package upstream

import "testing"

func TestClassifyFetchResult(t *testing.T) {
	tests := []struct {
		name     string
		callErr  error
		parseErr error
		valid    int
		newCount int
		want     FetchClass
	}{
		{name: "network error", callErr: errFixture, want: FetchError},
		{name: "parse error", parseErr: errFixture, want: FetchError},
		{name: "empty response", want: FetchEmpty},
		{name: "duplicates are not empty", valid: 3, want: FetchDuplicateOnly},
		{name: "new proxy", valid: 3, newCount: 1, want: FetchValid},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got := ClassifyFetchResult(tt.callErr, tt.parseErr, tt.valid, tt.newCount)
			if got != tt.want {
				t.Fatalf("ClassifyFetchResult() = %q, want %q", got, tt.want)
			}
		})
	}
}

type fixtureError string

func (e fixtureError) Error() string { return string(e) }

const errFixture = fixtureError("fixture")