#399

backend/spec/tasks/nico_sync_spec.rb

@@ -73,11 +73,11 @@ RSpec.describe "nico:sync" do
     Tag.tagme
 
     stub_python([{ 'code' => 'sm9', 'title' => 't', 'tags' => [] }])
-    allow(URI).to receive(:open)
-        .and_return(
-            StringIO.new(
-                '<meta name="thumbnail" content="https://example.com/thumb.jpg">'))
-    expect(post).to receive(:attach_thumbnail_from_url!)
+    allow(URI).to receive(:open) do
+      StringIO.new(
+          '<meta name="thumbnail" content="https://example.com/thumb.jpg">')
+    end
+    expect_any_instance_of(Post).to receive(:attach_thumbnail_from_url!)
         .with('https://example.com/thumb.jpg')
 
     run_rake_task('nico:sync')
@@ -92,18 +92,20 @@ RSpec.describe "nico:sync" do
     Tag.tagme
 
     stub_python([{ 'code' => 'sm9', 'title' => 't', 'tags' => [] }])
-    allow(URI).to receive(:open)
-        .and_return(
-            StringIO.new(
-                '<meta name="thumbnail" content="https://example.com/thumb.jpg">'))
-    expect(post).to receive(:attach_thumbnail_from_url!)
-        .with('https://example.com/thumb.jpg')
-        .twice
-        .and_raise(Post::RemoteThumbnailFetchFailed, 'failed')
+    allow(URI).to receive(:open) do
+      StringIO.new(
+          '<meta name="thumbnail" content="https://example.com/thumb.jpg">')
+    end
+    calls = 0
+    allow_any_instance_of(Post).to receive(:attach_thumbnail_from_url!) do
+      calls += 1
+      raise Post::RemoteThumbnailFetchFailed, 'failed'
+    end
 
     2.times do
       run_rake_task('nico:sync')
     end
+    expect(calls).to eq(2)
   end
 
   it "既存 post にあった古い nico tag は active から外され、履歴として discard される" do