Function TestModuleCycleError

private/bufpkg/bufmodule/bufmodule_test.go:361–445

(t *testing.T)

}

func TestModuleCycleError(t *testing.T) {
	t.Parallel()

	moduleSet, err := bufmoduletesting.NewOmniProvider(
		bufmoduletesting.ModuleData{
			Name: "buf.build/foo/a",
			PathToData: map[string][]byte{
				"a.proto": []byte(
					`syntax = proto3; package a; import "b.proto";`,
				),
				"a1.proto": []byte(
					`syntax = proto3; package a;`,
				),
			},
		},
		bufmoduletesting.ModuleData{
			Name: "buf.build/foo/b",
			PathToData: map[string][]byte{
				"b.proto": []byte(
					`syntax = proto3; package b; import "c.proto";`,
				),
			},
		},
		bufmoduletesting.ModuleData{
			Name: "buf.build/foo/c",
			PathToData: map[string][]byte{
				"c.proto": []byte(
					`syntax = proto3; package b; import "a1.proto";`,
				),
			},
		},
	)
	require.NoError(t, err)

	moduleA := moduleSet.GetModuleForOpaqueID("buf.build/foo/a")
	require.NotNil(t, moduleA)
	_, err = moduleA.ModuleDeps()
	require.Error(t, err)
	moduleCycleError := &bufmodule.ModuleCycleError{}
	require.True(t, errors.As(err, &moduleCycleError), err.Error())
	require.Equal(
		t,
		[]string{
			"buf.build/foo/a",
			"buf.build/foo/b",
			"buf.build/foo/c",
			"buf.build/foo/a",
		},
		moduleCycleError.Descriptions,
	)

	moduleB := moduleSet.GetModuleForOpaqueID("buf.build/foo/b")
	require.NotNil(t, moduleB)
	_, err = moduleB.ModuleDeps()
	require.Error(t, err)
	moduleCycleError = &bufmodule.ModuleCycleError{}
	require.True(t, errors.As(err, &moduleCycleError), err.Error())
	require.Equal(