dongjoon-hyun commented on a change in pull request #28200:
[SPARK-31432][DEPLOY] bin/sbin scripts should allow to customize jars dir
URL: https://github.com/apache/spark/pull/28200#discussion_r409224445
##########
File path:
launcher/src/test/java/org/apache/spark/launcher/CommandBuilderUtilsSuite.java
##########
@@ -99,6 +111,56 @@ public void testJavaMajorVersion() {
assertEquals(10, javaMajorVersion("10"));
}
+ @Test
+ public void testFindJarsDir() throws IOException {
+ String tmpRoot = tempFolder.getRoot().toString();
+ String sparkHome = tempFolder.newFolder("spark", "home").getAbsolutePath();
+
+ // if SPARK_HOME/jars is missing and there is no dir to fallback, throws
IllegalStateException
+ try {
+ findJarsDir(sparkHome, "2.13", true);
+ } catch (IllegalStateException e) {
+ assertEquals(
+ "Library directory '" + sparkHome +
+ "/assembly/target/scala-2.13/jars' does not exist; make sure Spark is
built.",
+ e.getMessage());
+ }
+
+ // but if failIfNotFound is false, return null without exception
+ assertEquals(null, findJarsDir(sparkHome, "2.13", false));
+
+ // if we have built jars dir, use it as jars dir
+ tempFolder.newFolder("spark", "home", "assembly", "target", "scala-2.13",
"jars");
+ assertEquals(join(File.separator, tmpRoot, "spark", "home", "assembly",
"target",
+ "scala-2.13", "jars"), findJarsDir(sparkHome, "2.13", true));
+
+ // if we have SPARK_HOME/jars, use it as jars dir
+ tempFolder.newFolder("spark", "home", "jars");
+ assertEquals(
+ join(File.separator, tmpRoot, "spark", "home", "jars"),
+ findJarsDir(sparkHome, "2.13", true));
+
+ // if we have SPARK_JARS_DIR, use it as jars dir
+ File spefifiedJarsDir = tempFolder.newFolder("jars-dir");
+ environmentVariables.set("SPARK_JARS_DIR",
spefifiedJarsDir.getAbsolutePath());
Review comment:
`"SPARK_JARS_DIR"` -> `ENV_SPARK_JARS_DIR`.
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