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runtime test/Go: Use $PATH and $GOROOT to find go executable.

This commit is contained in:
Wolfgang Johannes Kohnen 2016-05-21 22:51:36 +00:00
parent 3406acabe5
commit b6f384bf3c
1 changed files with 16 additions and 6 deletions
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22
runtime-testsuite/test/org/antlr/v4/test/runtime/go/BaseTest.java
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@ -418,10 +418,21 @@ public abstract class BaseTest {
}
private String locateTool(String tool) {
String[] roots = { "/usr/bin/", "/usr/local/bin/", "/usr/local/go/bin/" };
for (String root : roots) {
if (new File(root + tool).exists()) {
return root + tool;
ArrayList<String> paths = new ArrayList<String>(); // default cap is about right
String pathEnv = System.getenv("PATH");
if (pathEnv != null) {
paths.addAll(Arrays.asList(pathEnv.split(pathSep)));
}
String goroot = System.getenv("GOROOT");
if (goroot != null) {
paths.add(goroot + File.separatorChar + "bin");
}
for (String path : paths) {
File candidate = new File(path + File.separatorChar + tool);
if (candidate.exists()) {
return candidate.getPath();
}
}
return null;
@ -434,8 +445,7 @@ public abstract class BaseTest {
if (prop == null || prop.length() == 0) {
prop = locateTool("go");
}
File file = new File(prop);
if (!file.exists()) {
if (prop == null) {
throw new RuntimeException("Missing system property:" + propName);
}
return prop;