131 lines
3.4 KiB
Go
131 lines
3.4 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package ranger
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import (
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"context"
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"fmt"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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var (
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ctx = context.Background() // test context
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)
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func TestHTTPRanger(t *testing.T) {
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var content string
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ts := httptest.NewServer(http.HandlerFunc(
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func(w http.ResponseWriter, r *http.Request) {
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http.ServeContent(w, r, "test", time.Now(), strings.NewReader(content))
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}))
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defer ts.Close()
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for i, tt := range []struct {
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data string
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size, offset, length int64
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substr string
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errString string
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}{
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{"", 0, 0, 0, "", ""},
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{"abcdef", 6, 0, 0, "", ""},
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{"abcdef", 6, 3, 0, "", ""},
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{"abcdef", 6, 0, 6, "abcdef", ""},
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{"abcdef", 6, 0, 5, "abcde", ""},
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{"abcdef", 6, 0, 4, "abcd", ""},
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{"abcdef", 6, 1, 4, "bcde", ""},
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{"abcdef", 6, 2, 4, "cdef", ""},
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{"abcdefg", 7, 1, 4, "bcde", ""},
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{"abcdef", 6, 0, 7, "abcdef", "ranger error: range beyond end"},
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{"abcdef", 6, -1, 7, "abcde", "ranger error: negative offset"},
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{"abcdef", 6, 0, -1, "abcde", "ranger error: negative length"},
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} {
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tag := fmt.Sprintf("#%d. %+v", i, tt)
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content = tt.data
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rr, err := HTTPRanger(ctx, ts.URL)
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if assert.NoError(t, err, tag) {
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assert.Equal(t, tt.size, rr.Size(), tag)
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}
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r, err := rr.Range(context.Background(), tt.offset, tt.length)
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if tt.errString != "" {
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assert.EqualError(t, err, tt.errString, tag)
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continue
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}
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assert.NoError(t, err, tag)
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data, err := ioutil.ReadAll(r)
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if assert.NoError(t, err, tag) {
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assert.Equal(t, []byte(tt.substr), data, tag)
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}
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}
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}
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func TestHTTPRangerURLError(t *testing.T) {
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rr, err := HTTPRanger(ctx, "")
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assert.Nil(t, rr)
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assert.NotNil(t, err)
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}
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func TestHTTPRangeStatusCodeOk(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(
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func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusForbidden)
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http.ServeContent(w, r, "test", time.Now(), strings.NewReader(""))
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}))
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rr, err := HTTPRanger(ctx, ts.URL)
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assert.Nil(t, rr)
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assert.NotNil(t, err)
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}
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func TestHTTPRangerSize(t *testing.T) {
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var content string
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ts := httptest.NewServer(http.HandlerFunc(
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func(w http.ResponseWriter, r *http.Request) {
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http.ServeContent(w, r, "test", time.Now(), strings.NewReader(content))
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}))
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defer ts.Close()
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for i, tt := range []struct {
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data string
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size, offset, length int64
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substr string
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errString string
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}{
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{"", 0, 0, 0, "", ""},
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{"abcdef", 6, 0, 0, "", ""},
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{"abcdef", 6, 3, 0, "", ""},
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{"abcdef", 6, 0, 6, "abcdef", ""},
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{"abcdef", 6, 0, 5, "abcde", ""},
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{"abcdef", 6, 0, 4, "abcd", ""},
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{"abcdef", 6, 1, 4, "bcde", ""},
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{"abcdef", 6, 2, 4, "cdef", ""},
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{"abcdefg", 7, 1, 4, "bcde", ""},
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{"abcdef", 6, 0, 7, "abcdef", "ranger error: range beyond end"},
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{"abcdef", 6, -1, 7, "abcde", "ranger error: negative offset"},
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{"abcdef", 6, 0, -1, "abcde", "ranger error: negative length"},
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} {
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tag := fmt.Sprintf("#%d. %+v", i, tt)
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content = tt.data
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rr := HTTPRangerSize(ts.URL, tt.size)
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assert.Equal(t, tt.size, rr.Size(), tag)
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r, err := rr.Range(context.Background(), tt.offset, tt.length)
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if tt.errString != "" {
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assert.EqualError(t, err, tt.errString, tag)
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continue
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}
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assert.NoError(t, err, tag)
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data, err := ioutil.ReadAll(r)
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if assert.NoError(t, err, tag) {
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assert.Equal(t, []byte(tt.substr), data, tag)
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}
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}
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}
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