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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package currency
import (
"testing"
"time"
"golang.org/x/text/language"
)
func TestQuery(t *testing.T) {
r := func(region string) language.Region {
return language.MustParseRegion(region)
}
t1800, _ := time.Parse("2006-01-02", "1800-01-01")
type result struct {
region language.Region
unit Unit
isTender bool
from, to string
}
testCases := []struct {
name string
opts []QueryOption
results []result
}{{
name: "XA",
opts: []QueryOption{Region(r("XA"))},
results: []result{},
}, {
name: "AC",
opts: []QueryOption{Region(r("AC"))},
results: []result{
{r("AC"), MustParseISO("SHP"), true, "1976-01-01", ""},
},
}, {
name: "US",
opts: []QueryOption{Region(r("US"))},
results: []result{
{r("US"), MustParseISO("USD"), true, "1792-01-01", ""},
},
}, {
name: "US-hist",
opts: []QueryOption{Region(r("US")), Historical},
results: []result{
{r("US"), MustParseISO("USD"), true, "1792-01-01", ""},
},
}, {
name: "US-non-tender",
opts: []QueryOption{Region(r("US")), NonTender},
results: []result{
{r("US"), MustParseISO("USD"), true, "1792-01-01", ""},
{r("US"), MustParseISO("USN"), false, "", ""},
},
}, {
name: "US-historical+non-tender",
opts: []QueryOption{Region(r("US")), Historical, NonTender},
results: []result{
{r("US"), MustParseISO("USD"), true, "1792-01-01", ""},
{r("US"), MustParseISO("USN"), false, "", ""},
{r("US"), MustParseISO("USS"), false, "", "2014-03-01"},
},
}, {
name: "1800",
opts: []QueryOption{Date(t1800)},
results: []result{
{r("CH"), MustParseISO("CHF"), true, "1799-03-17", ""},
{r("GB"), MustParseISO("GBP"), true, "1694-07-27", ""},
{r("GI"), MustParseISO("GIP"), true, "1713-01-01", ""},
// The date for IE and PR seem wrong, so these may be updated at
// some point causing the tests to fail.
{r("IE"), MustParseISO("GBP"), true, "1800-01-01", "1922-01-01"},
{r("PR"), MustParseISO("ESP"), true, "1800-01-01", "1898-12-10"},
{r("US"), MustParseISO("USD"), true, "1792-01-01", ""},
},
}}
for _, tc := range testCases {
n := 0
for it := Query(tc.opts...); it.Next(); n++ {
if n < len(tc.results) {
got := result{
it.Region(),
it.Unit(),
it.IsTender(),
getTime(it.From()),
getTime(it.To()),
}
if got != tc.results[n] {
t.Errorf("%s:%d: got %v; want %v", tc.name, n, got, tc.results[n])
}
}
}
if n != len(tc.results) {
t.Errorf("%s: unexpected number of results: got %d; want %d", tc.name, n, len(tc.results))
}
}
}
func getTime(t time.Time, ok bool) string {
if !ok {
return ""
}
return t.Format("2006-01-02")
}