fix: removes default values from cache stack option (#28310)

* fix: removes default values from cache stack option

also adding a way to update expected files

Signed-off-by: Steve Hawkins <shawkins@redhat.com>

quarkus/README.md

@@ -111,3 +111,11 @@ To use a specific database container image, use the option `-Dkc.db.postgresql.c
 Example:
 
     ../mvnw clean install -Dkc.test.storage.database=true -Dtest=PostgreSQLDistTest -Dkc.db.postgresql.container.image=postgres:alpine
+    
+### Updating Expectations
+
+Changing to the help output will cause HelpCommandDistTest to fail. You may use:
+
+    KEYCLOAK_REPLACE_EXPECTED=true ../mvnw clean install -Dtest=HelpCommandDistTest 
+
+to replace the expected output, then use a diff to ensure the changes look good.

quarkus/config-api/src/main/java/org/keycloak/config/CachingOptions.java

@@ -1,6 +1,9 @@
 package org.keycloak.config;
 
 import java.io.File;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 public class CachingOptions {
 
@@ -47,8 +50,9 @@ public class CachingOptions {
 
     public static final Option<Stack> CACHE_STACK = new OptionBuilder<>("cache-stack", Stack.class)
             .category(OptionCategory.CACHE)
+            .expectedValues(List.of())
             .description("Define the default stack to use for cluster communication and node discovery. This option only takes effect "
-                    + "if 'cache' is set to 'ispn'. Default: udp.")
+                    + "if 'cache' is set to 'ispn'. Default: udp. Built-in values include: " + Stream.of(Stack.values()).map(Stack::name).collect(Collectors.joining(", ")))
             .buildTime(true)
             .build();
 

quarkus/tests/integration/src/test/java/org/keycloak/it/cli/dist/ClusterConfigDistTest.java

@@ -62,9 +62,9 @@ public class ClusterConfigDistTest {
     }
 
     @Test
-    @Launch({ "build", "--cache-stack=invalid" })
+    @Launch({ "start-dev", "--cache=ispn", "--cache-stack=invalid" })
     void failInvalidClusterStack(LaunchResult result) {
-        assertTrue(result.getErrorOutput().contains("Invalid value for option '--cache-stack': invalid. Expected values are: tcp, udp, kubernetes, ec2, azure, google"));
+        assertTrue(result.getOutput().contains("No such JGroups stack 'invalid'"));
     }
 
     @Test

quarkus/tests/integration/src/test/java/org/keycloak/it/cli/dist/HelpCommandDistTest.java

@@ -18,23 +18,23 @@
 package org.keycloak.it.cli.dist;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotEquals;
 import static org.keycloak.it.cli.dist.GelfRemovedTest.INCLUDE_GELF_PROPERTY;
 import static org.keycloak.quarkus.runtime.cli.command.AbstractStartCommand.OPTIMIZED_BUILD_OPTION_LONG;
 
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.util.List;
 import java.util.Locale;
 import java.util.regex.Pattern;
 
+import org.apache.commons.io.FileUtils;
 import org.approvaltests.Approvals;
-import org.approvaltests.namer.NamedEnvironment;
 import org.hamcrest.MatcherAssert;
 import org.hamcrest.Matchers;
 import org.junit.jupiter.api.Assumptions;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.condition.OS;
-import org.keycloak.it.approvaltests.KcNamerFactory;
 import org.keycloak.it.junit5.extension.CLIResult;
 import org.keycloak.it.junit5.extension.DistributionTest;
 import org.keycloak.it.junit5.extension.RawDistOnly;
@@ -52,6 +52,8 @@ import io.quarkus.test.junit.main.LaunchResult;
 @RawDistOnly(reason = "Verifying the help message output doesn't need long spin-up of docker dist tests.")
 public class HelpCommandDistTest {
 
+    public static final String REPLACE_EXPECTED = "KEYCLOAK_REPLACE_EXPECTED";
+
     @BeforeAll
     public static void assumeGelfEnabled() {
         Assumptions.assumeTrue(Boolean.getBoolean(INCLUDE_GELF_PROPERTY), "Assume GELF support is given in order to simplify these test cases");
@@ -176,23 +178,32 @@ public class HelpCommandDistTest {
     }
 
     private void assertHelp(CLIResult result) {
+        // normalize the output to prevent changes around the feature toggles to mark the output to differ
+        String output = result.getOutput().replaceAll("((Disables|Enables) a set of one or more features. Possible values are: )[^.]{30,}", "$1<...>");
+
+        String osName = System.getProperty("os.name");
+        if(osName.toLowerCase(Locale.ROOT).contains("windows")) {
+            // On Windows, all output should have at least one "kc.bat" in it.
+            MatcherAssert.assertThat(output, Matchers.containsString("kc.bat"));
+            output = output.replaceAll("kc.bat", "kc.sh");
+            output = output.replaceAll(Pattern.quote("data\\log\\"), "data/log/");
+            // line wrap which looks differently due to ".bat" vs. ".sh"
+            output = output.replaceAll("including\nbuild ", "including build\n");
+        }
+
         try {
-            // normalize the output to prevent changes around the feature toggles to mark the output to differ
-            String output = result.getOutput().replaceAll("((Disables|Enables) a set of one or more features. Possible values are: )[^.]{30,}", "$1<...>");
-
-            String osName = System.getProperty("os.name");
-            if(osName.toLowerCase(Locale.ROOT).contains("windows")) {
-                // On Windows, all output should have at least one "kc.bat" in it.
-                MatcherAssert.assertThat(output, Matchers.containsString("kc.bat"));
-                output = output.replaceAll("kc.bat", "kc.sh");
-                output = output.replaceAll(Pattern.quote("data\\log\\"), "data/log/");
-                // line wrap which looks differently due to ".bat" vs. ".sh"
-                output = output.replaceAll("including\nbuild ", "including build\n");
-            }
-
             Approvals.verify(output);
-        } catch (Exception cause) {
-            throw new RuntimeException("Failed to assert help", cause);
+        } catch (AssertionError cause) {
+            if ("true".equals(System.getenv(REPLACE_EXPECTED))) {
+                try {
+                    FileUtils.write(Approvals.createApprovalNamer().getApprovedFile(".txt"), output,
+                            StandardCharsets.UTF_8);
+                } catch (IOException e) {
+                    throw new RuntimeException("Failed to assert help, and could not replace expected", cause);
+                }
+            } else {
+                throw cause;
+            }
         }
     }
 }

quarkus/tests/integration/src/test/resources/org/keycloak/it/cli/dist/approvals/cli/help/HelpCommandDistTest.testBuildHelp.approved.txt

@@ -30,7 +30,7 @@ Cache:
 --cache-stack <stack>
                      Define the default stack to use for cluster communication and node discovery.
                        This option only takes effect if 'cache' is set to 'ispn'. Default: udp.
-                       Possible values are: tcp, udp, kubernetes, ec2, azure, google.
+                       Built-in values include: tcp, udp, kubernetes, ec2, azure, google
 
 Database:
 

quarkus/tests/integration/src/test/resources/org/keycloak/it/cli/dist/approvals/cli/help/HelpCommandDistTest.testStartDevHelp.approved.txt

@@ -64,7 +64,7 @@ Cache:
 --cache-stack <stack>
                      Define the default stack to use for cluster communication and node discovery.
                        This option only takes effect if 'cache' is set to 'ispn'. Default: udp.
-                       Possible values are: tcp, udp, kubernetes, ec2, azure, google.
+                       Built-in values include: tcp, udp, kubernetes, ec2, azure, google
 
 Config:
 

quarkus/tests/integration/src/test/resources/org/keycloak/it/cli/dist/approvals/cli/help/HelpCommandDistTest.testStartDevHelpAll.approved.txt

@@ -67,7 +67,7 @@ Cache:
 --cache-stack <stack>
                      Define the default stack to use for cluster communication and node discovery.
                        This option only takes effect if 'cache' is set to 'ispn'. Default: udp.
-                       Possible values are: tcp, udp, kubernetes, ec2, azure, google.
+                       Built-in values include: tcp, udp, kubernetes, ec2, azure, google
 
 Config:
 

quarkus/tests/integration/src/test/resources/org/keycloak/it/cli/dist/approvals/cli/help/HelpCommandDistTest.testStartHelp.approved.txt

@@ -65,7 +65,7 @@ Cache:
 --cache-stack <stack>
                      Define the default stack to use for cluster communication and node discovery.
                        This option only takes effect if 'cache' is set to 'ispn'. Default: udp.
-                       Possible values are: tcp, udp, kubernetes, ec2, azure, google.
+                       Built-in values include: tcp, udp, kubernetes, ec2, azure, google
 
 Config:
 

quarkus/tests/integration/src/test/resources/org/keycloak/it/cli/dist/approvals/cli/help/HelpCommandDistTest.testStartHelpAll.approved.txt

@@ -68,7 +68,7 @@ Cache:
 --cache-stack <stack>
                      Define the default stack to use for cluster communication and node discovery.
                        This option only takes effect if 'cache' is set to 'ispn'. Default: udp.
-                       Possible values are: tcp, udp, kubernetes, ec2, azure, google.
+                       Built-in values include: tcp, udp, kubernetes, ec2, azure, google
 
 Config: