fix(gui): add missing translations keys, and ensure all files match (PR #525)

jadx-gui/src/test/java/jadx/gui/TestI18n.java

@@ -0,0 +1,64 @@
+package jadx.gui;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.List;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class TestI18n {
+
+	private List<String> reference;
+	private String referenceName;
+
+	@Test
+	public void filesExactlyMatch() throws IOException {
+		Path path = Paths.get("./src/main/resources/i18n");
+		assertTrue(Files.exists(path));
+		Files.list(path).forEach(p -> {
+			List<String> lines;
+			try {
+				lines = Files.readAllLines(p);
+				if (reference == null) {
+					reference = lines;
+					referenceName = p.getFileName().toString();
+				}
+				else {
+					compareToReference(p);
+				}
+
+			} catch (IOException e) {
+				Assertions.fail("Error " + e.getMessage());
+			}
+		});
+	}
+
+	private void compareToReference(Path path) throws IOException {
+		List<String> lines = Files.readAllLines(path);
+		for (int i = 0; i < reference.size(); i++) {
+			String line = trimComment(reference.get(i));
+			int p0 = line.indexOf('=');
+			if (p0 != -1) {
+				String prefix = line.substring(0, p0 + 1);
+				if (i >= lines.size() || !trimComment(lines.get(i)).startsWith(prefix)) {
+					fail(path, i + 1);
+				}
+			}
+		}
+		if (lines.size() != reference.size()) {
+			fail(path, reference.size());
+		}
+	}
+
+	private static String trimComment(String string) {
+		return string.startsWith("#") ? string.substring(1) : string;
+	}
+
+	private void fail(Path path, int line) {
+		Assertions.fail("I18n files " + path.getFileName() + " and " + referenceName + " differ in line " + line);
+	}
+}