From 420399742dafe8830a41cf69e7d0c5a4334cdf2c Mon Sep 17 00:00:00 2001
From: "Steven R. Loomis" <srl295@gmail.com>
Date: Wed, 23 Aug 2023 18:43:25 -0500
Subject: [PATCH] CLDR-16393 assume cldr-archive is present for tests

- UNLESS -DNO_CLDR_ARCHIVE=true is set
---
 .../unicode/cldr/unittest/TestTransforms.java |  6 +--
 .../unicode/cldr/unittest/TestValidity.java   |  7 ++--
 .../org/unicode/cldr/util/TestCLDRPaths.java  | 38 +++++++++++++++++++
 3 files changed, 45 insertions(+), 6 deletions(-)
 create mode 100644 tools/cldr-code/src/test/java/org/unicode/cldr/util/TestCLDRPaths.java

diff --git a/tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestTransforms.java b/tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestTransforms.java
index ac24170b197..6cf49f3615c 100644
--- a/tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestTransforms.java
+++ b/tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestTransforms.java
@@ -46,6 +46,7 @@
 import org.unicode.cldr.util.Pair;
 import org.unicode.cldr.util.PathUtilities;
 import org.unicode.cldr.util.StandardCodes;
+import org.unicode.cldr.util.TestCLDRPaths;
 import org.unicode.cldr.util.UnicodeRelation;
 import org.unicode.cldr.util.XMLFileReader;
 import org.unicode.cldr.util.XPathParts;
@@ -398,9 +399,8 @@ public void TestTransformIDs() {
             checkTransformID(entry.getKey(), entry.getValue());
         }
 
-        // Only run the rest in exhaustive mode since it requires CLDR_ARCHIVE_DIRECTORY.
-        if (getInclusion() <= 5) {
-            return;
+        if (!TestCLDRPaths.canUseArchiveDirectory()) {
+            return; // skipped
         }
 
         Set<String> removedTransforms = new HashSet<>();
diff --git a/tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestValidity.java b/tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestValidity.java
index c83bc34e715..8aec70a944f 100644
--- a/tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestValidity.java
+++ b/tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestValidity.java
@@ -33,6 +33,7 @@
 import org.unicode.cldr.util.StandardCodes;
 import org.unicode.cldr.util.StandardCodes.LstrField;
 import org.unicode.cldr.util.StandardCodes.LstrType;
+import org.unicode.cldr.util.TestCLDRPaths;
 import org.unicode.cldr.util.TransliteratorUtilities;
 import org.unicode.cldr.util.Units;
 import org.unicode.cldr.util.Validity;
@@ -143,10 +144,10 @@ public void TestBasicValidity() {
     static final Set<String> ALLOWED_REGULAR_TO_SPECIAL = ImmutableSet.of("Zanb", "Zinh", "Zyyy");
 
     public void TestCompatibility() {
-        // Only run the rest in exhaustive mode, since it requires CLDR_ARCHIVE_DIRECTORY
-        if (getInclusion() <= 5) {
-            return;
+        if (!TestCLDRPaths.canUseArchiveDirectory()) {
+            return; // skipped
         }
+
         Set<String> messages = new HashSet<>();
         File archive = new File(CLDRPaths.ARCHIVE_DIRECTORY);
         for (File cldrArchive : archive.listFiles()) {
diff --git a/tools/cldr-code/src/test/java/org/unicode/cldr/util/TestCLDRPaths.java b/tools/cldr-code/src/test/java/org/unicode/cldr/util/TestCLDRPaths.java
new file mode 100644
index 00000000000..09b4ac35bdd
--- /dev/null
+++ b/tools/cldr-code/src/test/java/org/unicode/cldr/util/TestCLDRPaths.java
@@ -0,0 +1,38 @@
+package org.unicode.cldr.util;
+
+import java.io.File;
+import org.junit.jupiter.api.Test;
+
+public class TestCLDRPaths {
+
+    @Test
+    void TestCanUseArchiveDirectory() {
+        if (!canUseArchiveDirectory()) {
+            // We print this warning as part of the unit tests.
+            System.err.println(
+                    "WARNING: skipping using cldr-archive. Ideally, -DNO_CLDR_ARCHIVE=false and see <https://cldr.unicode.org/development/creating-the-archive>");
+        }
+    }
+
+    /**
+     * @return true if it's OK to read CLDRPaths.ARCHIVE_DIRECTORY, false to skip.
+     */
+    public static final boolean canUseArchiveDirectory() {
+        if (CLDRConfig.getInstance().getProperty("NO_CLDR_ARCHIVE", false)) {
+            return false; // skip, NO_CLDR_ARCHIVE is set.
+        }
+
+        final File archiveDir = new File(CLDRPaths.ARCHIVE_DIRECTORY);
+        if (!archiveDir.isDirectory()) {
+            throw new IllegalArgumentException(
+                    String.format(
+                            "Could not read archive directory %s. "
+                                    + "Please: "
+                                    + "1) setup the archive, <https://cldr.unicode.org/development/creating-the-archive>, "
+                                    + "2) set the -DARCHIVE= property to the correct archive location, or "
+                                    + "3) inhibit reading of cldr-archive with -DNO_CLDR_ARCHIVE=true",
+                            archiveDir.getAbsolutePath()));
+        }
+        return true; // OK to use
+    }
+}