try stdin

src/test/java/eu/simstadt/regionchooser/RegionChooserCommandLineInterfaceTest.java

@@ -2,9 +2,12 @@
 
 import static org.junit.jupiter.api.Assertions.assertTrue;
 import java.io.BufferedWriter;
+import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.PrintStream;
+import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
@@ -75,13 +78,44 @@ void testExtractRegionFromTwoCitygmlsInWGS84() throws IOException {
 		}
 		new CommandLine(new RegionChooserCommandLineInterface()).execute("--input=" + citygml1 + "," + citygml2,
 				"--output=" + outGML, "--wkt=" + inWKT);
-		originalOut.println(err.toString());
 		String expectedLog = "EPSG:31463";
 		assertTrue(err.toString().contains(expectedLog), err.toString() + " should contain " + expectedLog);
 		expectedLog = "Buildings found in selected region 22";
 		assertTrue(err.toString().contains(expectedLog), err.toString() + " should contain " + expectedLog);
 		assertTrue(Files.size(outGML) > 300_000);
 	}
-	//TODO: Test with stdin
+
+	@Test
+	void testExtractRegionWithStandardInput() throws IOException {
+		String wktPolygon = "POLYGON((-73.9959209576448 40.73286384885367, -73.996317924579 40.732359794090684, -73.9947515145143 40.7315061442504, -73.99422580154739 40.73214841515045, -73.9959209576448 40.73286384885367))";
+		Path citygml = TEST_REPOSITORY.resolve("NewYork.proj/ManhattanSmall.gml");
+		Path outGML = Files.createTempFile("output", ".gml");
+		InputStream stdin = new ByteArrayInputStream(wktPolygon.getBytes(StandardCharsets.UTF_8));
+		System.setIn(stdin);
+		new CommandLine(new RegionChooserCommandLineInterface()).execute("--input=" + citygml, "--output=" + outGML,
+				"--wkt=-");
+		String expectedLog = "EPSG:32118";
+		originalOut.println(err.toString());
+		assertTrue(err.toString().contains(expectedLog), err.toString() + " should contain " + expectedLog);
+		expectedLog = "Buildings found in selected region 2";
+		assertTrue(err.toString().contains(expectedLog), err.toString() + " should contain " + expectedLog);
+	}
+
+	@Test
+	void testExtractRegionWithMissingInput() throws IOException {
+		String wktPolygon = "POLYGON((-73.9959209576448 40.73286384885367, -73.996317924579 40.732359794090684, -73.9947515145143 40.7315061442504, -73.99422580154739 40.73214841515045, -73.9959209576448 40.73286384885367))";
+		Path citygml = TEST_REPOSITORY.resolve("NewYork.proj/ManhattanSmall.gml");
+		Path outGML = Files.createTempFile("output", ".gml");
+		Path inWKT = Files.createTempFile("polygon", ".wkt");
+		try (BufferedWriter wkt = Files.newBufferedWriter(inWKT)) {
+			wkt.write(wktPolygon);
+		}
+		new CommandLine(new RegionChooserCommandLineInterface()).execute("--input=" + citygml, "--output=" + outGML,
+				"--wkt=-");
+		String expectedLog = "EPSG:32118";
+		assertTrue(err.toString().contains(expectedLog), err.toString() + " should contain " + expectedLog);
+		expectedLog = "Please provide \"POLYGON((x1 y1, x2 y2, ...))\" to standard input.";
+		assertTrue(err.toString().contains(expectedLog), err.toString() + " should contain " + expectedLog);
+	}
 }