diff --git a/engines/dfc_provider/spec/services/variant_fetcher_spec.rb b/engines/dfc_provider/spec/services/variant_fetcher_spec.rb
new file mode 100644
index 0000000000..8a7adebc15
--- /dev/null
+++ b/engines/dfc_provider/spec/services/variant_fetcher_spec.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+require DfcProvider::Engine.root.join("spec/spec_helper")
+
+describe VariantFetcher do
+  subject { VariantFetcher.new(enterprise) }
+  let(:enterprise) { build(:enterprise) }
+  let(:other_enterprise) { build(:enterprise) }
+
+  it "returns an empty set" do
+    expect(subject.scope).to eq []
+  end
+
+  it "returns the variants of a supplier" do
+    product = create(:product, supplier: enterprise)
+
+    pending "ignoring of the master variant"
+    # it currently returns two variants instead of one
+    expect(subject.scope.count).to eq 1
+    expect(subject.scope).to eq product.variants
+  end
+
+  it "ignores the variants of another enterprise" do
+    create(:product, supplier: other_enterprise)
+
+    expect(subject.scope).to eq []
+  end
+end