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// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
package fetcher // import "miniflux.app/v2/internal/reader/fetcher"
import (
"net/http"
"testing"
"time"
)
func TestIsModified(t *testing.T) {
var cachedEtag = "abc123"
var cachedLastModified = "Wed, 21 Oct 2015 07:28:00 GMT"
var testCases = map[string]struct {
Status int
LastModified string
ETag string
IsModified bool
}{
"Unmodified 304": {
Status: 304,
LastModified: cachedLastModified,
ETag: cachedEtag,
IsModified: false,
},
"Unmodified 200": {
Status: 200,
LastModified: cachedLastModified,
ETag: cachedEtag,
IsModified: false,
},
// ETag takes precedence per RFC9110 8.8.1.
"Last-Modified changed only": {
Status: 200,
LastModified: "Thu, 22 Oct 2015 07:28:00 GMT",
ETag: cachedEtag,
IsModified: false,
},
"ETag changed only": {
Status: 200,
LastModified: cachedLastModified,
ETag: "xyz789",
IsModified: true,
},
"ETag and Last-Modified changed": {
Status: 200,
LastModified: "Thu, 22 Oct 2015 07:28:00 GMT",
ETag: "xyz789",
IsModified: true,
},
}
for name, tc := range testCases {
t.Run(name, func(tt *testing.T) {
header := http.Header{}
header.Add("Last-Modified", tc.LastModified)
header.Add("ETag", tc.ETag)
rh := ResponseHandler{
httpResponse: &http.Response{
StatusCode: tc.Status,
Header: header,
},
}
if tc.IsModified != rh.IsModified(cachedEtag, cachedLastModified) {
tt.Error(name)
}
})
}
}
func TestRetryDelay(t *testing.T) {
var testCases = map[string]struct {
RetryAfterHeader string
ExpectedDelay time.Duration
}{
"Empty header": {
RetryAfterHeader: "",
ExpectedDelay: 0,
},
"Integer value": {
RetryAfterHeader: "42",
ExpectedDelay: 42 * time.Second,
},
"HTTP-date": {
RetryAfterHeader: time.Now().Add(42 * time.Second).Format(time.RFC1123),
ExpectedDelay: 41 * time.Second,
},
}
for name, tc := range testCases {
t.Run(name, func(tt *testing.T) {
header := http.Header{}
header.Add("Retry-After", tc.RetryAfterHeader)
rh := ResponseHandler{
httpResponse: &http.Response{
Header: header,
},
}
if tc.ExpectedDelay != rh.ParseRetryDelay() {
tt.Errorf("Expected %d, got %d for scenario %q", tc.ExpectedDelay, rh.ParseRetryDelay(), name)
}
})
}
}
func TestExpiresInMinutes(t *testing.T) {
var testCases = map[string]struct {
ExpiresHeader string
Expected time.Duration
}{
"Empty header": {
ExpiresHeader: "",
Expected: 0,
},
"Valid Expires header": {
ExpiresHeader: time.Now().Add(10 * time.Minute).Format(time.RFC1123),
Expected: 10 * time.Minute,
},
"Invalid Expires header": {
ExpiresHeader: "invalid-date",
Expected: 0,
},
}
for name, tc := range testCases {
t.Run(name, func(tt *testing.T) {
header := http.Header{}
header.Add("Expires", tc.ExpiresHeader)
rh := ResponseHandler{
httpResponse: &http.Response{
Header: header,
},
}
if tc.Expected != rh.Expires() {
t.Errorf("Expected %d, got %d for scenario %q", tc.Expected, rh.Expires(), name)
}
})
}
}
func TestCacheControlMaxAgeInMinutes(t *testing.T) {
var testCases = map[string]struct {
CacheControlHeader string
Expected time.Duration
}{
"Empty header": {
CacheControlHeader: "",
Expected: 0,
},
"Valid max-age": {
CacheControlHeader: "max-age=600",
Expected: 10 * time.Minute,
},
"Invalid max-age": {
CacheControlHeader: "max-age=invalid",
Expected: 0,
},
"Multiple directives": {
CacheControlHeader: "no-cache, max-age=300",
Expected: 5 * time.Minute,
},
}
for name, tc := range testCases {
t.Run(name, func(tt *testing.T) {
header := http.Header{}
header.Add("Cache-Control", tc.CacheControlHeader)
rh := ResponseHandler{
httpResponse: &http.Response{
Header: header,
},
}
if tc.Expected != rh.CacheControlMaxAge() {
t.Errorf("Expected %d, got %d for scenario %q", tc.Expected, rh.CacheControlMaxAge(), name)
}
})
}
}
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