Added tests for log subscriber [skip ci]

Andrew Kane
1 parent bffa6458
Showing 1 changed file with 41 additions and 0 deletions Show diff stats
test/log_subscriber_test.rb
@@ -0,0 +1,41 @@
+require_relative "test_helper"
+
+class LogSubscriberTest < Minitest::Test
+  def test_create
+    output = capture_logs do
+      Product.create!(name: "Product A")
+    end
+    assert_match "Product Store", output
+  end
+
+  def test_update
+    product = Product.create!(name: "Product A")
+    output = capture_logs do
+      product.update!(name: "Product B")
+    end
+    assert_match "Product Store", output
+  end
+
+  def test_destroy
+    product = Product.create!(name: "Product A")
+    output = capture_logs do
+      product.destroy
+    end
+    assert_match "Product Remove", output
+  end
+
+  def capture_logs
+    previous_logger = ActiveSupport::LogSubscriber.logger
+    io = StringIO.new
+    begin
+      ActiveSupport::LogSubscriber.logger = ActiveSupport::Logger.new(io)
+      yield
+      io.rewind
+      output = io.read
+      previous_logger.debug(output) if previous_logger
+      output
+    ensure
+      ActiveSupport::LogSubscriber.logger = previous_logger
+    end
+  end
+end
...	...	@@ -0,0 +1,41 @@
	1	+require_relative "test_helper"
	2	+
	3	+class LogSubscriberTest < Minitest::Test
	4	+ def test_create
	5	+ output = capture_logs do
	6	+ Product.create!(name: "Product A")
	7	+ end
	8	+ assert_match "Product Store", output
	9	+ end
	10	+
	11	+ def test_update
	12	+ product = Product.create!(name: "Product A")
	13	+ output = capture_logs do
	14	+ product.update!(name: "Product B")
	15	+ end
	16	+ assert_match "Product Store", output
	17	+ end
	18	+
	19	+ def test_destroy
	20	+ product = Product.create!(name: "Product A")
	21	+ output = capture_logs do
	22	+ product.destroy
	23	+ end
	24	+ assert_match "Product Remove", output
	25	+ end
	26	+
	27	+ def capture_logs
	28	+ previous_logger = ActiveSupport::LogSubscriber.logger
	29	+ io = StringIO.new
	30	+ begin
	31	+ ActiveSupport::LogSubscriber.logger = ActiveSupport::Logger.new(io)
	32	+ yield
	33	+ io.rewind
	34	+ output = io.read
	35	+ previous_logger.debug(output) if previous_logger
	36	+ output
	37	+ ensure
	38	+ ActiveSupport::LogSubscriber.logger = previous_logger
	39	+ end
	40	+ end
	41	+end
...	...