davisusanibar commented on a change in pull request #125:
URL: https://github.com/apache/arrow-cookbook/pull/125#discussion_r788172547
##########
File path: java/ext/javadoctest.py
##########
@@ -0,0 +1,57 @@
+import subprocess
+import os
+from sphinx.ext.doctest import TestcodeDirective, TestoutputDirective,
DocTestBuilder, Any, Dict, doctest, sphinx
+from sphinx.locale import __
+from subprocess import Popen, PIPE
+
+class JavaDocTestBuilder(DocTestBuilder):
+ """
+ Runs java test snippets in the documentation.
+ """
+ name = 'javadoctest'
+ epilog = __('Java testing of doctests in the sources finished, look at the
'
+ 'results in %(outdir)s/output.txt.')
+ def compile(self, code: str, name: str, type: str, flags: Any,
dont_inherit: bool) -> Any:
+ # go to project that contains all your arrow maven dependencies
+ dir_arrow_maven_project =
os.path.dirname(os.getcwd())+'/java/source/demo'
+
+ # create list of all arrow jar dependencies
+ proc_mvn_dependency = subprocess.Popen(['mvn', '-q',
'dependency:build-classpath', '-DincludeTypes=jar',
'-Dmdep.outputFile=.cp.tmp'], cwd=dir_arrow_maven_project,
stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
+ stdout_mvn, stderr_mvn = proc_mvn_dependency.communicate()
+ if not os.path.exists(dir_arrow_maven_project + '/.cp.tmp'):
+ raise RuntimeError(__('invalid process to create jshell
dependencies library'))
+
+ # get list of all arrow jar dependencies
+ proc_get_dependency = subprocess.Popen(['cat', '.cp.tmp'],
cwd=dir_arrow_maven_project, stdout=subprocess.PIPE, text=True)
+ stdout_dependency, stderr_dependency =
proc_get_dependency.communicate()
+ if not stdout_dependency:
+ raise RuntimeError(__('invalid process to list jshell dependencies
library'))
+
+ # execute java testing code thru jshell and read output
+ proc_java_arrow_code = subprocess.Popen(['echo', '' + code],
stdout=subprocess.PIPE)
+ proc_jshell_process = subprocess.Popen(['jshell', '--class-path',
stdout_dependency, '-'], stdin=proc_java_arrow_code.stdout,
stdout=subprocess.PIPE, text=True)
Review comment:
I just try to delete echo, but this is not working as expected.
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