--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/test/java/de/uapcore/sudoku/DocumentHandlerTest.java Tue Jul 28 13:48:59 2020 +0200
@@ -0,0 +1,96 @@
+package de.uapcore.sudoku;
+
+import org.junit.jupiter.api.Test;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.file.Files;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class DocumentHandlerTest {
+
+ @Test
+ void testFilenameManagement() {
+ final var dh = new DocumentHandler();
+ assertFalse(dh.isFilenameSet());
+ dh.setFilename("foo");
+ assertTrue(dh.isFilenameSet());
+ dh.clearFilename();
+ assertFalse(dh.isFilenameSet());
+ }
+
+ private File extractFile(String name) throws IOException {
+ final var f = File.createTempFile("sudoku-test", ".txt");
+ try (var in = DocumentHandlerTest.class.getClassLoader().getResourceAsStream(name);
+ var out = new FileOutputStream(f)) {
+ in.transferTo(out);
+ }
+ return f;
+ }
+
+ private int[] createTestdata() {
+ return new int[]{0,1,0,9,0,0,8,0,0,
+ 0,0,0,0,0,8,0,0,4,
+ 6,0,5,0,0,0,7,0,0,
+ 0,9,0,0,6,0,0,0,8,
+ 0,0,0,2,0,7,0,0,0,
+ 8,0,0,0,3,0,0,6,0,
+ 0,0,2,0,0,0,5,0,3,
+ 1,0,0,4,0,0,0,0,0,
+ 0,0,6,0,0,2,0,1,0};
+ }
+
+ @Test
+ void load() throws IOException {
+ final var f = extractFile("test-sudoku");
+ final var dh = new DocumentHandler();
+ final var field = new Field();
+ dh.setFilename(f.getAbsolutePath());
+ dh.load(field);
+
+ final var expected = createTestdata();
+ for (int x = 0 ; x < 9 ; x++) {
+ for (int y = 0 ; y < 9 ; y++) {
+ assertEquals(expected[x+9*y], field.getCellValue(x, y));
+ }
+ }
+ }
+
+ @Test
+ void save() throws IOException {
+ final var f = File.createTempFile("sudoku-test", ".txt");
+ final var dh = new DocumentHandler();
+
+ final var field = new Field();
+ final var testdata = createTestdata();
+ for (int x = 0 ; x < 9 ; x++) {
+ for (int y = 0 ; y < 9 ; y++) {
+ field.setCellValue(x, y, testdata[x+9*y]);
+ }
+ }
+
+ dh.setFilename(f.getAbsolutePath());
+ dh.save(field);
+
+ final String[] expected = {
+ "_ 1 _ 9 _ _ 8 _ _",
+ "_ _ _ _ _ 8 _ _ 4",
+ "6 _ 5 _ _ _ 7 _ _",
+ "_ 9 _ _ 6 _ _ _ 8",
+ "_ _ _ 2 _ 7 _ _ _",
+ "8 _ _ _ 3 _ _ 6 _",
+ "_ _ 2 _ _ _ 5 _ 3",
+ "1 _ _ 4 _ _ _ _ _",
+ "_ _ 6 _ _ 2 _ 1 _"
+ };
+
+ final var actual = Files.readAllLines(f.toPath());
+
+ assertEquals(expected.length, actual.size());
+ for (int i = 0 ; i < expected.length ; i++) {
+ assertEquals(expected[i], actual.get(i));
+ }
+ }
+}