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cache_test.go
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cache_test.go
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package api
import (
"bytes"
"fmt"
"io"
"net/http"
"path/filepath"
"testing"
"time"
"github.com/cli/go-gh/pkg/api"
"github.com/stretchr/testify/assert"
)
func TestCacheResponse(t *testing.T) {
counter := 0
fakeHTTP := tripper{
roundTrip: func(req *http.Request) (*http.Response, error) {
counter += 1
body := fmt.Sprintf("%d: %s %s", counter, req.Method, req.URL.String())
status := 200
if req.URL.Path == "/error" {
status = 500
}
return &http.Response{
StatusCode: status,
Body: io.NopCloser(bytes.NewBufferString(body)),
}, nil
},
}
cacheDir := filepath.Join(t.TempDir(), "gh-cli-cache")
httpClient := NewHTTPClient(
&api.ClientOptions{
Transport: fakeHTTP,
EnableCache: true,
CacheDir: cacheDir,
LogIgnoreEnv: true,
})
do := func(method, url string, body io.Reader) (string, error) {
req, err := http.NewRequest(method, url, body)
if err != nil {
return "", err
}
res, err := httpClient.Do(req)
if err != nil {
return "", err
}
defer res.Body.Close()
resBody, err := io.ReadAll(res.Body)
if err != nil {
err = fmt.Errorf("ReadAll: %w", err)
}
return string(resBody), err
}
var res string
var err error
res, err = do("GET", "http://example.com/path", nil)
assert.NoError(t, err)
assert.Equal(t, "1: GET http://example.com/path", res)
res, err = do("GET", "http://example.com/path", nil)
assert.NoError(t, err)
assert.Equal(t, "1: GET http://example.com/path", res)
res, err = do("GET", "http://example.com/path2", nil)
assert.NoError(t, err)
assert.Equal(t, "2: GET http://example.com/path2", res)
res, err = do("POST", "http://example.com/path2", nil)
assert.NoError(t, err)
assert.Equal(t, "3: POST http://example.com/path2", res)
res, err = do("POST", "http://example.com/graphql", bytes.NewBufferString(`hello`))
assert.NoError(t, err)
assert.Equal(t, "4: POST http://example.com/graphql", res)
res, err = do("POST", "http://example.com/graphql", bytes.NewBufferString(`hello`))
assert.NoError(t, err)
assert.Equal(t, "4: POST http://example.com/graphql", res)
res, err = do("POST", "http://example.com/graphql", bytes.NewBufferString(`hello2`))
assert.NoError(t, err)
assert.Equal(t, "5: POST http://example.com/graphql", res)
res, err = do("GET", "http://example.com/error", nil)
assert.NoError(t, err)
assert.Equal(t, "6: GET http://example.com/error", res)
res, err = do("GET", "http://example.com/error", nil)
assert.NoError(t, err)
assert.Equal(t, "7: GET http://example.com/error", res)
}
func TestCacheResponseRequestCacheOptions(t *testing.T) {
counter := 0
fakeHTTP := tripper{
roundTrip: func(req *http.Request) (*http.Response, error) {
counter += 1
body := fmt.Sprintf("%d: %s %s", counter, req.Method, req.URL.String())
status := 200
if req.URL.Path == "/error" {
status = 500
}
return &http.Response{
StatusCode: status,
Body: io.NopCloser(bytes.NewBufferString(body)),
}, nil
},
}
cacheDir := filepath.Join(t.TempDir(), "gh-cli-cache")
httpClient := NewHTTPClient(
&api.ClientOptions{
Transport: fakeHTTP,
EnableCache: false,
CacheDir: cacheDir,
LogIgnoreEnv: true,
})
do := func(method, url string, body io.Reader) (string, error) {
req, err := http.NewRequest(method, url, body)
if err != nil {
return "", err
}
req.Header.Set("X-GH-CACHE-DIR", cacheDir)
req.Header.Set("X-GH-CACHE-TTL", "1h")
res, err := httpClient.Do(req)
if err != nil {
return "", err
}
defer res.Body.Close()
resBody, err := io.ReadAll(res.Body)
if err != nil {
err = fmt.Errorf("ReadAll: %w", err)
}
return string(resBody), err
}
var res string
var err error
res, err = do("GET", "http://example.com/path", nil)
assert.NoError(t, err)
assert.Equal(t, "1: GET http://example.com/path", res)
res, err = do("GET", "http://example.com/path", nil)
assert.NoError(t, err)
assert.Equal(t, "1: GET http://example.com/path", res)
res, err = do("GET", "http://example.com/path2", nil)
assert.NoError(t, err)
assert.Equal(t, "2: GET http://example.com/path2", res)
res, err = do("POST", "http://example.com/path2", nil)
assert.NoError(t, err)
assert.Equal(t, "3: POST http://example.com/path2", res)
res, err = do("POST", "http://example.com/graphql", bytes.NewBufferString(`hello`))
assert.NoError(t, err)
assert.Equal(t, "4: POST http://example.com/graphql", res)
res, err = do("POST", "http://example.com/graphql", bytes.NewBufferString(`hello`))
assert.NoError(t, err)
assert.Equal(t, "4: POST http://example.com/graphql", res)
res, err = do("POST", "http://example.com/graphql", bytes.NewBufferString(`hello2`))
assert.NoError(t, err)
assert.Equal(t, "5: POST http://example.com/graphql", res)
res, err = do("GET", "http://example.com/error", nil)
assert.NoError(t, err)
assert.Equal(t, "6: GET http://example.com/error", res)
res, err = do("GET", "http://example.com/error", nil)
assert.NoError(t, err)
assert.Equal(t, "7: GET http://example.com/error", res)
}
func TestRequestCacheOptions(t *testing.T) {
req, err := http.NewRequest("GET", "some/url", nil)
assert.NoError(t, err)
req.Header.Set("X-GH-CACHE-DIR", "some/dir/path")
req.Header.Set("X-GH-CACHE-TTL", "1h")
dir, ttl := requestCacheOptions(req)
assert.Equal(t, dir, "some/dir/path")
assert.Equal(t, ttl, time.Hour)
}