Extract Kamal::EnvFile

Cleaning up the Utils junk drawer.

test/env_file_test.rb

@@ -0,0 +1,102 @@
+require "test_helper"
+
+class EnvFileTest < ActiveSupport::TestCase
+  test "env file simple" do
+    env = {
+      "foo" => "bar",
+      "baz" => "haz"
+    }
+
+    assert_equal "foo=bar\nbaz=haz\n", \
+      Kamal::EnvFile.new(env).to_s
+  end
+
+  test "env file clear" do
+    env = {
+      "clear" => {
+        "foo" => "bar",
+        "baz" => "haz"
+      }
+    }
+
+    assert_equal "foo=bar\nbaz=haz\n", \
+      Kamal::EnvFile.new(env).to_s
+  end
+
+  test "env file empty" do
+    assert_equal "\n", Kamal::EnvFile.new({}).to_s
+  end
+
+  test "env file secret" do
+    ENV["PASSWORD"] = "hello"
+    env = {
+      "secret" => [ "PASSWORD" ]
+    }
+
+    assert_equal "PASSWORD=hello\n", \
+      Kamal::EnvFile.new(env).to_s
+  ensure
+    ENV.delete "PASSWORD"
+  end
+
+  test "env file secret escaped newline" do
+    ENV["PASSWORD"] = "hello\\nthere"
+    env = {
+      "secret" => [ "PASSWORD" ]
+    }
+
+    assert_equal "PASSWORD=hello\\\\nthere\n", \
+      Kamal::EnvFile.new(env).to_s
+  ensure
+    ENV.delete "PASSWORD"
+  end
+
+  test "env file secret newline" do
+    ENV["PASSWORD"] = "hello\nthere"
+    env = {
+      "secret" => [ "PASSWORD" ]
+    }
+
+    assert_equal "PASSWORD=hello\\nthere\n", \
+      Kamal::EnvFile.new(env).to_s
+  ensure
+    ENV.delete "PASSWORD"
+  end
+
+  test "env file missing secret" do
+    env = {
+      "secret" => [ "PASSWORD" ]
+    }
+
+    assert_raises(KeyError) { Kamal::EnvFile.new(env).to_s }
+
+  ensure
+    ENV.delete "PASSWORD"
+  end
+
+  test "env file secret and clear" do
+    ENV["PASSWORD"] = "hello"
+    env = {
+      "secret" => [ "PASSWORD" ],
+      "clear" => {
+        "foo" => "bar",
+        "baz" => "haz"
+      }
+    }
+
+    assert_equal "PASSWORD=hello\nfoo=bar\nbaz=haz\n", \
+      Kamal::EnvFile.new(env).to_s
+  ensure
+    ENV.delete "PASSWORD"
+  end
+
+  test "stringIO conversion" do
+    env = {
+      "foo" => "bar",
+      "baz" => "haz"
+    }
+
+    assert_equal "foo=bar\nbaz=haz\n", \
+      StringIO.new(Kamal::EnvFile.new(env)).read
+  end
+end

test/utils_test.rb

@@ -11,95 +11,6 @@ class UtilsTest < ActiveSupport::TestCase
       Kamal::Utils.argumentize("--label", { foo: "bar" }, sensitive: true).last
   end
 
-  test "env file simple" do
-    env = {
-      "foo" => "bar",
-      "baz" => "haz"
-    }
-
-    assert_equal "foo=bar\nbaz=haz\n", \
-      Kamal::Utils.env_file_with_secrets(env)
-  end
-
-  test "env file clear" do
-    env = {
-      "clear" => {
-        "foo" => "bar",
-        "baz" => "haz"
-      }
-    }
-
-    assert_equal "foo=bar\nbaz=haz\n", \
-      Kamal::Utils.env_file_with_secrets(env)
-  end
-
-  test "env file empty" do
-    assert_equal "\n", Kamal::Utils.env_file_with_secrets({})
-  end
-
-  test "env file secret" do
-    ENV["PASSWORD"] = "hello"
-    env = {
-      "secret" => [ "PASSWORD" ]
-    }
-
-    assert_equal "PASSWORD=hello\n", \
-      Kamal::Utils.env_file_with_secrets(env)
-  ensure
-    ENV.delete "PASSWORD"
-  end
-
-  test "env file secret escaped newline" do
-    ENV["PASSWORD"] = "hello\\nthere"
-    env = {
-      "secret" => [ "PASSWORD" ]
-    }
-
-    assert_equal "PASSWORD=hello\\\\nthere\n", \
-      Kamal::Utils.env_file_with_secrets(env)
-  ensure
-    ENV.delete "PASSWORD"
-  end
-
-  test "env file secret newline" do
-    ENV["PASSWORD"] = "hello\nthere"
-    env = {
-      "secret" => [ "PASSWORD" ]
-    }
-
-    assert_equal "PASSWORD=hello\\nthere\n", \
-      Kamal::Utils.env_file_with_secrets(env)
-  ensure
-    ENV.delete "PASSWORD"
-  end
-
-  test "env file missing secret" do
-    env = {
-      "secret" => [ "PASSWORD" ]
-    }
-
-    assert_raises(KeyError) { Kamal::Utils.env_file_with_secrets(env) }
-
-  ensure
-    ENV.delete "PASSWORD"
-  end
-
-  test "env file secret and clear" do
-    ENV["PASSWORD"] = "hello"
-    env = {
-      "secret" => [ "PASSWORD" ],
-      "clear" => {
-        "foo" => "bar",
-        "baz" => "haz"
-      }
-    }
-
-    assert_equal "PASSWORD=hello\nfoo=bar\nbaz=haz\n", \
-      Kamal::Utils.env_file_with_secrets(env)
-  ensure
-    ENV.delete "PASSWORD"
-  end
-
   test "optionize" do
     assert_equal [ "--foo", "\"bar\"", "--baz", "\"qux\"", "--quux" ], \
       Kamal::Utils.optionize({ foo: "bar", baz: "qux", quux: true })