test all Activity logic.

lib/trailblazer/test/assertion.rb

@@ -63,7 +63,9 @@ def self.invoke_activity(ctx, operation:, **)
         end
 
         def self.invoke_activity_with_tracing(ctx, operation:, **)
-          raise
+          signal, (ctx, _) = Developer::Wtf.invoke(operation, [ctx, {}])
+
+          return signal, ctx
         end
 
         module Assert

lib/trailblazer/test/assertion/assert_fail.rb

@@ -38,7 +38,7 @@ def arguments_for_assert_contract_errors(signal, ctx, contract_name:, expected_e
 
           raise ExpectedErrorsTypeError, "expected_errors has to be an Array or Hash" unless expected_errors.is_a?(Array) || with_messages # TODO: test me!
 
-          errors = ctx["contract.#{contract_name}"].errors.messages # TODO: this will soon change with the operation Errors object.
+          errors = ctx[:"contract.#{contract_name}"].errors.messages # TODO: this will soon change with the operation Errors object.
 
           if with_messages
             expected_errors = expected_errors.collect { |k, v| [k, Array(v)] }.to_h

test/assertion_test.rb

@@ -341,7 +341,10 @@ class Create < Trailblazer::Activity::FastTrack
     step :model
 
     def validate(ctx, params:, **)
-      params[:title]
+      return true if params[:title]
+
+      ctx[:"contract.default"] = Struct.new(:errors).new(Struct.new(:messages).new({:title => ["is missing"]}))
+      false
     end
 
     def model(ctx, params:, **)
@@ -357,23 +360,16 @@ def model(ctx, params:, **)
     assert_pass Create, {params: {title: "Roxanne"}},
       title: "Roxanne"
   end
+
+  it do
+    assert_fail Create, {params: {}}, [:title]
+  end
 end
 
+# Test with the Assertion::Suite "DSL" module.
 class AssertionActivitySuiteTest < Minitest::Spec
   Record = AssertionsTest::Record
-
-  class Create < Trailblazer::Activity::FastTrack
-    step :validate
-    step :model
-
-    def validate(ctx, params:, **)
-      params[:title]
-    end
-
-    def model(ctx, params:, **)
-      ctx[:model] = Record.new(**params)
-    end
-  end
+  Create = AssertionActivityTest::Create
 
   include Trailblazer::Test::Assertion::Suite
   include Trailblazer::Test::Assertion::Activity::Assert
@@ -382,6 +378,27 @@ def model(ctx, params:, **)
   let(:operation) { Create }
 
   it do
-    assert_pass?({params: {title: "Roxanne"}}, {title: "Roxanne"})
+    out, _ = capture_io do
+      assert_pass?({title: "Roxanne"}, {title: "Roxanne"})
+    end
+
+    assert_equal out, %(AssertionActivityTest::Create
+|-- \e[32mStart.default\e[0m
+|-- \e[32mvalidate\e[0m
+|-- \e[32mmodel\e[0m
+`-- End.success
+)
+  end
+
+  it "{#assert_fail} with wtf?" do
+    out, _ = capture_io do
+      assert_fail?({title: nil}, [:title])
+    end
+
+    assert_equal out, %(AssertionActivityTest::Create
+|-- \e[32mStart.default\e[0m
+|-- \e[33mvalidate\e[0m
+`-- End.failure
+)
   end
 end