toString();
idx = xml.indexOf("salience");
assertTrue(idx > -1);
}
@Ignore
@Test
public void testReadBinary() throws Exception {
System.out.println("readBinary");
DataInputStream is = null;
String[] strings = null;
Rule expResult = null;
Rule result = Rule.readBinary(Stylesheet.BINARY_CSS_VERSION, is, strings);
assertEquals(expResult, result);
fail("The test case is a prototype.");
}
@Test
public void testAttributes() throws Exception {
Rule rule = new Rule("la", new Integer(42), 2);
rule.setActivationGroup("foo");
rule.setNoLoop(true);
rule.setRuleFlowGroup("ruleflowgroup");
rule.setDuration(42L);
DRLOutput out = new DRLOutput();
rule.renderDRL(out);
String result = out.toString();
assertTrue(result.indexOf("ruleflow-group \"ruleflowgroup\"") > -1);
assertTrue(result.indexOf("no-loop true") > -1);
assertTrue(result.indexOf("activation-group \"foo\"") > -1);
assertTrue(result.indexOf("duration 42") > -1);
}
/** E ::= E '*' E | E '+' E | 'a' */
public class Test19 {
static Nonterminal E = Nonterminal.withName("E");
static org.iguana.grammar.symbol.Character a = Character.from('a');
static Character plus = Character.from('+');
static Character star = Character.from('*');
static Rule r1 = Rule.withHead(E).addSymbols(E, star, E).build();
static Rule r2 = Rule.withHead(E).addSymbols(E, plus, E).build();
static Rule r3 = Rule.withHead(E).addSymbols(a).build();
public static Grammar grammar = Grammar.builder().addRules(r1, r2, r3).build();
private static Nonterminal startSymbol = E;
private static Input input1 = Input.fromString("a+a");
private static Input input2 = Input.fromString("a+a*a");
private static Input input3 = Input.fromString("a+a*a+a*a");
@Test
public void testParser1() {
GrammarGraph graph = GrammarGraph.from(grammar, input1);
ParseResult result = Iguana.parse(input1, graph, startSymbol);
assertTrue(result.isParseSuccess());
assertEquals(getParseResult1(graph), result);
assertEquals(getTree1(), result.asParseSuccess().getTree());
}
@Test
public void testParser2() {
GrammarGraph graph = GrammarGraph.from(grammar, input2);
ParseResult result = Iguana.parse(input2, graph, startSymbol);
assertTrue(result.isParseSuccess());
assertEquals(getParseResult2(graph), result);
assertEquals(getTree2(), result.asParseSuccess().getTree());
}
@Test
public void testParser3() {
GrammarGraph graph = GrammarGraph.from(grammar, input3, Configuration.DEFAULT);
ParseResult result = Iguana.parse(input3, graph, startSymbol);
assertTrue(result.isParseSuccess());
assertEquals(getParseResult3(graph), result);
assertEquals(getTree3(), result.asParseSuccess().getTree());
}
private ParseSuccess getParseResult1(GrammarGraph registry) {
ParseStatistics statistics =
ParseStatistics.builder()
.setDescriptorsCount(8)
.setGSSNodesCount(2)
.setGSSEdgesCount(5)
.setNonterminalNodesCount(3)
.setTerminalNodesCount(3)
.setIntermediateNodesCount(2)
.setPackedNodesCount(5)
.setAmbiguousNodesCount(0)
.build();
return new ParseSuccess(expectedSPPF1(registry), statistics, input1);
}
private NonterminalNode expectedSPPF1(GrammarGraph registry) {
TerminalNode node0 = createTerminalNode(registry.getSlot("a"), 0, 1, input1);
NonterminalNode node1 =
createNonterminalNode(registry.getSlot("E"), registry.getSlot("E ::= a ."), node0, input1);
TerminalNode node2 = createTerminalNode(registry.getSlot("+"), 1, 2, input1);
IntermediateNode node3 =
createIntermediateNode(registry.getSlot("E ::= E + . E"), node1, node2);
TerminalNode node4 = createTerminalNode(registry.getSlot("a"), 2, 3, input1);
NonterminalNode node5 =
createNonterminalNode(registry.getSlot("E"), registry.getSlot("E ::= a ."), node4, input1);
IntermediateNode node6 =
createIntermediateNode(registry.getSlot("E ::= E + E ."), node3, node5);
NonterminalNode node7 =
createNonterminalNode(
registry.getSlot("E"), registry.getSlot("E ::= E + E ."), node6, input1);
return node7;
}
private Tree getTree1() {
Tree t0 = createTerminal(0, 1, input1);
Tree t1 = createRule(r3, list(t0), input1);
Tree t2 = createTerminal(1, 2, input1);
Tree t3 = createTerminal(2, 3, input1);
Tree t4 = createRule(r3, list(t3), input1);
Tree t5 = createRule(r2, list(t1, t2, t4), input1);
return t5;
}
private ParseSuccess getParseResult2(GrammarGraph registry) {
ParseStatistics statistics =
ParseStatistics.builder()
.setDescriptorsCount(16)
.setGSSNodesCount(3)
.setGSSEdgesCount(9)
.setNonterminalNodesCount(6)
.setTerminalNodesCount(5)
.setIntermediateNodesCount(7)
.setPackedNodesCount(14)
.setAmbiguousNodesCount(1)
.build();
return new ParseSuccess(expectedSPPF2(registry), statistics, input1);
}
private NonterminalNode expectedSPPF2(GrammarGraph registry) {
TerminalNode node0 = createTerminalNode(registry.getSlot("a"), 0, 1, input2);
NonterminalNode node1 =
createNonterminalNode(registry.getSlot("E"), registry.getSlot("E ::= a ."), node0, input2);
TerminalNode node2 = createTerminalNode(registry.getSlot("+"), 1, 2, input2);
IntermediateNode node3 =
createIntermediateNode(registry.getSlot("E ::= E + . E"), node1, node2);
TerminalNode node4 = createTerminalNode(registry.getSlot("a"), 2, 3, input2);
NonterminalNode node5 =
createNonterminalNode(registry.getSlot("E"), registry.getSlot("E ::= a ."), node4, input2);
TerminalNode node6 = createTerminalNode(registry.getSlot("*"), 3, 4, input2);
IntermediateNode node7 =
createIntermediateNode(registry.getSlot("E ::= E * . E"), node5, node6);
TerminalNode node8 = createTerminalNode(registry.getSlot("a"), 4, 5, input2);
NonterminalNode node9 =
createNonterminalNode(registry.getSlot("E"), registry.getSlot("E ::= a ."), node8, input2);
IntermediateNode node10 =
createIntermediateNode(registry.getSlot("E ::= E * E ."), node7, node9);
NonterminalNode node11 =
createNonterminalNode(
registry.getSlot("E"), registry.getSlot("E ::= E * E ."), node10, input2);
IntermediateNode node12 =
createIntermediateNode(registry.getSlot("E ::= E + E ."), node3, node11);
IntermediateNode node13 =
createIntermediateNode(registry.getSlot("E ::= E + E ."), node3, node5);
NonterminalNode node14 =
createNonterminalNode(
registry.getSlot("E"), registry.getSlot("E ::= E + E ."), node13, input2);
IntermediateNode node15 =
createIntermediateNode(registry.getSlot("E ::= E * . E"), node14, node6);
IntermediateNode node16 =
createIntermediateNode(registry.getSlot("E ::= E * E ."), node15, node9);
NonterminalNode node17 =
createNonterminalNode(
registry.getSlot("E"), registry.getSlot("E ::= E + E ."), node12, input2);
node17.addPackedNode(registry.getSlot("E ::= E * E ."), node16);
return node17;
}
private Tree getTree2() {
Tree t0 = createTerminal(0, 1, input2);
Tree t1 = createRule(r3, list(t0), input2);
Tree t2 = createTerminal(1, 2, input2);
Tree t3 = createTerminal(2, 3, input2);
Tree t4 = createRule(r3, list(t3), input2);
Tree t5 = createRule(r2, list(t1, t2, t4), input2);
Tree t6 = createTerminal(3, 4, input2);
Tree t7 = createTerminal(4, 5, input2);
Tree t8 = createRule(r3, list(t7), input2);
Tree t9 = createRule(r1, list(t4, t6, t8), input2);
Tree t10 = createAmbiguity(set(createBranch(list(t5, t6, t8)), createBranch(list(t1, t2, t9))));
return t10;
}
private ParseSuccess getParseResult3(GrammarGraph registry) {
ParseStatistics statistics =
ParseStatistics.builder()
.setDescriptorsCount(41)
.setGSSNodesCount(5)
.setGSSEdgesCount(20)
.setNonterminalNodesCount(15)
.setTerminalNodesCount(9)
.setIntermediateNodesCount(26)
.setPackedNodesCount(51)
.setAmbiguousNodesCount(10)
.build();
return new ParseSuccess(expectedSPPF3(registry), statistics, input1);
}
private NonterminalNode expectedSPPF3(GrammarGraph registry) {
TerminalNode node0 = createTerminalNode(registry.getSlot("a"), 0, 1, input3);
NonterminalNode node1 =
createNonterminalNode(registry.getSlot("E"), registry.getSlot("E ::= a ."), node0, input3);
TerminalNode node2 = createTerminalNode(registry.getSlot("+"), 1, 2, input3);
IntermediateNode node3 =
createIntermediateNode(registry.getSlot("E ::= E + . E"), node1, node2);
TerminalNode node4 = createTerminalNode(registry.getSlot("a"), 2, 3, input3);
NonterminalNode node5 =
createNonterminalNode(registry.getSlot("E"), registry.getSlot("E ::= a ."), node4, input3);
TerminalNode node6 = createTerminalNode(registry.getSlot("*"), 3, 4, input3);
IntermediateNode node7 =
createIntermediateNode(registry.getSlot("E ::= E * . E"), node5, node6);
TerminalNode node8 = createTerminalNode(registry.getSlot("a"), 4, 5, input3);
NonterminalNode node9 =
createNonterminalNode(registry.getSlot("E"), registry.getSlot("E ::= a ."), node8, input3);
IntermediateNode node10 =
createIntermediateNode(registry.getSlot("E ::= E * E ."), node7, node9);
NonterminalNode node11 =
createNonterminalNode(
registry.getSlot("E"), registry.getSlot("E ::= E * E ."), node10, input3);
TerminalNode node12 = createTerminalNode(registry.getSlot("+"), 5, 6, input3);
IntermediateNode node13 =
createIntermediateNode(registry.getSlot("E ::= E + . E"), node11, node12);
TerminalNode node14 = createTerminalNode(registry.getSlot("a"), 6, 7, input3);
NonterminalNode node15 =
createNonterminalNode(registry.getSlot("E"), registry.getSlot("E ::= a ."), node14, input3);
IntermediateNode node16 =
createIntermediateNode(registry.getSlot("E ::= E + E ."), node13, node15);
IntermediateNode node17 =
createIntermediateNode(registry.getSlot("E ::= E + . E"), node9, node12);
IntermediateNode node18 =
createIntermediateNode(registry.getSlot("E ::= E + E ."), node17, node15);
NonterminalNode node19 =
createNonterminalNode(
registry.getSlot("E"), registry.getSlot("E ::= E + E ."), node18, input3);
IntermediateNode node20 =
createIntermediateNode(registry.getSlot("E ::= E * E ."), node7, node19);
NonterminalNode node21 =
createNonterminalNode(
registry.getSlot("E"), registry.getSlot("E ::= E + E ."), node16, input3);
node21.addPackedNode(registry.getSlot("E ::= E * E ."), node20);
TerminalNode node22 = createTerminalNode(registry.getSlot("*"), 7, 8, input3);
IntermediateNode node23 =
createIntermediateNode(registry.getSlot("E ::= E * . E"), node21, node22);
TerminalNode node24 = createTerminalNode(registry.getSlot("a"), 8, 9, input3);
NonterminalNode node25 =
createNonterminalNode(registry.getSlot("E"), registry.getSlot("E ::= a ."), node24, input3);
IntermediateNode node26 =
createIntermediateNode(registry.getSlot("E ::= E * . E"), node15, node22);
IntermediateNode node27 =
createIntermediateNode(registry.getSlot("E ::= E * E ."), node26, node25);
NonterminalNode node28 =
createNonterminalNode(
registry.getSlot("E"), registry.getSlot("E ::= E * E ."), node27, input3);
IntermediateNode node29 =
createIntermediateNode(registry.getSlot("E ::= E + E ."), node17, node28);
IntermediateNode node30 =
createIntermediateNode(registry.getSlot("E ::= E * . E"), node19, node22);
IntermediateNode node31 =
createIntermediateNode(registry.getSlot("E ::= E * E ."), node30, node25);
NonterminalNode node32 =
createNonterminalNode(
registry.getSlot("E"), registry.getSlot("E ::= E + E ."), node29, input3);
node32.addPackedNode(registry.getSlot("E ::= E * E ."), node31);
IntermediateNode node33 =
createIntermediateNode(registry.getSlot("E ::= E * E ."), node23, node25);
node33.addPackedNode(registry.getSlot("E ::= E * E ."), node7, node32);
IntermediateNode node34 =
createIntermediateNode(registry.getSlot("E ::= E + E ."), node13, node28);
NonterminalNode node35 =
createNonterminalNode(
registry.getSlot("E"), registry.getSlot("E ::= E * E ."), node33, input3);
node35.addPackedNode(registry.getSlot("E ::= E + E ."), node34);
IntermediateNode node36 =
createIntermediateNode(registry.getSlot("E ::= E + E ."), node3, node11);
IntermediateNode node37 =
createIntermediateNode(registry.getSlot("E ::= E + E ."), node3, node5);
NonterminalNode node38 =
createNonterminalNode(
registry.getSlot("E"), registry.getSlot("E ::= E + E ."), node37, input3);
IntermediateNode node39 =
createIntermediateNode(registry.getSlot("E ::= E * . E"), node38, node6);
IntermediateNode node40 =
createIntermediateNode(registry.getSlot("E ::= E * E ."), node39, node9);
NonterminalNode node41 =
createNonterminalNode(
registry.getSlot("E"), registry.getSlot("E ::= E + E ."), node36, input3);
node41.addPackedNode(registry.getSlot("E ::= E * E ."), node40);
IntermediateNode node42 =
createIntermediateNode(registry.getSlot("E ::= E + . E"), node41, node12);
IntermediateNode node43 =
createIntermediateNode(registry.getSlot("E ::= E + E ."), node3, node35);
node43.addPackedNode(registry.getSlot("E ::= E + E ."), node42, node28);
IntermediateNode node44 =
createIntermediateNode(registry.getSlot("E ::= E + E ."), node3, node21);
node44.addPackedNode(registry.getSlot("E ::= E + E ."), node42, node15);
IntermediateNode node45 =
createIntermediateNode(registry.getSlot("E ::= E * E ."), node39, node19);
NonterminalNode node46 =
createNonterminalNode(
registry.getSlot("E"), registry.getSlot("E ::= E + E ."), node44, input3);
node46.addPackedNode(registry.getSlot("E ::= E * E ."), node45);
IntermediateNode node47 =
createIntermediateNode(registry.getSlot("E ::= E * . E"), node46, node22);
IntermediateNode node48 =
createIntermediateNode(registry.getSlot("E ::= E * E ."), node47, node25);
node48.addPackedNode(registry.getSlot("E ::= E * E ."), node39, node32);
NonterminalNode node49 =
createNonterminalNode(
registry.getSlot("E"), registry.getSlot("E ::= E + E ."), node43, input3);
node49.addPackedNode(registry.getSlot("E ::= E * E ."), node48);
return node49;
}
private Tree getTree3() {
Tree t0 = createTerminal(0, 1, input3);
Tree t1 = createRule(r3, list(t0), input3);
Tree t2 = createTerminal(1, 2, input3);
Tree t3 = createTerminal(2, 3, input3);
Tree t4 = createRule(r3, list(t3), input3);
Tree t5 = createRule(r2, list(t1, t2, t4), input3);
Tree t6 = createTerminal(3, 4, input3);
Tree t7 = createTerminal(4, 5, input3);
Tree t8 = createRule(r3, list(t7), input3);
Tree t9 = createTerminal(5, 6, input3);
Tree t10 = createTerminal(6, 7, input3);
Tree t11 = createRule(r3, list(t10), input3);
Tree t12 = createRule(r2, list(t8, t9, t11), input3);
Tree t13 = createTerminal(7, 8, input3);
Tree t14 = createTerminal(8, 9, input3);
Tree t15 = createRule(r3, list(t14), input3);
Tree t16 = createRule(r1, list(t11, t13, t15), input3);
Tree t17 =
createAmbiguity(set(createBranch(list(t12, t13, t15)), createBranch(list(t8, t9, t16))));
Tree t18 = createRule(r1, list(t4, t6, t8), input3);
Tree t19 =
createAmbiguity(set(createBranch(list(t4, t6, t12)), createBranch(list(t18, t9, t11))));
Tree t20 =
createAmbiguity(set(createBranch(list(t1, t2, t18)), createBranch(list(t5, t6, t8))));
Tree t21 =
createAmbiguity(set(createBranch(list(t20, t9, t11)), createBranch(list(t1, t2, t19))));
Tree t22 = createAmbiguity(set(createBranch(list(t21)), createBranch(list(t5, t6, t12))));
Tree t23 =
createAmbiguity(set(createBranch(list(t5, t6, t17)), createBranch(list(t22, t13, t15))));
Tree t24 =
createAmbiguity(set(createBranch(list(t19, t13, t15)), createBranch(list(t4, t6, t17))));
Tree t25 = createAmbiguity(set(createBranch(list(t24)), createBranch(list(t18, t9, t16))));
Tree t26 =
createAmbiguity(set(createBranch(list(t20, t9, t16)), createBranch(list(t1, t2, t25))));
Tree t27 = createAmbiguity(set(createBranch(list(t26)), createBranch(list(t23))));
return t27;
}
}
@Test
public void testSalienceCalculator() {
final int rowNumber = 2;
final int salience = Rule.calcSalience(rowNumber);
assertEquals(65533, salience);
}
@Test
public void testGetOriginWithoutAddingRuleToStylesheet() {
Rule instance = new Rule(Collections.EMPTY_LIST, Collections.EMPTY_LIST);
StyleOrigin result = instance.getOrigin();
assertNull(result);
}