1 | // License: GPL. For details, see LICENSE file.
|
---|
2 | package org.openstreetmap.josm.gui;
|
---|
3 |
|
---|
4 | import static org.hamcrest.MatcherAssert.assertThat;
|
---|
5 | import static org.junit.jupiter.api.Assertions.assertEquals;
|
---|
6 |
|
---|
7 | import java.awt.Point;
|
---|
8 | import java.awt.Rectangle;
|
---|
9 | import java.awt.geom.Point2D;
|
---|
10 | import java.util.Objects;
|
---|
11 |
|
---|
12 | import javax.swing.JPanel;
|
---|
13 |
|
---|
14 | import org.CustomMatchers;
|
---|
15 | import org.hamcrest.CustomTypeSafeMatcher;
|
---|
16 | import org.hamcrest.Matcher;
|
---|
17 | import org.junit.jupiter.api.BeforeEach;
|
---|
18 | import org.junit.jupiter.api.Test;
|
---|
19 | import org.junit.jupiter.api.extension.RegisterExtension;
|
---|
20 | import org.openstreetmap.josm.data.Bounds;
|
---|
21 | import org.openstreetmap.josm.data.ProjectionBounds;
|
---|
22 | import org.openstreetmap.josm.data.coor.EastNorth;
|
---|
23 | import org.openstreetmap.josm.data.coor.LatLon;
|
---|
24 | import org.openstreetmap.josm.data.projection.ProjectionRegistry;
|
---|
25 | import org.openstreetmap.josm.gui.util.GuiHelper;
|
---|
26 | import org.openstreetmap.josm.testutils.JOSMTestRules;
|
---|
27 |
|
---|
28 | import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
|
---|
29 |
|
---|
30 | /**
|
---|
31 | * Some tests for the {@link NavigatableComponent} class.
|
---|
32 | * @author Michael Zangl
|
---|
33 | *
|
---|
34 | */
|
---|
35 | class NavigatableComponentTest {
|
---|
36 |
|
---|
37 | private static final class NavigatableComponentMock extends NavigatableComponent {
|
---|
38 | @Override
|
---|
39 | public Point getLocationOnScreen() {
|
---|
40 | return new Point(30, 40);
|
---|
41 | }
|
---|
42 |
|
---|
43 | @Override
|
---|
44 | protected boolean isVisibleOnScreen() {
|
---|
45 | return true;
|
---|
46 | }
|
---|
47 | }
|
---|
48 |
|
---|
49 | private static final int HEIGHT = 200;
|
---|
50 | private static final int WIDTH = 300;
|
---|
51 | private NavigatableComponent component;
|
---|
52 |
|
---|
53 | /**
|
---|
54 | * We need the projection for coordinate conversions.
|
---|
55 | */
|
---|
56 | @RegisterExtension
|
---|
57 | @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
|
---|
58 | public JOSMTestRules test = new JOSMTestRules().preferences().projection();
|
---|
59 |
|
---|
60 | /**
|
---|
61 | * Create a new, fresh {@link NavigatableComponent}
|
---|
62 | */
|
---|
63 | @BeforeEach
|
---|
64 | public void setUp() {
|
---|
65 | component = new NavigatableComponentMock();
|
---|
66 | component.setBounds(new Rectangle(WIDTH, HEIGHT));
|
---|
67 | // wait for the event to be propagated.
|
---|
68 | GuiHelper.runInEDTAndWait(new Runnable() {
|
---|
69 | @Override
|
---|
70 | public void run() {
|
---|
71 | }
|
---|
72 | });
|
---|
73 | component.setVisible(true);
|
---|
74 | JPanel parent = new JPanel();
|
---|
75 | parent.add(component);
|
---|
76 | component.updateLocationState();
|
---|
77 | }
|
---|
78 |
|
---|
79 | /**
|
---|
80 | * Test if the default scale was set correctly.
|
---|
81 | */
|
---|
82 | @Test
|
---|
83 | void testDefaultScale() {
|
---|
84 | assertEquals(ProjectionRegistry.getProjection().getDefaultZoomInPPD(), component.getScale(), 0.00001);
|
---|
85 | }
|
---|
86 |
|
---|
87 | /**
|
---|
88 | * Tests {@link NavigatableComponent#getPoint2D(EastNorth)}
|
---|
89 | */
|
---|
90 | @Test
|
---|
91 | void testPoint2DEastNorth() {
|
---|
92 | assertThat(component.getPoint2D((EastNorth) null), CustomMatchers.is(new Point2D.Double()));
|
---|
93 | Point2D shouldBeCenter = component.getPoint2D(component.getCenter());
|
---|
94 | assertThat(shouldBeCenter, CustomMatchers.is(new Point2D.Double(WIDTH / 2, HEIGHT / 2)));
|
---|
95 |
|
---|
96 | EastNorth testPoint = component.getCenter().add(300 * component.getScale(), 200 * component.getScale());
|
---|
97 | Point2D testPointConverted = component.getPoint2D(testPoint);
|
---|
98 | assertThat(testPointConverted, CustomMatchers.is(new Point2D.Double(WIDTH / 2 + 300, HEIGHT / 2 - 200)));
|
---|
99 | }
|
---|
100 |
|
---|
101 | /**
|
---|
102 | * TODO: Implement this test.
|
---|
103 | */
|
---|
104 | @Test
|
---|
105 | void testPoint2DLatLon() {
|
---|
106 | assertThat(component.getPoint2D((LatLon) null), CustomMatchers.is(new Point2D.Double()));
|
---|
107 | // TODO: Really test this.
|
---|
108 | }
|
---|
109 |
|
---|
110 | /**
|
---|
111 | * Tests {@link NavigatableComponent#zoomTo(LatLon)}
|
---|
112 | */
|
---|
113 | @Test
|
---|
114 | void testZoomToLatLon() {
|
---|
115 | component.zoomTo(new LatLon(10, 10));
|
---|
116 | Point2D shouldBeCenter = component.getPoint2D(new LatLon(10, 10));
|
---|
117 | // 0.5 pixel tolerance, see isAfterZoom
|
---|
118 | assertEquals(shouldBeCenter.getX(), WIDTH / 2., 0.5);
|
---|
119 | assertEquals(shouldBeCenter.getY(), HEIGHT / 2., 0.5);
|
---|
120 | }
|
---|
121 |
|
---|
122 | /**
|
---|
123 | * Tests {@link NavigatableComponent#zoomToFactor(double)} and {@link NavigatableComponent#zoomToFactor(EastNorth, double)}
|
---|
124 | */
|
---|
125 | @Test
|
---|
126 | void testZoomToFactor() {
|
---|
127 | EastNorth center = component.getCenter();
|
---|
128 | double initialScale = component.getScale();
|
---|
129 |
|
---|
130 | // zoomToFactor(double)
|
---|
131 | component.zoomToFactor(0.5);
|
---|
132 | assertEquals(initialScale / 2, component.getScale(), 0.00000001);
|
---|
133 | assertThat(component.getCenter(), isAfterZoom(center, component.getScale()));
|
---|
134 | component.zoomToFactor(2);
|
---|
135 | assertEquals(initialScale, component.getScale(), 0.00000001);
|
---|
136 | assertThat(component.getCenter(), isAfterZoom(center, component.getScale()));
|
---|
137 |
|
---|
138 | // zoomToFactor(EastNorth, double)
|
---|
139 | EastNorth newCenter = new EastNorth(10, 20);
|
---|
140 | component.zoomToFactor(newCenter, 0.5);
|
---|
141 | assertEquals(initialScale / 2, component.getScale(), 0.00000001);
|
---|
142 | assertThat(component.getCenter(), isAfterZoom(newCenter, component.getScale()));
|
---|
143 | component.zoomToFactor(newCenter, 2);
|
---|
144 | assertEquals(initialScale, component.getScale(), 0.00000001);
|
---|
145 | assertThat(component.getCenter(), isAfterZoom(newCenter, component.getScale()));
|
---|
146 | }
|
---|
147 |
|
---|
148 | /**
|
---|
149 | * Tests {@link NavigatableComponent#getEastNorth(int, int)}
|
---|
150 | */
|
---|
151 | @Test
|
---|
152 | void testGetEastNorth() {
|
---|
153 | EastNorth center = component.getCenter();
|
---|
154 | assertThat(component.getEastNorth(WIDTH / 2, HEIGHT / 2), CustomMatchers.is(center));
|
---|
155 |
|
---|
156 | EastNorth testPoint = component.getCenter().add(WIDTH * component.getScale(), HEIGHT * component.getScale());
|
---|
157 | assertThat(component.getEastNorth(3 * WIDTH / 2, -HEIGHT / 2), CustomMatchers.is(testPoint));
|
---|
158 | }
|
---|
159 |
|
---|
160 | /**
|
---|
161 | * Tests {@link NavigatableComponent#zoomToFactor(double, double, double)}
|
---|
162 | */
|
---|
163 | @Test
|
---|
164 | void testZoomToFactorCenter() {
|
---|
165 | // zoomToFactor(double, double, double)
|
---|
166 | // assumes getEastNorth works as expected
|
---|
167 | EastNorth testPoint1 = component.getEastNorth(0, 0);
|
---|
168 | EastNorth testPoint2 = component.getEastNorth(200, 150);
|
---|
169 | double initialScale = component.getScale();
|
---|
170 |
|
---|
171 | component.zoomToFactor(0, 0, 0.5);
|
---|
172 | assertEquals(initialScale / 2, component.getScale(), 0.00000001);
|
---|
173 | assertThat(component.getEastNorth(0, 0), isAfterZoom(testPoint1, component.getScale()));
|
---|
174 | component.zoomToFactor(0, 0, 2);
|
---|
175 | assertEquals(initialScale, component.getScale(), 0.00000001);
|
---|
176 | assertThat(component.getEastNorth(0, 0), isAfterZoom(testPoint1, component.getScale()));
|
---|
177 |
|
---|
178 | component.zoomToFactor(200, 150, 0.5);
|
---|
179 | assertEquals(initialScale / 2, component.getScale(), 0.00000001);
|
---|
180 | assertThat(component.getEastNorth(200, 150), isAfterZoom(testPoint2, component.getScale()));
|
---|
181 | component.zoomToFactor(200, 150, 2);
|
---|
182 | assertEquals(initialScale, component.getScale(), 0.00000001);
|
---|
183 | assertThat(component.getEastNorth(200, 150), isAfterZoom(testPoint2, component.getScale()));
|
---|
184 |
|
---|
185 | }
|
---|
186 |
|
---|
187 | /**
|
---|
188 | * Tests {@link NavigatableComponent#getProjectionBounds()}
|
---|
189 | */
|
---|
190 | @Test
|
---|
191 | void testGetProjectionBounds() {
|
---|
192 | ProjectionBounds bounds = component.getProjectionBounds();
|
---|
193 | assertThat(bounds.getCenter(), CustomMatchers.is(component.getCenter()));
|
---|
194 |
|
---|
195 | assertThat(bounds.getMin(), CustomMatchers.is(component.getEastNorth(0, HEIGHT)));
|
---|
196 | assertThat(bounds.getMax(), CustomMatchers.is(component.getEastNorth(WIDTH, 0)));
|
---|
197 | }
|
---|
198 |
|
---|
199 | /**
|
---|
200 | * Tests {@link NavigatableComponent#getRealBounds()}
|
---|
201 | */
|
---|
202 | @Test
|
---|
203 | void testGetRealBounds() {
|
---|
204 | Bounds bounds = component.getRealBounds();
|
---|
205 | assertThat(bounds.getCenter(), CustomMatchers.is(component.getLatLon(WIDTH / 2, HEIGHT / 2)));
|
---|
206 |
|
---|
207 | assertThat(bounds.getMin(), CustomMatchers.is(component.getLatLon(0, HEIGHT)));
|
---|
208 | assertThat(bounds.getMax(), CustomMatchers.is(component.getLatLon(WIDTH, 0)));
|
---|
209 | }
|
---|
210 |
|
---|
211 | /**
|
---|
212 | * Check that EastNorth is the same as expected after zooming the NavigatableComponent.
|
---|
213 | *
|
---|
214 | * Adds tolerance of 0.5 pixel for pixel grid alignment, see
|
---|
215 | * {@link NavigatableComponent#zoomTo(EastNorth, double, boolean)}
|
---|
216 | * @param expected expected
|
---|
217 | * @param scale current scale
|
---|
218 | * @return Matcher object
|
---|
219 | */
|
---|
220 | private Matcher<EastNorth> isAfterZoom(EastNorth expected, double scale) {
|
---|
221 | return new CustomTypeSafeMatcher<EastNorth>(Objects.toString(expected)) {
|
---|
222 | @Override
|
---|
223 | protected boolean matchesSafely(EastNorth actual) {
|
---|
224 | // compare pixels (east/north divided by scale)
|
---|
225 | return Math.abs((expected.getX() - actual.getX()) / scale) <= 0.5
|
---|
226 | && Math.abs((expected.getY() - actual.getY()) / scale) <= 0.5;
|
---|
227 | }
|
---|
228 | };
|
---|
229 | }
|
---|
230 |
|
---|
231 | }
|
---|