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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.task.util.process;
import com.yahoo.jdisc.Timer;
import com.yahoo.vespa.test.file.TestFileSystem;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.FileSystem;
import java.nio.file.Files;
import java.nio.file.Path;
import java.time.Duration;
import java.time.Instant;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.fail;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyLong;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
/**
* @author hakonhall
*/
public class ChildProcess2ImplTest {
private final FileSystem fileSystem = TestFileSystem.create();
private final Timer timer = mock(Timer.class);
private final CommandLine commandLine = mock(CommandLine.class);
private final ProcessApi2 processApi = mock(ProcessApi2.class);
private Path temporaryFile;
@BeforeEach
public void setUp() throws IOException {
temporaryFile = Files.createTempFile(fileSystem.getPath("/"), "", "");
}
@Test
void testSuccess() throws Exception {
when(commandLine.getTimeout()).thenReturn(Duration.ofHours(1));
when(commandLine.getMaxOutputBytes()).thenReturn(10L);
when(commandLine.getOutputEncoding()).thenReturn(StandardCharsets.UTF_8);
when(commandLine.getSigTermGracePeriod()).thenReturn(Duration.ofMinutes(2));
when(commandLine.getSigKillGracePeriod()).thenReturn(Duration.ofMinutes(3));
when(commandLine.toString()).thenReturn("program arg");
when(timer.currentTime()).thenReturn(
Instant.ofEpochMilli(1),
Instant.ofEpochMilli(2));
when(processApi.waitFor(anyLong(), any())).thenReturn(true);
try (ChildProcess2Impl child =
new ChildProcess2Impl(commandLine, processApi, temporaryFile, timer)) {
child.waitForTermination();
}
}
@Test
void testTimeout() throws Exception {
when(commandLine.getTimeout()).thenReturn(Duration.ofSeconds(1));
when(commandLine.getMaxOutputBytes()).thenReturn(10L);
when(commandLine.getOutputEncoding()).thenReturn(StandardCharsets.UTF_8);
when(commandLine.getSigTermGracePeriod()).thenReturn(Duration.ofMinutes(2));
when(commandLine.getSigKillGracePeriod()).thenReturn(Duration.ofMinutes(3));
when(commandLine.toString()).thenReturn("program arg");
when(timer.currentTime()).thenReturn(
Instant.ofEpochSecond(0),
Instant.ofEpochSecond(2));
when(processApi.waitFor(anyLong(), any())).thenReturn(true);
try (ChildProcess2Impl child =
new ChildProcess2Impl(commandLine, processApi, temporaryFile, timer)) {
try {
child.waitForTermination();
fail();
} catch (TimeoutChildProcessException e) {
assertEquals(
"Command 'program arg' timed out after PT1S: stdout/stderr: ''",
e.getMessage());
}
}
}
@Test
void testMaxOutputBytes() throws Exception {
when(commandLine.getTimeout()).thenReturn(Duration.ofSeconds(1));
when(commandLine.getMaxOutputBytes()).thenReturn(10L);
when(commandLine.getOutputEncoding()).thenReturn(StandardCharsets.UTF_8);
when(commandLine.getSigTermGracePeriod()).thenReturn(Duration.ofMinutes(2));
when(commandLine.getSigKillGracePeriod()).thenReturn(Duration.ofMinutes(3));
when(commandLine.toString()).thenReturn("program arg");
when(timer.currentTime()).thenReturn(
Instant.ofEpochMilli(0),
Instant.ofEpochMilli(1));
when(processApi.waitFor(anyLong(), any())).thenReturn(true);
Files.writeString(temporaryFile, "1234567890123");
try (ChildProcess2Impl child =
new ChildProcess2Impl(commandLine, processApi, temporaryFile, timer)) {
try {
child.waitForTermination();
fail();
} catch (LargeOutputChildProcessException e) {
assertEquals(
"Command 'program arg' output more than 13 bytes: stdout/stderr: '1234567890123'",
e.getMessage());
}
}
}
@Test
void testUnkillable() throws Exception {
when(commandLine.getTimeout()).thenReturn(Duration.ofSeconds(1));
when(commandLine.getMaxOutputBytes()).thenReturn(10L);
when(commandLine.getOutputEncoding()).thenReturn(StandardCharsets.UTF_8);
when(commandLine.getSigTermGracePeriod()).thenReturn(Duration.ofMinutes(2));
when(commandLine.getSigKillGracePeriod()).thenReturn(Duration.ofMinutes(3));
when(commandLine.toString()).thenReturn("program arg");
when(timer.currentTime()).thenReturn(
Instant.ofEpochMilli(0),
Instant.ofEpochMilli(1));
when(processApi.waitFor(anyLong(), any())).thenReturn(false);
Files.writeString(temporaryFile, "1234567890123");
try (ChildProcess2Impl child =
new ChildProcess2Impl(commandLine, processApi, temporaryFile, timer)) {
try {
child.waitForTermination();
fail();
} catch (UnkillableChildProcessException e) {
assertEquals(
"Command 'program arg' did not terminate even after SIGTERM, +PT2M, SIGKILL, and +PT3M: stdout/stderr: '1234567890123'",
e.getMessage());
}
}
}
}
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