Resolve dependency_expansion_spec violation

Library/Homebrew/test/dependency_expansion_spec.rb

@@ -6,7 +6,7 @@ require "dependency"
 describe Dependency do
   def build_dep(name, tags = [], deps = [])
     dep = described_class.new(name.to_s, tags)
-    allow(dep).to receive(:to_formula).and_return(double(deps: deps, name: name))
+    allow(dep).to receive(:to_formula).and_return(instance_double(Formula, deps: deps, name: name))
     dep
   end
 
@@ -15,7 +15,7 @@ describe Dependency do
   let(:baz) { build_dep(:baz) }
   let(:qux) { build_dep(:qux) }
   let(:deps) { [foo, bar, baz, qux] }
-  let(:formula) { double(deps: deps, name: "f") }
+  let(:formula) { instance_double(Formula, deps: deps, name: "f") }
 
   describe "::expand" do
     it "yields dependent and dependency pairs" do
@@ -44,20 +44,20 @@ describe Dependency do
     end
 
     it "preserves dependency order" do
-      allow(foo).to receive(:to_formula).and_return(double(name: "f", deps: [qux, baz]))
+      allow(foo).to receive(:to_formula).and_return(instance_double(Formula, name: "f", deps: [qux, baz]))
       expect(described_class.expand(formula)).to eq([qux, baz, foo, bar])
     end
   end
 
   it "skips optionals by default" do
     deps = [build_dep(:foo, [:optional]), bar, baz, qux]
-    f = double(deps: deps, build: double(with?: false), name: "f")
+    f = instance_double(Formula, deps: deps, build: instance_double(BuildOptions, with?: false), name: "f")
     expect(described_class.expand(f)).to eq([bar, baz, qux])
   end
 
   it "keeps recommended dependencies by default" do
     deps = [build_dep(:foo, [:recommended]), bar, baz, qux]
-    f = double(deps: deps, build: double(with?: true), name: "f")
+    f = instance_double(Formula, deps: deps, build: instance_double(BuildOptions, with?: true), name: "f")
     expect(described_class.expand(f)).to eq(deps)
   end
 
@@ -75,7 +75,7 @@ describe Dependency do
   it "merges dependencies and preserves env_proc" do
     env_proc = double
     dep = described_class.new("foo", [], env_proc)
-    allow(dep).to receive(:to_formula).and_return(double(deps: [], name: "foo"))
+    allow(dep).to receive(:to_formula).and_return(instance_double(Formula, deps: [], name: "foo"))
     deps.replace([dep])
     expect(described_class.expand(formula).first.env_proc).to eq(env_proc)
   end
@@ -89,7 +89,8 @@ describe Dependency do
   end
 
   it "skips parent but yields children with ::skip" do
-    f = double(
+    f = instance_double(
+      Formula,
       name: "f",
       deps: [
         build_dep(:foo, [], [bar, baz]),
@@ -107,7 +108,7 @@ describe Dependency do
   it "keeps dependency but prunes recursive dependencies with ::keep_but_prune_recursive_deps" do
     foo = build_dep(:foo, [:test], bar)
     baz = build_dep(:baz, [:test])
-    f = double(name: "f", deps: [foo, baz])
+    f = instance_double(Formula, name: "f", deps: [foo, baz])
 
     deps = described_class.expand(f) do |_dependent, dep|
       described_class.keep_but_prune_recursive_deps if dep.test?
@@ -124,15 +125,15 @@ describe Dependency do
   it "doesn't raise an error when a dependency is cyclic" do
     foo = build_dep(:foo)
     bar = build_dep(:bar, [], [foo])
-    allow(foo).to receive(:to_formula).and_return(double(deps: [bar], name: foo.name))
-    f = double(name: "f", deps: [foo, bar])
+    allow(foo).to receive(:to_formula).and_return(instance_double(Formula, deps: [bar], name: foo.name))
+    f = instance_double(Formula, name: "f", deps: [foo, bar])
     expect { described_class.expand(f) }.not_to raise_error
   end
 
   it "cleans the expand stack" do
     foo = build_dep(:foo)
     allow(foo).to receive(:to_formula).and_raise(FormulaUnavailableError, foo.name)
-    f = double(name: "f", deps: [foo])
+    f = instance_double(Formula, name: "f", deps: [foo])
     expect { described_class.expand(f) }.to raise_error(FormulaUnavailableError)
     expect(described_class.instance_variable_get(:@expand_stack)).to be_empty
   end