Add tests for the DFS HTML and JSP pages
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Key: HADOOP-5171
URL: https://issues.apache.org/jira/browse/HADOOP-5171
Project: Hadoop Core
Issue Type: Test
Components: fs, mapred
Affects Versions: 0.21.0
Reporter: Steve Loughran
Assignee: Steve Loughran
Priority: Minor
Add some basic tests to look for the standard JSP pages on a locally deployed
MiniMR cluster
1. namenode: check that dfshealth is present
2. datanode: check that all the datanode JSPs load
3. GET the standard servlets.
The initial checks can just use httpclient to GET the pages; no need (yet) for
HtmlUnit.
If the tests were designed to take optional URLs (e.g test.namenode.url and
test.datanode.url) they could be run against processes brought up
externally/remotely
They would
* help test that the JSP pages are being compiled down and bundled into the JARS
* verify the classpath is getting set up right
* check that the Jasper engine is working
* check the servlets are all registering
I've effectively had to do this in my own code; having a set of these tests
inside hadoop would make it easier to point the blame at the classpath setup or
something else.
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