1 files changed, 42 insertions, 0 deletions
diff --git a/spec/validators/kubernetes_container_resources_validator_spec.rb b/spec/validators/kubernetes_container_resources_validator_spec.rb
new file mode 100644
index 00000000000..aea561bafb9
--- /dev/null
+++ b/spec/validators/kubernetes_container_resources_validator_spec.rb
@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe KubernetesContainerResourcesValidator, feature_category: :shared do
+  let(:model) do
+    Class.new do
+      include ActiveModel::Model
+      include ActiveModel::Validations
+
+      attr_accessor :resources
+      alias_method :resources_before_type_cast, :resources
+
+      validates :resources, kubernetes_container_resources: true
+    end.new
+  end
+
+  using RSpec::Parameterized::TableSyntax
+
+  # noinspection RubyMismatchedArgumentType - https://handbook.gitlab.com/handbook/tools-and-tips/editors-and-ides/jetbrains-ides/tracked-jetbrains-issues/#ruby-32041
+  where(:resources, :validity, :errors) do
+    # rubocop:disable Layout/LineLength -- The RSpec table syntax often requires long lines for errors
+    nil                               | false | { resources: ["must be a hash"] }
+    ''                                | false | { resources: ["must be a hash"] }
+    {}                                | false | { resources: ["must be a hash containing 'cpu' and 'memory' attribute of type string"] }
+    { cpu: nil, memory: nil }         | false | { resources: ["'cpu: ' must be a string", "'memory: ' must be a string"] }
+    { cpu: "123di", memory: "123oi" } | false | { resources: ["'cpu: 123di' must match the regex '^(\\d+m|\\d+(\\.\\d*)?)$'", "'memory: 123oi' must match the regex '^\\d+(\\.\\d*)?([EPTGMK]|[EPTGMK]i)?$'"] }
+    { cpu: "123di", memory: "123oi" } | false | { resources: ["'cpu: 123di' must match the regex '^(\\d+m|\\d+(\\.\\d*)?)$'", "'memory: 123oi' must match the regex '^\\d+(\\.\\d*)?([EPTGMK]|[EPTGMK]i)?$'"] }
+    { cpu: "100m", memory: "123Mi" }  | true  | {}
+    # rubocop:enable Layout/LineLength
+  end
+
+  with_them do
+    before do
+      model.resources = resources
+      model.validate
+    end
+
+    it { expect(model.valid?).to eq(validity) }
+    it { expect(model.errors.messages).to eq(errors) }
+  end
+end