test: Add validation tests for Pack Package step

octopus-server/src/test/java/octopus/teamcity/server/OctopusPackPackageRunTypeValidationTest.java

@@ -0,0 +1,66 @@
+package octopus.teamcity.server;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.mock;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+import jetbrains.buildServer.serverSide.InvalidProperty;
+import jetbrains.buildServer.serverSide.RunTypeRegistry;
+import jetbrains.buildServer.web.openapi.PluginDescriptor;
+import octopus.teamcity.common.OctopusConstants;
+import org.junit.jupiter.api.Test;
+
+class OctopusPackPackageRunTypeValidationTest {
+  private static final OctopusConstants CONSTANTS = new OctopusConstants();
+
+  private Collection<String> validate(final Map<String, String> properties) {
+    final OctopusPackPackageRunType runType =
+        new OctopusPackPackageRunType(mock(RunTypeRegistry.class), mock(PluginDescriptor.class));
+    return runType.getRunnerPropertiesProcessor().process(properties).stream()
+        .map(InvalidProperty::getPropertyName)
+        .collect(Collectors.toList());
+  }
+
+  private Map<String, String> withAllMandatoryFields(final Map<String, String> properties) {
+    properties.put(CONSTANTS.getPackageIdKey(), "Acme.Web");
+    properties.put(CONSTANTS.getPackageFormatKey(), "NuPkg");
+    properties.put(CONSTANTS.getPackageVersionKey(), "1.0.0");
+    properties.put(CONSTANTS.getPackageSourcePathKey(), "bin");
+    properties.put(CONSTANTS.getPackageOutputPathKey(), "out");
+    return properties;
+  }
+
+  @Test
+  void allMandatoryFieldsIsValid() {
+    assertThat(validate(withAllMandatoryFields(new HashMap<>()))).isEmpty();
+  }
+
+  @Test
+  void emptyPropertiesReportsEveryMandatoryField() {
+    assertThat(validate(new HashMap<>()))
+        .containsExactlyInAnyOrder(
+            CONSTANTS.getPackageIdKey(),
+            CONSTANTS.getPackageFormatKey(),
+            CONSTANTS.getPackageVersionKey(),
+            CONSTANTS.getPackageSourcePathKey(),
+            CONSTANTS.getPackageOutputPathKey());
+  }
+
+  @Test
+  void missingPackageIdIsInvalid() {
+    final Map<String, String> properties = withAllMandatoryFields(new HashMap<>());
+    properties.remove(CONSTANTS.getPackageIdKey());
+    assertThat(validate(properties)).containsExactly(CONSTANTS.getPackageIdKey());
+  }
+
+  @Test
+  void blankPackageVersionIsInvalid() {
+    final Map<String, String> properties = withAllMandatoryFields(new HashMap<>());
+    properties.put(CONSTANTS.getPackageVersionKey(), "   ");
+    assertThat(validate(properties)).containsExactly(CONSTANTS.getPackageVersionKey());
+  }
+}