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caddy/caddyhttp/httpserver/tplcontext_test.go at master · std-vector/caddy · GitHub
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// Copyright 2015 Light Code Labs, LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package
httpserver
import
(
"bytes"
"fmt"
"io/ioutil"
"net"
"net/http"
"net/http/httptest"
"net/url"
"os"
"path/filepath"
"reflect"
"sort"
"strings"
"testing"
"time"
"text/template"
)
func
TestInclude
(
t
*
testing.
T
) {
context
:=
getContextOrFail
(
t
)
inputFilename
:=
"test_file"
absInFilePath
:=
filepath
.
Join
(
fmt
.
Sprintf
(
"%s"
,
context
.
Root
),
inputFilename
)
defer
func
() {
err
:=
os
.
Remove
(
absInFilePath
)
if
err
!=
nil
&&
!
os
.
IsNotExist
(
err
) {
t
.
Fatalf
(
"Failed to clean test file!"
)
}
}()
tests
:=
[]
struct
{
args
[]
interface
{}
fileContent
string
expectedContent
string
shouldErr
bool
expectedErrorContent
string
}{
// Test 0 - all good
{
fileContent
:
`str1 {{ .Root }} str2`
,
expectedContent
:
fmt
.
Sprintf
(
"str1 %s str2"
,
context
.
Root
),
shouldErr
:
false
,
expectedErrorContent
:
""
,
},
// Test 1 - all good, with args
{
args
: []
interface
{}{
"hello"
,
5
},
fileContent
:
`str1 {{ .Root }} str2 {{index .Args 0}} {{index .Args 1}}`
,
expectedContent
:
fmt
.
Sprintf
(
"str1 %s str2 %s %d"
,
context
.
Root
,
"hello"
,
5
),
shouldErr
:
false
,
expectedErrorContent
:
""
,
},
// Test 2 - failure on template.Parse
{
fileContent
:
`str1 {{ .Root } str2`
,
expectedContent
:
""
,
shouldErr
:
true
,
expectedErrorContent
:
`unexpected "}" in operand`
,
},
// Test 3 - failure on template.Execute
{
fileContent
:
`str1 {{ .InvalidField }} str2`
,
expectedContent
:
""
,
shouldErr
:
true
,
expectedErrorContent
:
`InvalidField`
,
},
{
fileContent
:
`str1 {{ .InvalidField }} str2`
,
expectedContent
:
""
,
shouldErr
:
true
,
expectedErrorContent
:
`type httpserver.Context`
,
},
// Test 4 - all good, with custom function
{
fileContent
:
`hello {{ caddy }}`
,
expectedContent
:
"hello caddy"
,
shouldErr
:
false
,
expectedErrorContent
:
""
,
},
}
TemplateFuncs
[
"caddy"
]
=
func
()
string
{
return
"caddy"
}
for
i
,
test
:=
range
tests
{
testPrefix
:=
getTestPrefix
(
i
)
// WriteFile truncates the contentt
err
:=
ioutil
.
WriteFile
(
absInFilePath
, []
byte
(
test
.
fileContent
),
os
.
ModePerm
)
if
err
!=
nil
{
t
.
Fatal
(
testPrefix
+
"Failed to create test file. Error was: %v"
,
err
)
}
content
,
err
:=
context
.
Include
(
inputFilename
,
test
.
args
...
)
if
err
!=
nil
{
if
!
test
.
shouldErr
{
t
.
Errorf
(
testPrefix
+
"Expected no error, found [%s]"
,
test
.
expectedErrorContent
,
err
.
Error
())
}
if
!
strings
.
Contains
(
err
.
Error
(),
test
.
expectedErrorContent
) {
t
.
Errorf
(
testPrefix
+
"Expected error content [%s], found [%s]"
,
test
.
expectedErrorContent
,
err
.
Error
())
}
}
if
err
==
nil
&&
test
.
shouldErr
{
t
.
Errorf
(
testPrefix
+
"Expected error [%s] but found nil. Input file was: %s"
,
test
.
expectedErrorContent
,
inputFilename
)
}
if
content
!=
test
.
expectedContent
{
t
.
Errorf
(
testPrefix
+
"Expected content [%s] but found [%s]. Input file was: %s"
,
test
.
expectedContent
,
content
,
inputFilename
)
}
}
}
func
TestIncludeNotExisting
(
t
*
testing.
T
) {
context
:=
getContextOrFail
(
t
)
_
,
err
:=
context
.
Include
(
"not_existing"
)
if
err
==
nil
{
t
.
Errorf
(
"Expected error but found nil!"
)
}
}
func
TestMarkdown
(
t
*
testing.
T
) {
context
:=
getContextOrFail
(
t
)
inputFilename
:=
"test_file"
absInFilePath
:=
filepath
.
Join
(
fmt
.
Sprintf
(
"%s"
,
context
.
Root
),
inputFilename
)
defer
func
() {
err
:=
os
.
Remove
(
absInFilePath
)
if
err
!=
nil
&&
!
os
.
IsNotExist
(
err
) {
t
.
Fatalf
(
"Failed to clean test file!"
)
}
}()
tests
:=
[]
struct
{
fileContent
string
expectedContent
string
}{
// Test 0 - test parsing of markdown
{
fileContent
:
"* str1
\n
* str2
\n
"
,
expectedContent
:
"<ul>
\n
<li>str1</li>
\n
<li>str2</li>
\n
</ul>
\n
"
,
},
}
for
i
,
test
:=
range
tests
{
testPrefix
:=
getTestPrefix
(
i
)
// WriteFile truncates the contentt
err
:=
ioutil
.
WriteFile
(
absInFilePath
, []
byte
(
test
.
fileContent
),
os
.
ModePerm
)
if
err
!=
nil
{
t
.
Fatal
(
testPrefix
+
"Failed to create test file. Error was: %v"
,
err
)
}
content
,
_
:=
context
.
Markdown
(
inputFilename
)
if
content
!=
test
.
expectedContent
{
t
.
Errorf
(
testPrefix
+
"Expected content [%s] but found [%s]. Input file was: %s"
,
test
.
expectedContent
,
content
,
inputFilename
)
}
}
}
func
TestCookie
(
t
*
testing.
T
) {
tests
:=
[]
struct
{
cookie
*
http.
Cookie
cookieName
string
expectedValue
string
}{
// Test 0 - happy path
{
cookie
:
&
http.
Cookie
{
Name
:
"cookieName"
,
Value
:
"cookieValue"
},
cookieName
:
"cookieName"
,
expectedValue
:
"cookieValue"
,
},
// Test 1 - try to get a non-existing cookie
{
cookie
:
&
http.
Cookie
{
Name
:
"cookieName"
,
Value
:
"cookieValue"
},
cookieName
:
"notExisting"
,
expectedValue
:
""
,
},
// Test 2 - partial name match
{
cookie
:
&
http.
Cookie
{
Name
:
"cookie"
,
Value
:
"cookieValue"
},
cookieName
:
"cook"
,
expectedValue
:
""
,
},
// Test 3 - cookie with optional fields
{
cookie
:
&
http.
Cookie
{
Name
:
"cookie"
,
Value
:
"cookieValue"
,
Path
:
"/path"
,
Domain
:
"https://localhost"
,
Expires
: (
time
.
Now
().
Add
(
10
*
time
.
Minute
)),
MaxAge
:
120
},
cookieName
:
"cookie"
,
expectedValue
:
"cookieValue"
,
},
}
for
i
,
test
:=
range
tests
{
testPrefix
:=
getTestPrefix
(
i
)
// reinitialize the context for each test
context
:=
getContextOrFail
(
t
)
context
.
Req
.
AddCookie
(
test
.
cookie
)
actualCookieVal
:=
context
.
Cookie
(
test
.
cookieName
)
if
actualCookieVal
!=
test
.
expectedValue
{
t
.
Errorf
(
testPrefix
+
"Expected cookie value [%s] but found [%s] for cookie with name %s"
,
test
.
expectedValue
,
actualCookieVal
,
test
.
cookieName
)
}
}
}
func
TestCookieMultipleCookies
(
t
*
testing.
T
) {
context
:=
getContextOrFail
(
t
)
cookieNameBase
,
cookieValueBase
:=
"cookieName"
,
"cookieValue"
// make sure that there's no state and multiple requests for different cookies return the correct result
for
i
:=
0
;
i
<
10
;
i
++
{
context
.
Req
.
AddCookie
(
&
http.
Cookie
{
Name
:
fmt
.
Sprintf
(
"%s%d"
,
cookieNameBase
,
i
),
Value
:
fmt
.
Sprintf
(
"%s%d"
,
cookieValueBase
,
i
)})
}
for
i
:=
0
;
i
<
10
;
i
++
{
expectedCookieVal
:=
fmt
.
Sprintf
(
"%s%d"
,
cookieValueBase
,
i
)
actualCookieVal
:=
context
.
Cookie
(
fmt
.
Sprintf
(
"%s%d"
,
cookieNameBase
,
i
))
if
actualCookieVal
!=
expectedCookieVal
{
t
.
Fatalf
(
"Expected cookie value %s, found %s"
,
expectedCookieVal
,
actualCookieVal
)
}
}
}
func
TestHeader
(
t
*
testing.
T
) {
context
:=
getContextOrFail
(
t
)
headerKey
,
headerVal
:=
"Header1"
,
"HeaderVal1"
context
.
Req
.
Header
.
Add
(
headerKey
,
headerVal
)
actualHeaderVal
:=
context
.
Header
(
headerKey
)
if
actualHeaderVal
!=
headerVal
{
t
.
Errorf
(
"Expected header %s, found %s"
,
headerVal
,
actualHeaderVal
)
}
missingHeaderVal
:=
context
.
Header
(
"not-existing"
)
if
missingHeaderVal
!=
""
{
t
.
Errorf
(
"Expected empty header value, found %s"
,
missingHeaderVal
)
}
}
func
TestHostname
(
t
*
testing.
T
) {
context
:=
getContextOrFail
(
t
)
tests
:=
[]
struct
{
inputRemoteAddr
string
expectedHostname
string
}{
// TODO(mholt): Fix these tests, they're not portable. i.e. my resolver
// returns "fwdr-8.fwdr-8.fwdr-8.fwdr-8." instead of these google ones.
// Test 0 - ipv4 with port
// {"8.8.8.8:1111", "google-public-dns-a.google.com."},
// // Test 1 - ipv4 without port
// {"8.8.8.8", "google-public-dns-a.google.com."},
// // Test 2 - ipv6 with port
// {"[2001:4860:4860::8888]:11", "google-public-dns-a.google.com."},
// // Test 3 - ipv6 without port and brackets
// {"2001:4860:4860::8888", "google-public-dns-a.google.com."},
// Test 4 - no hostname available
{
"1.1.1.1"
,
"1.1.1.1"
},
}
for
i
,
test
:=
range
tests
{
testPrefix
:=
getTestPrefix
(
i
)
context
.
Req
.
RemoteAddr
=
test
.
inputRemoteAddr
actualHostname
:=
context
.
Hostname
()
if
actualHostname
!=
test
.
expectedHostname
{
t
.
Errorf
(
testPrefix
+
"Expected hostname %s, found %s"
,
test
.
expectedHostname
,
actualHostname
)
}
}
}
func
TestEnv
(
t
*
testing.
T
) {
context
:=
getContextOrFail
(
t
)
name
:=
"ENV_TEST_NAME"
testValue
:=
"TEST_VALUE"
os
.
Setenv
(
name
,
testValue
)
notExisting
:=
"ENV_TEST_NOT_EXISTING"
os
.
Unsetenv
(
notExisting
)
invalidName
:=
"ENV_TEST_INVALID_NAME"
os
.
Setenv
(
"="
+
invalidName
,
testValue
)
env
:=
context
.
Env
()
if
value
:=
env
[
name
];
value
!=
testValue
{
t
.
Errorf
(
"Expected env-variable %s value '%s', found '%s'"
,
name
,
testValue
,
value
)
}
if
value
,
ok
:=
env
[
notExisting
];
ok
{
t
.
Errorf
(
"Expected empty env-variable %s, found '%s'"
,
notExisting
,
value
)
}
for
k
,
v
:=
range
env
{
if
strings
.
Contains
(
k
,
invalidName
) {
t
.
Errorf
(
"Expected invalid name not to be included in Env %s, found in key '%s'"
,
invalidName
,
k
)
}
if
strings
.
Contains
(
v
,
invalidName
) {
t
.
Errorf
(
"Expected invalid name not be be included in Env %s, found in value '%s'"
,
invalidName
,
v
)
}
}
os
.
Unsetenv
(
"="
+
invalidName
)
}
func
TestIP
(
t
*
testing.
T
) {
context
:=
getContextOrFail
(
t
)
tests
:=
[]
struct
{
inputRemoteAddr
string
expectedIP
string
}{
// Test 0 - ipv4 with port
{
"1.1.1.1:1111"
,
"1.1.1.1"
},
// Test 1 - ipv4 without port
{
"1.1.1.1"
,
"1.1.1.1"
},
// Test 2 - ipv6 with port
{
"[::1]:11"
,
"::1"
},
// Test 3 - ipv6 without port and brackets
{
"[2001:db8:a0b:12f0::1]"
,
"[2001:db8:a0b:12f0::1]"
},
// Test 4 - ipv6 with zone and port
{
`[fe80:1::3%eth0]:44`
,
`fe80:1::3%eth0`
},
}
for
i
,
test
:=
range
tests
{
testPrefix
:=
getTestPrefix
(
i
)
context
.
Req
.
RemoteAddr
=
test
.
inputRemoteAddr
actualIP
:=
context
.
IP
()
if
actualIP
!=
test
.
expectedIP
{
t
.
Errorf
(
testPrefix
+
"Expected IP %s, found %s"
,
test
.
expectedIP
,
actualIP
)
}
}
}
type
myIP
string
func
(
ip
myIP
)
mockInterfaces
() ([]net.
Addr
,
error
) {
a
:=
net
.
ParseIP
(
string
(
ip
))
return
[]net.
Addr
{
&
net.
IPNet
{
IP
:
a
,
Mask
:
nil
},
},
nil
}
func
TestServerIP
(
t
*
testing.
T
) {
context
:=
getContextOrFail
(
t
)
tests
:=
[]
string
{
// Test 0 - ipv4
"1.1.1.1"
,
// Test 1 - ipv6
"2001:db8:a0b:12f0::1"
,
}
for
i
,
expectedIP
:=
range
tests
{
testPrefix
:=
getTestPrefix
(
i
)
// Mock the network interface
ip
:=
myIP
(
expectedIP
)
networkInterfacesFn
=
ip
.
mockInterfaces
defer
func
() {
networkInterfacesFn
=
net
.
InterfaceAddrs
}()
actualIP
:=
context
.
ServerIP
()
if
actualIP
!=
expectedIP
{
t
.
Errorf
(
"%sExpected IP
\"
%s
\"
, found
\"
%s
\"
."
,
testPrefix
,
expectedIP
,
actualIP
)
}
}
}
func
TestURL
(
t
*
testing.
T
) {
context
:=
getContextOrFail
(
t
)
inputURL
:=
"http://localhost"
context
.
Req
.
RequestURI
=
inputURL
if
inputURL
!=
context
.
URI
() {
t
.
Errorf
(
"Expected url %s, found %s"
,
inputURL
,
context
.
URI
())
}
}
func
TestHost
(
t
*
testing.
T
) {
tests
:=
[]
struct
{
input
string
expectedHost
string
shouldErr
bool
}{
{
input
:
"localhost:123"
,
expectedHost
:
"localhost"
,
shouldErr
:
false
,
},
{
input
:
"localhost"
,
expectedHost
:
"localhost"
,
shouldErr
:
false
,
},
{
input
:
"[::]"
,
expectedHost
:
""
,
shouldErr
:
true
,
},
}
for
_
,
test
:=
range
tests
{
testHostOrPort
(
t
,
true
,
test
.
input
,
test
.
expectedHost
,
test
.
shouldErr
)
}
}
func
TestPort
(
t
*
testing.
T
) {
tests
:=
[]
struct
{
input
string
expectedPort
string
shouldErr
bool
}{
{
input
:
"localhost:123"
,
expectedPort
:
"123"
,
shouldErr
:
false
,
},
{
input
:
"localhost"
,
expectedPort
:
"80"
,
// assuming 80 is the default port
shouldErr
:
false
,
},
{
input
:
":8080"
,
expectedPort
:
"8080"
,
shouldErr
:
false
,
},
{
input
:
"[::]"
,
expectedPort
:
""
,
shouldErr
:
true
,
},
}
for
_
,
test
:=
range
tests
{
testHostOrPort
(
t
,
false
,
test
.
input
,
test
.
expectedPort
,
test
.
shouldErr
)
}
}
func
testHostOrPort
(
t
*
testing.
T
,
isTestingHost
bool
,
input
,
expectedResult
string
,
shouldErr
bool
) {
context
:=
getContextOrFail
(
t
)
context
.
Req
.
Host
=
input
var
actualResult
,
testedObject
string
var
err
error
if
isTestingHost
{
actualResult
,
err
=
context
.
Host
()
testedObject
=
"host"
}
else
{
actualResult
,
err
=
context
.
Port
()
testedObject
=
"port"
}
if
shouldErr
&&
err
==
nil
{
t
.
Errorf
(
"Expected error, found nil!"
)
return
}
if
!
shouldErr
&&
err
!=
nil
{
t
.
Errorf
(
"Expected no error, found %s"
,
err
)
return
}
if
actualResult
!=
expectedResult
{
t
.
Errorf
(
"Expected %s %s, found %s"
,
testedObject
,
expectedResult
,
actualResult
)
}
}
func
TestMethod
(
t
*
testing.
T
) {
context
:=
getContextOrFail
(
t
)
method
:=
"POST"
context
.
Req
.
Method
=
method
if
method
!=
context
.
Method
() {
t
.
Errorf
(
"Expected method %s, found %s"
,
method
,
context
.
Method
())
}
}
func
TestContextPathMatches
(
t
*
testing.
T
) {
context
:=
getContextOrFail
(
t
)
tests
:=
[]
struct
{
urlStr
string
pattern
string
shouldMatch
bool
}{
// Test 0
{
urlStr
:
"http://localhost/"
,
pattern
:
""
,
shouldMatch
:
true
,
},
// Test 1
{
urlStr
:
"http://localhost"
,
pattern
:
""
,
shouldMatch
:
true
,
},
// Test 1
{
urlStr
:
"http://localhost/"
,
pattern
:
"/"
,
shouldMatch
:
true
,
},
// Test 3
{
urlStr
:
"http://localhost/?param=val"
,
pattern
:
"/"
,
shouldMatch
:
true
,
},
// Test 4
{
urlStr
:
"http://localhost/dir1/dir2"
,
pattern
:
"/dir2"
,
shouldMatch
:
false
,
},
// Test 5
{
urlStr
:
"http://localhost/dir1/dir2"
,
pattern
:
"/dir1"
,
shouldMatch
:
true
,
},
// Test 6
{
urlStr
:
"http://localhost:444/dir1/dir2"
,
pattern
:
"/dir1"
,
shouldMatch
:
true
,
},
// Test 7
{
urlStr
:
"http://localhost/dir1/dir2"
,
pattern
:
"*/dir2"
,
shouldMatch
:
false
,
},
}
for
i
,
test
:=
range
tests
{
testPrefix
:=
getTestPrefix
(
i
)
var
err
error
context
.
Req
.
URL
,
err
=
url
.
Parse
(
test
.
urlStr
)
if
err
!=
nil
{
t
.
Fatalf
(
"Failed to prepare test URL from string %s! Error was: %s"
,
test
.
urlStr
,
err
)
}
matches
:=
context
.
PathMatches
(
test
.
pattern
)
if
matches
!=
test
.
shouldMatch
{
t
.
Errorf
(
testPrefix
+
"Expected and actual result differ: expected to match [%t], actual matches [%t]"
,
test
.
shouldMatch
,
matches
)
}
}
}
func
TestTruncate
(
t
*
testing.
T
) {
context
:=
getContextOrFail
(
t
)
tests
:=
[]
struct
{
inputString
string
inputLength
int
expected
string
}{
// Test 0 - small length
{
inputString
:
"string"
,
inputLength
:
1
,
expected
:
"s"
,
},
// Test 1 - exact length
{
inputString
:
"string"
,
inputLength
:
6
,
expected
:
"string"
,
},
// Test 2 - bigger length
{
inputString
:
"string"
,
inputLength
:
10
,
expected
:
"string"
,
},
// Test 3 - zero length
{
inputString
:
"string"
,
inputLength
:
0
,
expected
:
""
,
},
// Test 4 - negative, smaller length
{
inputString
:
"string"
,
inputLength
:
-
5
,
expected
:
"tring"
,
},
// Test 5 - negative, exact length
{
inputString
:
"string"
,
inputLength
:
-
6
,
expected
:
"string"
,
},
// Test 6 - negative, bigger length
{
inputString
:
"string"
,
inputLength
:
-
7
,
expected
:
"string"
,
},
}
for
i
,
test
:=
range
tests
{
actual
:=
context
.
Truncate
(
test
.
inputString
,
test
.
inputLength
)
if
actual
!=
test
.
expected
{
t
.
Errorf
(
getTestPrefix
(
i
)
+
"Expected '%s', found '%s'. Input was Truncate(%q, %d)"
,
test
.
expected
,
actual
,
test
.
inputString
,
test
.
inputLength
)
}
}
}
func
TestStripHTML
(
t
*
testing.
T
) {
context
:=
getContextOrFail
(
t
)
tests
:=
[]
struct
{
input
string
expected
string
}{
// Test 0 - no tags
{
input
:
`h1`
,
expected
:
`h1`
,
},
// Test 1 - happy path
{
input
:
`<h1>h1</h1>`
,
expected
:
`h1`
,
},
// Test 2 - tag in quotes
{
input
:
`<h1">">h1</h1>`
,
expected
:
`h1`
,
},
// Test 3 - multiple tags
{
input
:
`<h1><b>h1</b></h1>`
,
expected
:
`h1`
,
},
// Test 4 - tags not closed
{
input
:
`<h1`
,
expected
:
`<h1`
,
},
// Test 5 - false start
{
input
:
`<h1<b>hi`
,
expected
:
`<h1hi`
,
},
}
for
i
,
test
:=
range
tests
{
actual
:=
context
.
StripHTML
(
test
.
input
)
if
actual
!=
test
.
expected
{
t
.
Errorf
(
getTestPrefix
(
i
)
+
"Expected %s, found %s. Input was StripHTML(%s)"
,
test
.
expected
,
actual
,
test
.
input
)
}
}
}
func
TestStripExt
(
t
*
testing.
T
) {
context
:=
getContextOrFail
(
t
)
tests
:=
[]
struct
{
input
string
expected
string
}{
// Test 0 - empty input
{
input
:
""
,
expected
:
""
,
},
// Test 1 - relative file with ext
{
input
:
"file.ext"
,
expected
:
"file"
,
},
// Test 2 - relative file without ext
{
input
:
"file"
,
expected
:
"file"
,
},
// Test 3 - absolute file without ext
{
input
:
"/file"
,
expected
:
"/file"
,
},
// Test 4 - absolute file with ext
{
input
:
"/file.ext"
,
expected
:
"/file"
,
},
// Test 5 - with ext but ends with /
{
input
:
"/dir.ext/"
,
expected
:
"/dir.ext/"
,
},
// Test 6 - file with ext under dir with ext
{
input
:
"/dir.ext/file.ext"
,
expected
:
"/dir.ext/file"
,
},
}
for
i
,
test
:=
range
tests
{
actual
:=
context
.
StripExt
(
test
.
input
)
if
actual
!=
test
.
expected
{
t
.
Errorf
(
getTestPrefix
(
i
)
+
"Expected %s, found %s. Input was StripExt(%q)"
,
test
.
expected
,
actual
,
test
.
input
)
}
}
}
func
initTestContext
() (
Context
,
error
) {
body
:=
bytes
.
NewBufferString
(
"request body"
)
request
,
err
:=
http
.
NewRequest
(
"GET"
,
"https://localhost"
,
body
)
if
err
!=
nil
{
return
Context
{},
err
}
res
:=
httptest
.
NewRecorder
()
return
Context
{
Root
:
http
.
Dir
(
os
.
TempDir
()),
responseHeader
:
res
.
Header
(),
Req
:
request
},
nil
}
func
getContextOrFail
(
t
*
testing.
T
)
Context
{
context
,
err
:=
initTestContext
()
if
err
!=
nil
{
t
.
Fatalf
(
"Failed to prepare test context"
)
}
return
context
}
func
getTestPrefix
(
testN
int
)
string
{
return
fmt
.
Sprintf
(
"Test [%d]: "
,
testN
)
}
func
TestTemplates
(
t
*
testing.
T
) {
tests
:=
[]
struct
{
tmpl
,
expected
string
}{
{
`{{.ToUpper "aAA"}}`
,
"AAA"
},
{
`{{"bbb" | .ToUpper}}`
,
"BBB"
},
{
`{{.ToLower "CCc"}}`
,
"ccc"
},
{
`{{range (.Split "a,b,c" ",")}}{{.}}{{end}}`
,
"abc"
},
{
`{{range .Split "a,b,c" ","}}{{.}}{{end}}`
,
"abc"
},
{
`{{range .Slice "a" "b" "c"}}{{.}}{{end}}`
,
"abc"
},
{
`{{with .Map "A" "a" "B" "b" "c" "d"}}{{.A}}{{.B}}{{.c}}{{end}}`
,
"abd"
},
}
for
i
,
test
:=
range
tests
{
ctx
:=
getContextOrFail
(
t
)
tmpl
,
err
:=
template
.
New
(
""
).
Parse
(
test
.
tmpl
)
if
err
!=
nil
{
t
.
Errorf
(
"Test %d: %s"
,
i
,
err
)
continue
}
buf
:=
&
bytes.
Buffer
{}
err
=
tmpl
.
Execute
(
buf
,
ctx
)
if
err
!=
nil
{
t
.
Errorf
(
"Test %d: %s"
,
i
,
err
)
continue
}
if
buf
.
String
()
!=
test
.
expected
{
t
.
Errorf
(
"Test %d: Results do not match. '%s' != '%s'"
,
i
,
buf
.
String
(),
test
.
expected
)
}
}
}
func
TestFiles
(
t
*
testing.
T
) {
tests
:=
[]
struct
{
fileNames
[]
string
inputBase
string
shouldErr
bool
verifyErr
func
(
error
)
bool
}{
// Test 1 - directory and files exist
{
fileNames
: []
string
{
"file1"
,
"file2"
},
shouldErr
:
false
,
},
// Test 2 - directory exists, no files
{
fileNames
: []
string
{},
shouldErr
:
false
,
},
// Test 3 - file or directory does not exist
{
fileNames
:
nil
,
inputBase
:
"doesNotExist"
,
shouldErr
:
true
,
verifyErr
:
os
.
IsNotExist
,
},
// Test 4 - directory and files exist, but path to a file
{
fileNames
: []
string
{
"file1"
,
"file2"
},
inputBase
:
"file1"
,
shouldErr
:
true
,
verifyErr
:
func
(
err
error
)
bool
{
return
strings
.
HasSuffix
(
err
.
Error
(),
"is not a directory"
)
},
},
// Test 5 - try to leave Context Root
{
fileNames
:
nil
,
inputBase
:
filepath
.
Join
(
".."
,
".."
,
".."
,
".."
,
".."
,
"etc"
),
shouldErr
:
true
,
verifyErr
:
os
.
IsNotExist
,
},
}
for
i
,
test
:=
range
tests
{
context
:=
getContextOrFail
(
t
)
testPrefix
:=
getTestPrefix
(
i
+
1
)
var
dirPath
string
var
err
error
// Create directory / files from test case.
if
test
.
fileNames
!=
nil
{
dirPath
,
err
=
ioutil
.
TempDir
(
fmt
.
Sprintf
(
"%s"
,
context
.
Root
),
"caddy_ctxtest"
)
if
err
!=
nil
{
os
.
RemoveAll
(
dirPath
)
t
.
Fatalf
(
testPrefix
+
"Expected no error creating directory, got: '%s'"
,
err
.
Error
())
}
for
_
,
name
:=
range
test
.
fileNames
{
absFilePath
:=
filepath
.
Join
(
dirPath
,
name
)
if
err
=
ioutil
.
WriteFile
(
absFilePath
, []
byte
(
""
),
os
.
ModePerm
);
err
!=
nil
{
os
.
RemoveAll
(
dirPath
)
t
.
Fatalf
(
testPrefix
+
"Expected no error creating file, got: '%s'"
,
err
.
Error
())
}
}
}
// Perform test case.
input
:=
filepath
.
ToSlash
(
filepath
.
Join
(
filepath
.
Base
(
dirPath
),
test
.
inputBase
))
actual
,
err
:=
context
.
Files
(
input
)
if
err
!=
nil
{
if
!
test
.
shouldErr
{
t
.
Errorf
(
testPrefix
+
"Expected no error, got: '%s'"
,
err
.
Error
())
}
else
if
!
test
.
verifyErr
(
err
) {
t
.
Errorf
(
testPrefix
+
"Could not verify error content, got: '%s'"
,
err
.
Error
())
}
}
else
if
test
.
shouldErr
{
t
.
Errorf
(
testPrefix
+
"Expected error but had none"
)
}
else
{
numFiles
:=
len
(
test
.
fileNames
)
// reflect.DeepEqual does not consider two empty slices to be equal
if
numFiles
==
0
&&
len
(
actual
)
!=
0
{
t
.
Errorf
(
testPrefix
+
"Expected files %v, got: %v"
,
test
.
fileNames
,
actual
)
}
else
{
sort
.
Strings
(
actual
)
if
numFiles
>
0
&&
!
reflect
.
DeepEqual
(
test
.
fileNames
,
actual
) {
t
.
Errorf
(
testPrefix
+
"Expected files %v, got: %v"
,
test
.
fileNames
,
actual
)
}
}
}
if
dirPath
!=
""
{
if
err
:=
os
.
RemoveAll
(
dirPath
);
err
!=
nil
&&
!
os
.
IsNotExist
(
err
) {
t
.
Fatalf
(
testPrefix
+
"Expected no error removing directory, got: '%s'"
,
err
.
Error
())
}
}
}
}
func
TestAddLink
(
t
*
testing.
T
) {
for
name
,
c
:=
range
map
[
string
]
struct
{
input
string
expectLinks
[]
string
}{
"oneLink"
: {
input
:
`{{.AddLink "</test.css>; rel=preload"}}`
,
expectLinks
: []
string
{
"</test.css>; rel=preload"
},
},
"multipleLinks"
: {
input
:
`{{.AddLink "</test1.css>; rel=preload"}} {{.AddLink "</test2.css>; rel=meta"}}`
,
expectLinks
: []
string
{
"</test1.css>; rel=preload"
,
"</test2.css>; rel=meta"
},
},
} {
c
:=
c
t
.
Run
(
name
,
func
(
t
*
testing.
T
) {
ctx
:=
getContextOrFail
(
t
)
tmpl
,
err
:=
template
.
New
(
""
).
Parse
(
c
.
input
)
if
err
!=
nil
{
t
.
Fatal
(
err
)
}
err
=
tmpl
.
Execute
(
ioutil
.
Discard
,
ctx
)
if
err
!=
nil
{
t
.
Fatal
(
err
)
}
if
got
:=
ctx
.
responseHeader
[
"Link"
];
!
reflect
.
DeepEqual
(
got
,
c
.
expectLinks
) {
t
.
Errorf
(
"Result not match: expect %v, but got %v"
,
c
.
expectLinks
,
got
)
}
})
}
}
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