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Mini Shell
Mini Shell
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package uritemplates
import (
"fmt"
"log"
"net/url"
"testing"
)
func ExampleExpand() {
values := map[string]string{
"user": "golang",
"repo": "go",
}
expanded, _, err := Expand("https://api.github.com/repos{/user,repo}", values)
if err != nil {
log.Fatalf("Error expanding template: %v", err)
}
fmt.Println(expanded)
// Output:
// https://api.github.com/repos/golang/go
}
func TestExpand(t *testing.T) {
testCases := []struct {
tmpl string
values map[string]string
want string
}{
// These examples come from the RFC:
// http://tools.ietf.org/html/rfc6570
{
tmpl: "http://www.example.com/foo{?query,number}",
values: map[string]string{"query": "mycelium", "number": "100"},
want: "http://www.example.com/foo?query=mycelium&number=100",
},
{
tmpl: "http://www.example.com/foo{?query,number}",
values: map[string]string{"query": "mycelium"},
want: "http://www.example.com/foo?query=mycelium",
},
{
tmpl: "http://www.example.com/foo{?query,number}",
values: map[string]string{},
want: "http://www.example.com/foo",
},
}
for _, tt := range testCases {
exp, _, err := Expand(tt.tmpl, tt.values)
if err != nil {
t.Errorf("Expand(%q, %v) error: %v", tt.tmpl, tt.values, err)
continue
}
if exp != tt.want {
t.Errorf("Expand(%q, %v)\ngot %q\nwant %q", tt.tmpl, tt.values, exp, tt.want)
}
}
}
func TestExpandRFCLevels(t *testing.T) {
values := map[string]string{
"dub": "me/too",
"hello": "Hello World!",
"half": "50%",
"var": "value",
"who": "fred",
"base": "http://example.com/home/",
"path": "/foo/bar",
"semi": ";",
"v": "6",
"x": "1024",
"y": "768",
"empty": "",
// undef not mapped.
}
testCases := []struct {
tmpl, want string
}{
// These examples come from the RFC levels specification.
// http://tools.ietf.org/html/rfc6570
// Level 1 examples.
{tmpl: "{var}", want: "value"},
{tmpl: "{hello}", want: "Hello%20World%21"},
// Level 2 examples.
{tmpl: "{+var}", want: "value"},
{tmpl: "{+hello}", want: "Hello%20World!"},
{tmpl: "{+path}/here", want: "/foo/bar/here"},
{tmpl: "here?ref={+path}", want: "here?ref=/foo/bar"},
{tmpl: "X{#var}", want: "X#value"},
{tmpl: "X{#hello}", want: "X#Hello%20World!"},
// Level 3 examples.
{tmpl: "map?{x,y}", want: "map?1024,768"},
{tmpl: "{x,hello,y}", want: "1024,Hello%20World%21,768"},
{tmpl: "{+x,hello,y}", want: "1024,Hello%20World!,768"},
{tmpl: "{+path,x}/here", want: "/foo/bar,1024/here"},
{tmpl: "{#x,hello,y}", want: "#1024,Hello%20World!,768"},
{tmpl: "{#path,x}/here", want: "#/foo/bar,1024/here"},
{tmpl: "X{.var}", want: "X.value"},
{tmpl: "X{.x,y}", want: "X.1024.768"},
{tmpl: "{/var}", want: "/value"},
{tmpl: "{/var,x}/here", want: "/value/1024/here"},
{tmpl: "{;x,y}", want: ";x=1024;y=768"},
{tmpl: "{;x,y,empty}", want: ";x=1024;y=768;empty"},
{tmpl: "{?x,y}", want: "?x=1024&y=768"},
{tmpl: "{?x,y,empty}", want: "?x=1024&y=768&empty="},
{tmpl: "?fixed=yes{&x}", want: "?fixed=yes&x=1024"},
{tmpl: "{&x,y,empty}", want: "&x=1024&y=768&empty="},
{tmpl: "{var:3}", want: "val"},
{tmpl: "{var:30}", want: "value"},
{tmpl: "{+path:6}/here", want: "/foo/b/here"},
{tmpl: "{#path:6}/here", want: "#/foo/b/here"},
{tmpl: "X{.var:3}", want: "X.val"},
{tmpl: "{/var:1,var}", want: "/v/value"},
{tmpl: "{;hello:5}", want: ";hello=Hello"},
{tmpl: "{?var:3}", want: "?var=val"},
{tmpl: "{&var:3}", want: "&var=val"},
// 2.4.1 Prefix values.
{tmpl: "{var}", want: "value"},
{tmpl: "{var:20}", want: "value"},
{tmpl: "{var:3}", want: "val"},
{tmpl: "{semi}", want: "%3B"},
{tmpl: "{semi:2}", want: "%3B"},
// 3.2.2. Simple String Expansion: {var}
{tmpl: "{var}", want: "value"},
{tmpl: "{hello}", want: "Hello%20World%21"},
{tmpl: "{half}", want: "50%25"},
{tmpl: "O{empty}X", want: "OX"},
{tmpl: "O{undef}X", want: "OX"},
{tmpl: "{x,y}", want: "1024,768"},
{tmpl: "{x,hello,y}", want: "1024,Hello%20World%21,768"},
{tmpl: "?{x,empty}", want: "?1024,"},
{tmpl: "?{x,undef}", want: "?1024"},
{tmpl: "?{undef,y}", want: "?768"},
{tmpl: "{var:3}", want: "val"},
{tmpl: "{var:30}", want: "value"},
// 3.2.3. Reserved Expansion: {+var}
{tmpl: "{+var}", want: "value"},
{tmpl: "{+hello}", want: "Hello%20World!"},
{tmpl: "{+half}", want: "50%25"},
{tmpl: "{base}index", want: "http%3A%2F%2Fexample.com%2Fhome%2Findex"},
{tmpl: "{+base}index", want: "http://example.com/home/index"},
{tmpl: "O{+empty}X", want: "OX"},
{tmpl: "O{+undef}X", want: "OX"},
{tmpl: "{+path}/here", want: "/foo/bar/here"},
{tmpl: "here?ref={+path}", want: "here?ref=/foo/bar"},
{tmpl: "up{+path}{var}/here", want: "up/foo/barvalue/here"},
{tmpl: "{+x,hello,y}", want: "1024,Hello%20World!,768"},
{tmpl: "{+path,x}/here", want: "/foo/bar,1024/here"},
{tmpl: "{+path:6}/here", want: "/foo/b/here"},
// 3.2.4. Fragment Expansion: {#var}
{tmpl: "{#var}", want: "#value"},
{tmpl: "{#hello}", want: "#Hello%20World!"},
{tmpl: "{#half}", want: "#50%25"},
{tmpl: "foo{#empty}", want: "foo#"},
{tmpl: "foo{#undef}", want: "foo"},
{tmpl: "{#x,hello,y}", want: "#1024,Hello%20World!,768"},
{tmpl: "{#path,x}/here", want: "#/foo/bar,1024/here"},
{tmpl: "{#path:6}/here", want: "#/foo/b/here"},
// 3.2.5. Label Expansion with Dot-Prefix: {.var}
{tmpl: "{.who}", want: ".fred"},
{tmpl: "{.who,who}", want: ".fred.fred"},
{tmpl: "{.half,who}", want: ".50%25.fred"},
{tmpl: "X{.var}", want: "X.value"},
{tmpl: "X{.empty}", want: "X."},
{tmpl: "X{.undef}", want: "X"},
{tmpl: "X{.var:3}", want: "X.val"},
// 3.2.6. Path Segment Expansion: {/var}
{tmpl: "{/who}", want: "/fred"},
{tmpl: "{/who,who}", want: "/fred/fred"},
{tmpl: "{/half,who}", want: "/50%25/fred"},
{tmpl: "{/who,dub}", want: "/fred/me%2Ftoo"},
{tmpl: "{/var}", want: "/value"},
{tmpl: "{/var,empty}", want: "/value/"},
{tmpl: "{/var,undef}", want: "/value"},
{tmpl: "{/var,x}/here", want: "/value/1024/here"},
{tmpl: "{/var:1,var}", want: "/v/value"},
// 3.2.7. Path-Style Parameter Expansion: {;var}
{tmpl: "{;who}", want: ";who=fred"},
{tmpl: "{;half}", want: ";half=50%25"},
{tmpl: "{;empty}", want: ";empty"},
{tmpl: "{;v,empty,who}", want: ";v=6;empty;who=fred"},
{tmpl: "{;v,bar,who}", want: ";v=6;who=fred"},
{tmpl: "{;x,y}", want: ";x=1024;y=768"},
{tmpl: "{;x,y,empty}", want: ";x=1024;y=768;empty"},
{tmpl: "{;x,y,undef}", want: ";x=1024;y=768"},
{tmpl: "{;hello:5}", want: ";hello=Hello"},
// 3.2.8. Form-Style Query Expansion: {?var}
{tmpl: "{?who}", want: "?who=fred"},
{tmpl: "{?half}", want: "?half=50%25"},
{tmpl: "{?x,y}", want: "?x=1024&y=768"},
{tmpl: "{?x,y,empty}", want: "?x=1024&y=768&empty="},
{tmpl: "{?x,y,undef}", want: "?x=1024&y=768"},
{tmpl: "{?var:3}", want: "?var=val"},
// 3.2.9. Form-Style Query Continuation: {&var}
{tmpl: "{&who}", want: "&who=fred"},
{tmpl: "{&half}", want: "&half=50%25"},
{tmpl: "?fixed=yes{&x}", want: "?fixed=yes&x=1024"},
{tmpl: "{&x,y,empty}", want: "&x=1024&y=768&empty="},
{tmpl: "{&x,y,undef}", want: "&x=1024&y=768"},
{tmpl: "{&var:3}", want: "&var=val"},
}
for _, tt := range testCases {
esc, unesc, err := Expand(tt.tmpl, values)
if err != nil {
t.Errorf("Expand(%q) error: %v", tt.tmpl, err)
continue
}
if esc != tt.want {
t.Errorf("Expand(%q)\ngot %q\nwant %q", tt.tmpl, esc, tt.want)
}
// Check that the escaped form is equivalent to unescaped.
urlUnesc, err := url.QueryUnescape(esc)
if err != nil {
t.Errorf("Expand(%q) gave invalid escaping %q: %v", tt.tmpl, esc, err)
continue
}
if urlUnesc != unesc {
t.Errorf("Expand(%q) gave inconsistent escaped/unescaped\nunescaped %q\nescaped %q\nwhich is %q", tt.tmpl, unesc, esc, urlUnesc)
}
}
}
func TestExpandUnescaped(t *testing.T) {
testCases := []struct {
tmpl, wantEsc, wantUnesc string
values map[string]string
}{
{
tmpl: "/foo/{bucket}/bar",
values: map[string]string{
"bucket": "simple",
},
wantEsc: "/foo/simple/bar",
wantUnesc: "/foo/simple/bar",
},
{
tmpl: "/foo/{bucket}/bar",
values: map[string]string{
"bucket": "path/with/slash",
},
wantEsc: "/foo/path%2Fwith%2Fslash/bar",
wantUnesc: "/foo/path/with/slash/bar",
},
{
tmpl: "/foo/{+bucket}/bar",
values: map[string]string{
"bucket": "path/with/slash",
},
wantEsc: "/foo/path/with/slash/bar",
wantUnesc: "/foo/path/with/slash/bar",
},
{
tmpl: "/foo/{bucket}/bar",
values: map[string]string{
"bucket": "double%2Fescaped",
},
wantEsc: "/foo/double%252Fescaped/bar",
wantUnesc: "/foo/double%2Fescaped/bar",
},
}
for _, tt := range testCases {
esc, unesc, err := Expand(tt.tmpl, tt.values)
if err != nil {
t.Errorf("Expand(%q) error: %v", tt.tmpl, err)
continue
}
if esc != tt.wantEsc || unesc != tt.wantUnesc {
t.Errorf("Expand(%q)\ngot esc=%q, unesc=%q\nwant esc=%q, unesc=%q", tt.tmpl, esc, unesc, tt.wantEsc, tt.wantUnesc)
}
}
}
Zerion Mini Shell 1.0