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GeezerVison is showing github.com — Fix sporadic failures of AttachContainerCmdIT tests (#1483) · lreimer/docker-java@ce5e9eb

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  • docker-java/src/test
    • java/com/github/dockerjava/cmd
      • AttachContainerCmdIT.java
    • resources/attachContainerTestDockerfile
      • echo.sh
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‎docker-java/src/test/java/com/github/dockerjava/cmd/AttachContainerCmdIT.java‎

Copy file name to clipboardExpand all lines: docker-java/src/test/java/com/github/dockerjava/cmd/AttachContainerCmdIT.java
+84-71Lines changed: 84 additions & 71 deletions
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,6 @@
33
import com.github.dockerjava.api.DockerClient;
44
import com.github.dockerjava.api.async.ResultCallback;
55
import com.github.dockerjava.api.command.CreateContainerResponse;
6-
import com.github.dockerjava.api.command.InspectContainerResponse;
76
import com.github.dockerjava.api.model.Frame;
87
import com.github.dockerjava.api.model.StreamType;
98
import org.junit.Assume;
@@ -26,8 +25,8 @@
2625
import static org.hamcrest.CoreMatchers.is;
2726
import static org.hamcrest.MatcherAssert.assertThat;
2827
import static org.hamcrest.Matchers.containsString;
29-
import static org.hamcrest.Matchers.equalTo;
3028
import static org.hamcrest.Matchers.emptyString;
29+
import static org.hamcrest.Matchers.equalTo;
3130
import static org.hamcrest.Matchers.not;
3231
import static org.junit.Assert.assertEquals;
3332
import static org.junit.Assert.assertTrue;
@@ -51,20 +50,17 @@ public void attachContainerWithStdin() throws Exception {
5150
String snippet = "hello world";
5251

5352
CreateContainerResponse container = dockerClient.createContainerCmd("busybox")
54-
.withCmd("/bin/sh", "-c", "sleep 1 && read line && echo $line")
55-
.withTty(false)
56-
.withStdinOpen(true)
57-
.exec();
53+
.withCmd("/bin/sh", "-c", "read line && echo $line")
54+
.withTty(false)
55+
.withAttachStdin(true)
56+
.withAttachStdout(true)
57+
.withAttachStderr(true)
58+
.withStdinOpen(true)
59+
.exec();
5860

5961
LOG.info("Created container: {}", container.toString());
6062
assertThat(container.getId(), not(is(emptyString())));
6163

62-
dockerClient.startContainerCmd(container.getId()).exec();
63-
64-
InspectContainerResponse inspectContainerResponse = dockerClient.inspectContainerCmd(container.getId()).exec();
65-
66-
assertThat(inspectContainerResponse.getState().getRunning(), is(true));
67-
6864
AttachContainerTestCallback callback = new AttachContainerTestCallback() {
6965
@Override
7066
public void onNext(Frame frame) {
@@ -75,7 +71,7 @@ public void onNext(Frame frame) {
7571

7672
try (
7773
PipedOutputStream out = new PipedOutputStream();
78-
PipedInputStream in = new PipedInputStream(out);
74+
PipedInputStream in = new PipedInputStream(out)
7975
) {
8076
dockerClient.attachContainerCmd(container.getId())
8177
.withStdErr(true)
@@ -84,6 +80,8 @@ public void onNext(Frame frame) {
8480
.withStdIn(in)
8581
.exec(callback);
8682

83+
dockerClient.startContainerCmd(container.getId()).exec();
84+
8785
out.write((snippet + "\n").getBytes());
8886
out.flush();
8987

@@ -101,30 +99,33 @@ public void attachContainerWithoutTTY() throws Exception {
10199
String snippet = "hello world";
102100

103101
CreateContainerResponse container = dockerClient.createContainerCmd(DEFAULT_IMAGE)
104-
.withCmd("echo", snippet)
105-
.withTty(false)
106-
.exec();
102+
.withCmd("echo", snippet)
103+
.withTty(false)
104+
.withAttachStdout(true)
105+
.withAttachStderr(true)
106+
.exec();
107107

108108
LOG.info("Created container: {}", container.toString());
109109
assertThat(container.getId(), not(is(emptyString())));
110110

111-
dockerClient.startContainerCmd(container.getId()).exec();
112-
113111
AttachContainerTestCallback callback = new AttachContainerTestCallback() {
114112
@Override
115113
public void onNext(Frame frame) {
116114
assertThat(frame.getStreamType(), equalTo(StreamType.STDOUT));
117115
super.onNext(frame);
118-
};
116+
}
119117
};
120118

121119
dockerClient.attachContainerCmd(container.getId())
122-
.withStdErr(true)
123-
.withStdOut(true)
124-
.withFollowStream(true)
125-
.withLogs(true)
126-
.exec(callback)
127-
.awaitCompletion(30, TimeUnit.SECONDS);
120+
.withStdErr(true)
121+
.withStdOut(true)
122+
.withFollowStream(true)
123+
.withLogs(true)
124+
.exec(callback);
125+
126+
dockerClient.startContainerCmd(container.getId()).exec();
127+
128+
callback.awaitCompletion(30, TimeUnit.SECONDS);
128129
callback.close();
129130

130131
assertThat(callback.toString(), containsString(snippet));
@@ -135,31 +136,37 @@ public void attachContainerWithTTY() throws Exception {
135136
DockerClient dockerClient = dockerRule.getClient();
136137

137138
File baseDir = new File(Thread.currentThread().getContextClassLoader()
138-
.getResource("attachContainerTestDockerfile").getFile());
139+
.getResource("attachContainerTestDockerfile").getFile());
139140

140141
String imageId = dockerRule.buildImage(baseDir);
141142

142-
CreateContainerResponse container = dockerClient.createContainerCmd(imageId).withTty(true).exec();
143+
CreateContainerResponse container = dockerClient.createContainerCmd(imageId)
144+
.withTty(true)
145+
.withAttachStdout(true)
146+
.withAttachStderr(true)
147+
.exec();
143148

144149
LOG.info("Created container: {}", container.toString());
145150
assertThat(container.getId(), not(is(emptyString())));
146151

147-
dockerClient.startContainerCmd(container.getId()).exec();
148152

149153
AttachContainerTestCallback callback = new AttachContainerTestCallback() {
150154
@Override
151155
public void onNext(Frame frame) {
152156
assertThat(frame.getStreamType(), equalTo(StreamType.RAW));
153157
super.onNext(frame);
154-
};
158+
}
155159
};
156160

157161
dockerClient.attachContainerCmd(container.getId())
158-
.withStdErr(true)
159-
.withStdOut(true)
160-
.withFollowStream(true)
161-
.exec(callback)
162-
.awaitCompletion(15, TimeUnit.SECONDS);
162+
.withStdErr(true)
163+
.withStdOut(true)
164+
.withFollowStream(true)
165+
.exec(callback);
166+
167+
dockerClient.startContainerCmd(container.getId()).exec();
168+
169+
callback.awaitCompletion(15, TimeUnit.SECONDS);
163170
callback.close();
164171

165172
LOG.debug("log: {}", callback.toString());
@@ -178,33 +185,37 @@ public void attachContainerStdinUnsupported() throws Exception {
178185
String snippet = "hello world";
179186

180187
CreateContainerResponse container = dockerClient.createContainerCmd(DEFAULT_IMAGE)
181-
.withCmd("echo", snippet)
182-
.withTty(false)
183-
.exec();
188+
.withCmd("echo", snippet)
189+
.withTty(false)
190+
.withAttachStdin(true)
191+
.withAttachStdout(true)
192+
.withAttachStderr(true)
193+
.exec();
184194

185195
LOG.info("Created container: {}", container.toString());
186196
assertThat(container.getId(), not(is(emptyString())));
187197

188-
dockerClient.startContainerCmd(container.getId()).exec();
189-
190198
AttachContainerTestCallback callback = new AttachContainerTestCallback() {
191199
@Override
192200
public void onNext(Frame frame) {
193201
assertThat(frame.getStreamType(), equalTo(StreamType.STDOUT));
194202
super.onNext(frame);
195-
};
203+
}
196204
};
197205

198206
InputStream stdin = new ByteArrayInputStream("".getBytes());
199207

200208
dockerClient.attachContainerCmd(container.getId())
201-
.withStdErr(true)
202-
.withStdOut(true)
203-
.withFollowStream(true)
204-
.withLogs(true)
205-
.withStdIn(stdin)
206-
.exec(callback)
207-
.awaitCompletion(30, TimeUnit.SECONDS);
209+
.withStdErr(true)
210+
.withStdOut(true)
211+
.withFollowStream(true)
212+
.withLogs(true)
213+
.withStdIn(stdin)
214+
.exec(callback);
215+
216+
dockerClient.startContainerCmd(container.getId()).exec();
217+
218+
callback.awaitCompletion(30, TimeUnit.SECONDS);
208219
callback.close();
209220
}
210221

@@ -217,33 +228,35 @@ public void attachContainerClosesStdoutWhenContainerExits() throws Exception {
217228
DockerClient dockerClient = dockerRule.getClient();
218229

219230
CreateContainerResponse container = dockerClient.createContainerCmd(DEFAULT_IMAGE)
220-
.withCmd("echo", "hello")
221-
.withTty(false)
222-
.exec();
231+
.withCmd("echo", "hello")
232+
.withTty(false)
233+
.withAttachStdout(true)
234+
.withAttachStderr(true)
235+
.exec();
223236
LOG.info("Created container: {}", container.toString());
224237

225238
CountDownLatch gotLine = new CountDownLatch(1);
226239
try (
227-
ResultCallback.Adapter<Frame> resultCallback = dockerClient.attachContainerCmd(container.getId())
228-
.withStdOut(true)
229-
.withStdErr(true)
230-
.withFollowStream(true)
231-
.exec(new ResultCallback.Adapter<Frame>() {
232-
@Override
233-
public void onNext(Frame item) {
234-
LOG.info("Got frame: {}", item);
235-
if (item.getStreamType() == StreamType.STDOUT) {
236-
gotLine.countDown();
237-
}
238-
super.onNext(item);
239-
}
240-
241-
@Override
242-
public void onComplete() {
243-
LOG.info("On complete");
244-
super.onComplete();
245-
}
246-
})
240+
ResultCallback.Adapter<Frame> resultCallback = dockerClient.attachContainerCmd(container.getId())
241+
.withStdOut(true)
242+
.withStdErr(true)
243+
.withFollowStream(true)
244+
.exec(new ResultCallback.Adapter<Frame>() {
245+
@Override
246+
public void onNext(Frame item) {
247+
LOG.info("Got frame: {}", item);
248+
if (item.getStreamType() == StreamType.STDOUT) {
249+
gotLine.countDown();
250+
}
251+
super.onNext(item);
252+
}
253+
254+
@Override
255+
public void onComplete() {
256+
LOG.info("On complete");
257+
super.onComplete();
258+
}
259+
})
247260
) {
248261
resultCallback.awaitStarted(5, SECONDS);
249262
LOG.info("Attach started");
@@ -258,7 +271,7 @@ public void onComplete() {
258271
}
259272

260273
public static class AttachContainerTestCallback extends ResultCallback.Adapter<Frame> {
261-
private StringBuffer log = new StringBuffer();
274+
private final StringBuffer log = new StringBuffer();
262275

263276
@Override
264277
public void onNext(Frame item) {
Collapse file

‎docker-java/src/test/resources/attachContainerTestDockerfile/echo.sh‎

Copy file name to clipboard
+1-1Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,2 +1,2 @@
11
#!/bin/sh
2-
while sleep 2; do echo stdout && echo stderr >&2; done
2+
echo stdout && echo stderr >&2

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