click 0.3.2 (new formula)

Closes #26177.

Signed-off-by: FX Coudert <fxcoudert@gmail.com>

Formula/click.rb

@@ -0,0 +1,58 @@
+class Click < Formula
+  desc "The command-line interactive controller for Kubernetes"
+  homepage "https://github.com/databricks/click"
+  url "https://github.com/databricks/click/archive/v0.3.2.tar.gz"
+  sha256 "eed648409bf78a05658a9d097e5099ca17bf19df70122e2067859ae94c5575d5"
+
+  depends_on "rust" => :build
+
+  def install
+    system "cargo", "install", "--root", prefix
+  end
+
+  test do
+    mkdir testpath/"config"
+    # Default state configuration file to avoid warning on startup
+    (testpath/"config/click.config").write <<~EOS
+      ---
+      namespace: ~
+      context: ~
+      editor: ~
+      terminal: ~
+    EOS
+
+    # Fake K8s configuration
+    (testpath/"config/config").write <<~EOS
+      apiVersion: v1
+      clusters:
+        - cluster:
+            insecure-skip-tls-verify: true
+            server: 'https://localhost:6443'
+          name: test-cluster
+      contexts:
+        - context:
+            cluster: test-cluster
+            user: test-user
+          name: test-context
+      current-context: test-context
+      kind: Config
+      preferences:
+        colors: true
+      users:
+        - name: test-cluster
+          user:
+            client-certificate-data: >-
+              invalid
+            client-key-data: >-
+              invalid
+    EOS
+
+    # This test cannot test actual K8s connectivity, but it is enough to prove click starts
+    (testpath/"click-test").write <<~EOS
+      spawn "#{bin}/click" --config_dir "#{testpath}/config"
+      expect "*\\[*none*\\]* *\\[*none*\\]* *\\[*none*\\]* >"
+      send "quit\\r"
+    EOS
+    system "expect", "-f", "click-test"
+  end
+end