davisusanibar commented on a change in pull request #131:
URL: https://github.com/apache/arrow-cookbook/pull/131#discussion_r790886501
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File path: java/ext/javadoctest.py
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@@ -0,0 +1,92 @@
+import os
+import pathlib
+import subprocess
+
+from sphinx.ext.doctest import (Any, Dict, DocTestBuilder, TestcodeDirective,
+ TestoutputDirective, doctest, sphinx)
+from sphinx.locale import __
+
+
+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
+ path_arrow_project = os.path.join(pathlib.Path.cwd(), "source", "demo")
+
+ # create list of all arrow jar dependencies
+ subprocess.check_call(
+ [
+ "mvn",
+ "-q",
+ "dependency:build-classpath",
+ "-DincludeTypes=jar",
+ "-Dmdep.outputFile=.cp.tmp",
+ ],
+ cwd=path_arrow_project,
+ text=True,
+ )
+ if not os.path.exists(path_arrow_project + "/.cp.tmp"):
+ raise RuntimeError(
+ __("invalid process to create jshell dependencies library")
+ )
+
+ # get list of all arrow jar dependencies
+ with open(os.path.join(path_arrow_project, ".cp.tmp")) as f:
+ stdout_dependency = f.read()
+ if not stdout_dependency:
+ raise RuntimeError(
+ __("invalid process to list jshell dependencies library")
+ )
+
+ # execute java testing code thru jshell and read output
+ proc_jshell_process = subprocess.Popen(
+ ["jshell", "--class-path", stdout_dependency, "-"],
+ stdin=subprocess.PIPE,
+ stdout=subprocess.PIPE,
+ text=True,
+ )
+ out_java_arrow, err_java_arrow = proc_jshell_process.communicate(code)
Review comment:
> I think that writing code to a temporary file in temporary directory
and then executing that temporary file might lead to a more robust solution.
Jshell also support to execute code inside a file *.jsh
Another option could be to copy all the code inside .. testcode to a file
cookbook-01.jsh and the execute `jshell open cookbook-01.jsh`
Please let me know if after use java 11 `-` is not working
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