Henry
8779c88d79
Co-authored-by: nova28 <17953305+nova28@users.noreply.github.com> Co-authored-by: Carlos Florencio <carlosmflorencio@gmail.com>
87 lines
2.7 KiB
Go
87 lines
2.7 KiB
Go
package i18n
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import (
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"net/http/httptest"
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"testing"
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)
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func TestParseAcceptLanguageExcludesUnparseableQValue(t *testing.T) {
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t.Parallel()
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got := parseAcceptLanguage("fr;q=not-a-number, en;q=0.5")
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if len(got) != 1 || got[0] != "en" {
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t.Fatalf("parseAcceptLanguage = %v, want only [en]: an unparseable q must exclude the tag, not promote it to 1.0", got)
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}
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}
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func TestParseAcceptLanguageExcludesZeroQValue(t *testing.T) {
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t.Parallel()
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got := parseAcceptLanguage("fr;q=0, en;q=0.5")
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if len(got) != 1 || got[0] != "en" {
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t.Fatalf("parseAcceptLanguage = %v, want only [en]: q=0 means not acceptable per RFC 7231", got)
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}
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}
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func TestParseAcceptLanguageExcludesNegativeQValue(t *testing.T) {
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t.Parallel()
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got := parseAcceptLanguage("fr;q=-1, en;q=0.5")
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if len(got) != 1 || got[0] != "en" {
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t.Fatalf("parseAcceptLanguage = %v, want only [en]", got)
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}
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}
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func TestParseAcceptLanguageExcludesQValueAboveOne(t *testing.T) {
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t.Parallel()
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got := parseAcceptLanguage("zh-cn;q=2, en;q=1")
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if len(got) != 1 || got[0] != "en" {
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t.Fatalf("parseAcceptLanguage = %v, want only [en]: q>1 is outside HTTP quality's [0,1] range and must not outrank a valid entry", got)
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}
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}
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func TestParseAcceptLanguageExcludesTrailingGarbageQValue(t *testing.T) {
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t.Parallel()
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got := parseAcceptLanguage("fr;q=1abc, en;q=0.5")
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if len(got) != 1 || got[0] != "en" {
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t.Fatalf("parseAcceptLanguage = %v, want only [en]: a numeric prefix followed by garbage must not parse as valid", got)
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}
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}
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func TestParseAcceptLanguageExcludesNonFiniteQValue(t *testing.T) {
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t.Parallel()
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got := parseAcceptLanguage("fr;q=NaN, en;q=0.5")
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if len(got) != 1 || got[0] != "en" {
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t.Fatalf("parseAcceptLanguage = %v, want only [en]: NaN must not enter the priority sort", got)
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}
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}
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func TestParseAcceptLanguageOrdersDescendingByQValue(t *testing.T) {
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t.Parallel()
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got := parseAcceptLanguage("en;q=0.3, zh-cn;q=0.9, pt-pt;q=0.6")
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want := []string{"zh-cn", "pt-pt", "en"}
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if len(got) != len(want) {
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t.Fatalf("parseAcceptLanguage = %v, want %v", got, want)
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}
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for i := range want {
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if got[i] != want[i] {
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t.Fatalf("parseAcceptLanguage = %v, want %v", got, want)
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}
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}
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}
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func TestParseAcceptLanguageDefaultsMissingQTo1(t *testing.T) {
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t.Parallel()
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got := parseAcceptLanguage("en, zh-cn;q=0.5")
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want := []string{"en", "zh-cn"}
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if len(got) != len(want) || got[0] != want[0] || got[1] != want[1] {
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t.Fatalf("parseAcceptLanguage = %v, want %v", got, want)
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}
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}
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func TestFromRequestFallsThroughAMalformedQValueToTheNextTag(t *testing.T) {
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t.Parallel()
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r := httptest.NewRequest("GET", "/", nil)
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r.Header.Set("Accept-Language", "fr;q=bogus, zh-cn;q=0.8")
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if got := FromRequest(r); got != "zh-cn" {
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t.Fatalf("FromRequest = %q, want %q: a malformed q must not win priority", got, "zh-cn")
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}
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}
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