/*
* Copyright (C) 2008 Steve Ratcliffe
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*
* Author: Steve Ratcliffe
* Create date: 29-Nov-2008
*/
package uk.me.parabola.mkgmap.osmstyle;
import java.io.Reader;
import java.io.StringReader;
import java.util.List;
import java.util.Map;
import uk.me.parabola.mkgmap.osmstyle.actions.Action;
import uk.me.parabola.mkgmap.osmstyle.actions.ActionReader;
import uk.me.parabola.mkgmap.reader.osm.Element;
import uk.me.parabola.mkgmap.reader.osm.GeneralRelation;
import uk.me.parabola.mkgmap.reader.osm.Relation;
import uk.me.parabola.mkgmap.reader.osm.Rule;
import uk.me.parabola.mkgmap.reader.osm.TypeResult;
import uk.me.parabola.mkgmap.reader.osm.Way;
import uk.me.parabola.mkgmap.scan.SyntaxException;
import uk.me.parabola.mkgmap.scan.TokenScanner;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* Test the possible actions that can appear in an action block.
* These are run before any rule is finally matched.
*/
public class ActionReaderTest
{
@Test
public void testSimpleSet
() {
List<Action> actions = readActionsFromString
("{set park=yes}");
assertEquals
("one action",
1, actions.
size());
Element el = stdElementRun
(actions
);
assertEquals
("park overwritten",
"yes", el.
getTag("park"));
}
@Test
public void testSimpleAdd
() {
List<Action> actions = readActionsFromString
("{add park=yes}");
assertEquals
("one action",
1, actions.
size());
// add does not overwrite existing tags.
Element el = stdElementRun
(actions
);
assertEquals
("park not overwritten",
"no", el.
getTag("park"));
}
@Test
public void testRename
() {
List<Action> actions = readActionsFromString
("{rename park landarea}");
assertEquals
("one action",
1, actions.
size());
Element el = stdElementRun
(actions
);
assertNull
("park should be gone", el.
getTag("park"));
assertEquals
("park renamed",
"no", el.
getTag("landarea"));
}
/**
* Test with embedded comment, newlines, semicolon used as separator.
*/
@Test
public void testFreeForm
() {
List<Action> actions = readActionsFromString
(" { set web='world wide';" +
"set \nribbon = 'yellow' \n# a comment } ");
assertEquals
("number of actions",
2, actions.
size());
Element el = stdElementRun
(actions
);
assertEquals
("park not overwritten",
"no", el.
getTag("park"));
assertEquals
("word with spaces",
"world wide", el.
getTag("web"));
assertEquals
("yellow ribbon",
"yellow", el.
getTag("ribbon"));
}
/**
* Test several commands in the block. They should all be executed.
*/
@Test
public void testMultipleCommands
() {
List<Action> actions = readActionsFromString
(
"{set park=yes; add fred=other;" +
"set pooh=bear}");
assertEquals
("number of actions",
3, actions.
size());
Element el = stdElementRun
(actions
);
assertEquals
("park set to yes",
"yes", el.
getTag("park"));
assertEquals
("fred set",
"other", el.
getTag("fred"));
assertEquals
("pooh set",
"bear", el.
getTag("pooh"));
}
@Test
(expected = SyntaxException.
class)
public void testInvalidCommand
() {
readActionsFromString
("{bad }");
}
/**
* The name action set the element-name (not the 'name' tag).
* The first value to set it counts, later matches are ignored.
*/
@Test
public void testName
() {
List<Action> actions = readActionsFromString
("{name '${name} (${ref})' |" +
" '${ref}' | '${name}' ; }");
Element el = makeElement
();
el.
addTag("name",
"Main St");
Rule rule =
new ActionRule
(null, actions
);
rule.
resolveType(el, TypeResult.
NULL_RESULT);
assertEquals
("just name",
"Main St", el.
getName());
}
/**
* Test with two name actions. This works just the same as having several
* name options on the same name command, in that it is still the
* first one to match that counts.
*/
@Test
public void testDoubleName
() {
List<Action> actions = readActionsFromString
("{name '${name} (${ref})' |" +
" '${ref}' | '${name}' ; " +
" name 'fred';}");
// Something that matches nothing in the first name command.
Element el = makeElement
();
Rule rule =
new ActionRule
(null, actions
);
rule.
resolveType(el, TypeResult.
NULL_RESULT);
assertEquals
("no tags, second action matches",
"fred", el.
getName());
el = makeElement
();
el.
addTag("ref",
"A1");
rule.
resolveType(el, TypeResult.
NULL_RESULT);
assertEquals
("just a ref tag",
"A1", el.
getName());
el = makeElement
();
el.
addTag("ref",
"A1");
el.
addTag("name",
"Main St");
rule.
resolveType(el, TypeResult.
NULL_RESULT);
assertEquals
("ref and name",
"Main St (A1)", el.
getName());
}
/**
* The apply action works on the members of relations.
*/
@Test
public void testApplyAction
() {
List<Action> actions = readActionsFromString
("{apply {" +
"add route=bike;" +
"set foo=bar; }" +
"}\n");
Relation rel = makeRelation
();
Rule rule =
new ActionRule
(null, actions
);
rule.
resolveType(rel, TypeResult.
NULL_RESULT);
assertNull
("Tag not set on relation", rel.
getTag("route"));
// Will be set on all members as there is no role filter.
List<Map.Entry<String,
Element>> elements = rel.
getElements();
Element el1 = elements.
get(0).
getValue();
assertEquals
("route tag added to first",
"bike", el1.
getTag("route"));
assertEquals
("foo tag set to first",
"bar", el1.
getTag("foo"));
Element el2 = elements.
get(1).
getValue();
assertEquals
("route tag added to second",
"bike", el2.
getTag("route"));
assertEquals
("foo tag set to second",
"bar", el2.
getTag("foo"));
}
/**
* You can have a role filter, so that the actions are only applied
* to members with the given role.
*/
@Test
public void testApplyWithRole
() {
List<Action> actions = readActionsFromString
("{apply role=bar {" +
"add route=bike;" +
"set foo=bar; }}");
Relation rel = makeRelation
();
Rule rule =
new ActionRule
(null, actions
);
rule.
resolveType(rel, TypeResult.
NULL_RESULT);
List<Map.Entry<String,
Element>> elements = rel.
getElements();
Element el1 = elements.
get(0).
getValue();
assertEquals
("route tag added to first",
"bike", el1.
getTag("route"));
assertEquals
("foo tag set to first",
"bar", el1.
getTag("foo"));
// Wrong role, so not applied.
Element el2 = elements.
get(1).
getValue();
assertNull
("route tag not added to second element (role=foo)", el2.
getTag("route"));
assertNull
("foo tag not set in second element (role=foo)", el2.
getTag("foo"));
}
/**
* When an apply statement runs, then substitutions on the value use
* the tags of the relation and not of the sub element.
*/
@Test
public void testApplyWithSubst
() {
List<Action> actions = readActionsFromString
("{apply {" +
"add route='${route_no}';" +
"}}");
Relation rel = makeRelation
();
rel.
addTag("route_no",
"66");
Element el1 = rel.
getElements().
get(0).
getValue();
el1.
addTag("route_no",
"42");
Rule rule =
new ActionRule
(null, actions
);
rule.
resolveType(rel, TypeResult.
NULL_RESULT);
assertEquals
("route_no taken from relation tags",
"66", el1.
getTag("route"));
}
@Test
public void testEmptyActionList
() {
List<Action> actions = readActionsFromString
("{}");
assertEquals
("no actions found",
0, actions.
size());
}
@Test
public void testAlternatives
() {
List<Action> actions = readActionsFromString
(
"{set fred = '${park}' | 'default value'}");
Element el = makeElement
();
Rule rule =
new ActionRule
(null, actions
);
rule.
resolveType(el, TypeResult.
NULL_RESULT);
assertEquals
("first alternative",
"no", el.
getTag("fred"));
}
@Test
public void testSecondAlternative
() {
List<Action> actions = readActionsFromString
(
"{set fred = '${notset}' | 'default value'}");
Element el = makeElement
();
el.
addTag("fred",
"origvalue");
Rule rule =
new ActionRule
(null, actions
);
rule.
resolveType(el, TypeResult.
NULL_RESULT);
assertEquals
("second alternative",
"default value", el.
getTag("fred"));
}
private Element stdElementRun
(List<Action> actions
) {
Rule rule =
new ActionRule
(null, actions
);
Element el = makeElement
();
rule.
resolveType(el, TypeResult.
NULL_RESULT);
return el
;
}
/**
* Make a standard element for the tests.
*/
private Element makeElement
() {
Element el =
new Way
(0);
el.
addTag("park",
"no");
el.
addTag("test",
"1");
return el
;
}
private Relation makeRelation
() {
Relation rel =
new GeneralRelation
(23);
rel.
addElement("bar", makeElement
());
rel.
addElement("foo", makeElement
());
return rel
;
}
/**
* Read a action list from a string.
*/
private List<Action> readActionsFromString
(String in
) {
Reader sr =
new StringReader(in
);
TokenScanner ts =
new TokenScanner
("string", sr
);
ActionReader ar =
new ActionReader
(ts
);
return ar.
readActions().
getList();
}
}