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Copy patheval_test.go
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eval_test.go
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// Copyright 2016 José Santos <[email protected]>
//
// 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 jet
import (
"bytes"
"fmt"
"io"
"reflect"
"strconv"
"strings"
"testing"
"text/template"
)
var (
JetTestingLoader = NewInMemLoader()
JetTestingSet = NewSet(JetTestingLoader, WithSafeWriter(nil))
ww io.Writer = (*devNull)(nil)
users = []*User{
{"Mario Santos", "[email protected]"},
{"Joel Silva", "[email protected]"},
{"Luis Santana", "[email protected]"},
{"Luis Santana", "[email protected]"},
{"Mario Santos", "[email protected]"},
{"Joel Silva", "[email protected]"},
{"Luis Santana", "[email protected]"},
{"Luis Santana", "[email protected]"},
{"Mario Santos", "[email protected]"},
{"Joel Silva", "[email protected]"},
{"Luis Santana", "[email protected]"},
{"Luis Santana", "[email protected]"},
{"Mario Santos", "[email protected]"},
{"Joel Silva", "[email protected]"},
{"Luis Santana", "[email protected]"},
{"Luis Santana", "[email protected]"},
{"Mario Santos", "[email protected]"},
{"Joel Silva", "[email protected]"},
{"Luis Santana", "[email protected]"},
{"Luis Santana", "[email protected]"},
{"Mario Santos", "[email protected]"},
{"Joel Silva", "[email protected]"},
{"Luis Santana", "[email protected]"},
{"Luis Santana", "[email protected]"},
}
stdSet = template.New("base")
)
type devNull struct{}
func (*devNull) Write(_ []byte) (int, error) {
return 0, nil
}
func dummy(a string) string {
return a
}
func init() {
stdSet.Funcs(template.FuncMap{"dummy": dummy})
_, err := stdSet.Parse(`
{{define "actionNode_dummy"}}hello {{dummy "WORLD"}}{{end}}
{{define "noAllocFn"}}hello {{ "José" }} {{1}} {{ "José" }} {{end}}
{{define "rangeOverUsers_Set"}}{{range $index,$val := . }}{{$index}}:{{$val.Name}}-{{$val.Email}}{{end}}{{end}}
{{define "rangeOverUsers"}}{{range . }}{{.Name}}-{{.Email}}{{end}}{{end}}
`)
if err != nil {
println(err.Error())
}
JetTestingSet.AddGlobal("dummy", dummy)
JetTestingSet.AddGlobalFunc("customFn", func(args Arguments) reflect.Value {
args.RequireNumOfArguments("customFn", 1, 1)
return args.Get(0)
})
JetTestingLoader.Set("actionNode_dummy", `hello {{dummy("WORLD")}}`)
JetTestingLoader.Set("noAllocFn", `hello {{ "José" }} {{1}} {{ "José" }}`)
JetTestingLoader.Set("rangeOverUsers", `{{range .}}{{.Name}}-{{.Email}}{{end}}`)
JetTestingLoader.Set("rangeOverUsers_Set", `{{range index,user:= . }}{{index}}{{user.Name}}-{{user.Email}}{{end}}`)
JetTestingLoader.Set("BenchNewBlock", "{{ block col(md=12,offset=0) }}\n<div class=\"col-md-{{md}} col-md-offset-{{offset}}\">{{ yield content }}</div>\n\t\t{{ end }}\n\t\t{{ block row(md=12) }}\n<div class=\"row {{md}}\">{{ yield content }}</div>\n\t\t{{ content }}\n<div class=\"col-md-1\"></div>\n<div class=\"col-md-1\"></div>\n<div class=\"col-md-1\"></div>\n\t\t{{ end }}\n\t\t{{ block header() }}\n<div class=\"header\">\n\t{{ yield row() content}}\n\t\t{{ yield col(md=6) content }}\n{{ yield content }}\n\t\t{{end}}\n\t{{end}}\n</div>\n\t\t{{content}}\n<h1>Hey</h1>\n\t\t{{ end }}")
JetTestingLoader.Set("BenchCustomRanger", "{{range .}}{{.Name}}{{end}}")
JetTestingLoader.Set("BenchIntsRanger", "{{range ints(0, .)}} {{end}}")
JetTestingLoader.Set("BenchCustomRender", "{{range k, v := ints(0, .N)}}{{.Field}}{{end}}")
JetTestingLoader.Set("BenchCallCustomFn", "{{range ints(0, .N)}}{{customFn(.)}}{{end}}")
JetTestingLoader.Set("BenchExecPipeline", "{{range ints(0, .N)}}{{. | customFn}}{{end}}")
}
func RunJetTest(t *testing.T, variables VarMap, context interface{}, testName, testContent, testExpected string) {
if testContent != "" {
JetTestingLoader.Set(testName, testContent)
}
RunJetTestWithSet(t, JetTestingSet, variables, context, testName, testExpected)
}
func RunJetTestWithSet(t *testing.T, set *Set, variables VarMap, context interface{}, testName, testExpected string) {
tt, err := set.GetTemplate(testName)
if err != nil {
t.Errorf("Error parsing templates for test %s: %v", testName, err)
return
}
RunJetTestWithTemplate(t, tt, variables, context, testExpected)
}
func RunJetTestWithTemplate(t *testing.T, tt *Template, variables VarMap, context interface{}, testExpected string) {
if testing.RunTests(func(pat, str string) (bool, error) {
return true, nil
}, []testing.InternalTest{
{
Name: fmt.Sprintf("\tJetTest(%s)", tt.Name),
F: func(t *testing.T) {
var buf bytes.Buffer
err := tt.Execute(&buf, variables, context)
if err != nil {
t.Errorf("Eval error: %q executing %s", err.Error(), tt.Name)
return
}
result := strings.Replace(buf.String(), "\r\n", "\n", -1)
if result != testExpected {
t.Errorf("Result error expected %q got %q on %s", testExpected, result, tt.Name)
}
},
},
}) == false {
t.Fail()
}
}
func TestEvalTextNode(t *testing.T) {
RunJetTest(t, nil, nil, "textNode", `hello {*Buddy*} World`, `hello World`)
}
type User struct {
Name, Email string
}
func (user *User) Format(str string) string {
return fmt.Sprintf(str, user.Name, user.Email)
}
func (user *User) GetName() string {
return user.Name
}
func TestEvalActionNode(t *testing.T) {
var data = make(VarMap)
data.Set("user", &User{
"José Santos", "[email protected]",
})
data.Set("print", fmt.Sprint)
data.Set("printf", fmt.Sprintf)
RunJetTest(t, nil, nil, "actionNode", `hello {{"world"}}`, `hello world`)
RunJetTest(t, nil, nil, "actionNode_trim", `hello {{- " world" -}} !`, `hello world!`)
RunJetTest(t, data, nil, "actionNode_func", `hello {{lower: "WORLD"}}`, `hello world`)
RunJetTest(t, data, nil, "actionNode_func_variadic", `{{ print("hello world") }}`, `hello world`)
RunJetTest(t, data, nil, "actionNode_func_variadic2", `{{ printf("hello %s", "world") }}`, `hello world`)
RunJetTest(t, data, nil, "actionNode_funcPipe", `hello {{lower: "WORLD" |upper}}`, `hello WORLD`)
RunJetTest(t, data, nil, "actionNode_funcPipe_parens", `{{ "foo" | repeat(2) }}`, `foofoo`)
RunJetTest(t, data, nil, "actionNode_funcPipe_parens2", `hello {{lower ( "WORLD" ) |upper}}`, `hello WORLD`)
RunJetTest(t, data, nil, "actionNode_funcPipeArg", `hello {{lower: "WORLD-" |upper|repeat: 2}}`, `hello WORLD-WORLD-`)
RunJetTest(t, data, nil, "actionNode_funcPipeArg_parens", `hello {{lower ("WORLD-" ) |upper|repeat(2) }}`, `hello WORLD-WORLD-`)
RunJetTest(t, data, nil, "pipelining_func_cap", `{{ 2 | repeat("foo", _) }}`, `foofoo`)
RunJetTest(t, data, nil, "pipelining_func_cap2", `{{ 2 | repeat("foo", _) | upper }}`, `FOOFOO`)
RunJetTest(t, data, nil, "pipelining_func_cap3", `{{ 2 | repeat("foo", _) | upper | repeat(_, 3) }}`, `FOOFOOFOOFOOFOOFOO`)
RunJetTest(t, data, nil, "pipelining_func_cap4", `{{ 2 | repeat: "foo", _ | upper | repeat: _, 3 }}`, `FOOFOOFOOFOOFOOFOO`)
RunJetTest(t, data, nil, "actionNode_Field", `Oi {{ user.Name }}`, `Oi José Santos`)
RunJetTest(t, data, nil, "actionNode_Field2", `Oi {{ user.Name }}<{{ user.Email }}>`, `Oi José Santos<[email protected]>`)
RunJetTest(t, data, nil, "actionNode_Method", `Oi {{ user.Format: "%s<%s>" }}`, `Oi José Santos<[email protected]>`)
RunJetTest(t, data, nil, "actionNode_Add", `{{ 2+1 }}`, fmt.Sprint(2+1))
RunJetTest(t, data, nil, "actionNode_Add3", `{{ 2+1+4 }}`, fmt.Sprint(2+1+4))
RunJetTest(t, data, nil, "actionNode_Add3Minus", `{{ 2+1+4-3 }}`, fmt.Sprint(2+1+4-3))
RunJetTest(t, data, nil, "actionNode_AddIntString", `{{ 2+"1" }}`, "3")
RunJetTest(t, data, nil, "actionNode_AddStringInt", `{{ "1"+2 }}`, "12")
RunJetTest(t, data, nil, "actionNode_AddStringByteSlice", `{{ "{foo:"+json("asd")+"}" }}`, `{foo:"asd"}`)
RunJetTest(t, data, nil, "actionNode_NumberNegative", `{{ -5 }}`, "-5")
RunJetTest(t, data, nil, "actionNode_NumberNegative_1", `{{ 1 + -5 }}`, fmt.Sprint(1+-5))
//this must be an error RunJetTest(t, data, nil, "actionNode_AddStringInt", `{{ "1"-2 }}`, "12")
RunJetTest(t, data, nil, "actionNode_Mult", `{{ 4*4 }}`, fmt.Sprint(4*4))
RunJetTest(t, data, nil, "actionNode_MultAdd", `{{ 2+4*4 }}`, fmt.Sprint(2+4*4))
RunJetTest(t, data, nil, "actionNode_MultAdd1", `{{ 4*2+4 }}`, fmt.Sprint(4*2+4))
RunJetTest(t, data, nil, "actionNode_MultAdd2", `{{ 2+4*2+4 }}`, fmt.Sprint(2+4*2+4))
RunJetTest(t, data, nil, "actionNode_MultFloat", `{{ 1.23*1 }}`, fmt.Sprint(1*1.23))
RunJetTest(t, data, nil, "actionNode_Mod", `{{ 3%2 }}`, fmt.Sprint(3%2))
RunJetTest(t, data, nil, "actionNode_MultMod", `{{ (1*3)%2 }}`, fmt.Sprint((1*3)%2))
RunJetTest(t, data, nil, "actionNode_MultDivMod", `{{ (2*5)/ 3 %1 }}`, fmt.Sprint((2*5)/3%1))
RunJetTest(t, data, nil, "actionNode_Comparation", `{{ (2*5)==10 }}`, fmt.Sprint((2*5) == 10))
RunJetTest(t, data, nil, "actionNode_Comparatation2", `{{ (2*5)==5 }}`, fmt.Sprint((2*5) == 5))
RunJetTest(t, data, nil, "actionNode_Logical", `{{ (2*5)==5 || true }}`, fmt.Sprint((2*5) == 5 || true))
RunJetTest(t, data, nil, "actionNode_Logical2", `{{ (2*5)==5 || false }}`, fmt.Sprint((2*5) == 5 || false))
RunJetTest(t, data, nil, "actionNode_NumericCmp", `{{ 5*5 > 2*12.5 }}`, fmt.Sprint(5*5 > 2*12.5))
RunJetTest(t, data, nil, "actionNode_NumericCmp1", `{{ 5*5 >= 2*12.5 }}`, fmt.Sprint(5*5 >= 2*12.5))
RunJetTest(t, data, nil, "actionNode_NumericCmp1", `{{ 5 * 5 > 2 * 12.5 == 5 * 5 > 2 * 12.5 }}`, fmt.Sprint((5*5 > 2*12.5) == (5*5 > 2*12.5)))
//
// assignments
//
called := false
markCalled := func() int { called = true; return 123 }
data.Set("mark", markCalled)
setup := func() {
called = false
data.Set("called", &called)
}
tearDown := func() {
delete(data, "called")
}
setup()
// test discard syntax
RunJetTest(t, data, nil, "actionNode_assign_discard", `{{ _ = mark() ; called }}`, "true")
if !called {
t.Log("function whose value should be evaluated but discarded was never called!")
t.Fail()
}
if _, ok := data["_"]; ok {
t.Log("a variable with name '_' was set!")
t.Fail()
}
tearDown()
setup()
// test identifier starting with '_'
RunJetTest(t, data, nil, "actionNode_assign_underscore", `{{ _foo := mark() ; called && _foo == 123 }}`, "true")
tearDown()
}
func TestEvalIfNode(t *testing.T) {
var data = make(VarMap)
data.Set("lower", strings.ToLower)
data.Set("upper", strings.ToUpper)
data.Set("repeat", strings.Repeat)
data.Set("user", &User{
"José Santos", "[email protected]",
})
RunJetTest(t, data, nil, "ifNode_simples", `{{if true}}hello{{end}}`, `hello`)
RunJetTest(t, data, nil, "ifNode_else", `{{if false}}hello{{else}}world{{end}}`, `world`)
RunJetTest(t, data, nil, "ifNode_elseif", `{{if false}}hello{{else if true}}world{{end}}`, `world`)
RunJetTest(t, data, nil, "ifNode_elseif_else", `{{if false}}hello{{else if false}}world{{else}}buddy{{end}}`, `buddy`)
RunJetTest(t, data, nil, "ifNode_string_comparison", `{{user["Name"]}} (email: {{user.Email}}): {{if user.Email == "[email protected]"}}email is [email protected]{{else}}email is not [email protected]{{end}}`, `José Santos (email: [email protected]): email is not [email protected]`)
}
func TestEvalBlockYieldIncludeNode(t *testing.T) {
var data = make(VarMap)
data.Set("user", &User{
"José Santos", "[email protected]",
})
RunJetTest(t, data, nil, "Block_simple", `{{block hello() "Buddy" }}Hello {{ . }}{{end}},{{yield hello() user.Name}}`, `Hello Buddy,Hello José Santos`)
RunJetTest(t, data, nil, "Block_Extends", `{{extends "Block_simple"}}{{block hello() "Buddy" }}Hey {{ . }}{{end}}`, `Hey Buddy,Hey José Santos`)
RunJetTest(t, data, nil, "Block_Import", `{{import "Block_simple"}}{{yield hello() "Buddy"}}`, `Hello Buddy`)
RunJetTest(t, data, nil, "Block_Import", `{{import "Block_simple"}}{{yield hello() "Buddy"}}`, `Hello Buddy`)
JetTestingLoader.Set("Block_ImportInclude1", `{{yield hello() "Buddy"}}`)
RunJetTest(t, data, nil, "Block_ImportInclude", `{{ import "Block_simple"}}{{include "Block_ImportInclude1"}}`, `Hello Buddy`)
RunJetTest(t, data, nil,
"Block_Content",
"{{ block col(md=12,offset=0) }}\n<div class=\"col-md-{{md}} col-md-offset-{{offset}}\">{{ yield content }}</div>\n\t\t{{ end }}\n\t\t{{ block row(md=12) }}\n<div class=\"row {{md}}\">{{ yield content }}</div>\n\t\t{{ content }}\n<div class=\"col-md-1\"></div>\n<div class=\"col-md-1\"></div>\n<div class=\"col-md-1\"></div>\n\t\t{{ end }}\n\t\t{{ block header() }}\n<div class=\"header\">\n\t{{ yield row() content}}\n\t\t{{ yield col(md=6) content }}\n{{ yield content }}\n\t\t{{end}}\n\t{{end}}\n</div>\n\t\t{{content}}\n<h1>Hey</h1>\n\t\t{{ end }}",
"\n<div class=\"col-md-12 col-md-offset-0\"></div>\n\t\t\n\t\t\n<div class=\"row 12\">\n<div class=\"col-md-1\"></div>\n<div class=\"col-md-1\"></div>\n<div class=\"col-md-1\"></div>\n\t\t</div>\n\t\t\n\t\t\n<div class=\"header\">\n\t\n<div class=\"row 12\">\n\t\t\n<div class=\"col-md-6 col-md-offset-0\">\n\n<h1>Hey</h1>\n\t\t\n\t\t</div>\n\t\t\n\t</div>\n\t\t\n</div>\n\t\t",
)
JetTestingLoader.Set("BlockContentLib", "{{block col(columns)}}\n <div class=\"col {{columns}}\">{{yield content}}</div>\n{{end}}\n{{block row(cols=\"\")}}\n <div class=\"row\">\n {{if len(cols) > 0}}\n {{yield col(columns=cols) content}}{{yield content}}{{end}}\n {{else}}\n {{yield content}}\n {{end}}\n </div>\n{{end}}")
RunJetTest(t, nil, nil, "BlockContentParam",
`{{import "BlockContentLib"}}{{yield row(cols="12") content}}{{cols}}{{end}}`,
"\n <div class=\"row\">\n \n \n <div class=\"col 12\">12</div>\n\n \n </div>\n")
JetTestingLoader.Set("BlockContentLib2", `
{{block col(
columns,
)}}
<div class="col {{columns}}">{{yield content}}</div>
{{end}}
{{block row(
cols="",
rowClass="",
)}}
<div class="row {{ rowClass }}">
{{if len(cols) > 0}}
{{yield col(columns=cols) content}}
{{yield content}}
{{end}}
{{else}}
{{yield content}}
{{end}}
</div>
{{end}}
`)
RunJetTest(t, nil, nil, "BlockContentParam2",
`{{import "BlockContentLib2"}}
{{yield row(
cols="12",
rowClass="highlight-row",
) content}}
{{cols}}
{{end}}`,
"\n\t\t\t<div class=\"row highlight-row\">\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t<div class=\"col 12\">\n\t\t\t\t\t\t\n\t\t\t12\n\t\t\n\t\t\t\t\t</div>\n\t\t\n\t\t\t\t\n\t\t\t</div>\n\t\t",
)
}
func TestEvalRangeNode(t *testing.T) {
var data = make(VarMap)
data.Set("users", []User{
{"Mario Santos", "[email protected]"},
{"Joel Silva", "[email protected]"},
{"Luis Santana", "[email protected]"},
})
const resultString = `<h1>Mario Santos<small>[email protected]</small></h1><h1>Joel Silva<small>[email protected]</small></h1><h1>Luis Santana<small>[email protected]</small></h1>`
RunJetTest(t, data, nil, "Range_Expression", `{{range users}}<h1>{{.Name}}<small>{{.Email}}</small></h1>{{end}}`, resultString)
RunJetTest(t, data, nil, "Range_ExpressionValue", `{{range _,user:=users}}<h1>{{user.Name}}<small>{{user.Email}}</small></h1>{{end}}`, resultString)
var resultString2 = `<h1>0: Mario Santos<small>[email protected]</small></h1><h1>Joel Silva<small>[email protected]</small></h1><h1>2: Luis Santana<small>[email protected]</small></h1>`
RunJetTest(t, data, nil, "Range_ExpressionValueIf", `{{range i, user:=users}}<h1>{{if i == 0 || i == 2}}{{i}}: {{end}}{{user.Name}}<small>{{user.Email}}</small></h1>{{end}}`, resultString2)
}
func TestEvalDefaultFuncs(t *testing.T) {
RunJetTest(t, nil, nil, "DefaultFuncs_safeHtml", `<h1>{{"<h1>Hello Buddy!</h1>" |safeHtml}}</h1>`, `<h1><h1>Hello Buddy!</h1></h1>`)
RunJetTest(t, nil, nil, "DefaultFuncs_safeHtml2", `<h1>{{safeHtml: "<h1>Hello Buddy!</h1>"}}</h1>`, `<h1><h1>Hello Buddy!</h1></h1>`)
RunJetTest(t, nil, nil, "DefaultFuncs_htmlEscape", `<h1>{{html: "<h1>Hello Buddy!</h1>"}}</h1>`, `<h1><h1>Hello Buddy!</h1></h1>`)
RunJetTest(t, nil, nil, "DefaultFuncs_urlEscape", `<h1>{{url: "<h1>Hello Buddy!</h1>"}}</h1>`, `<h1>%3Ch1%3EHello+Buddy%21%3C%2Fh1%3E</h1>`)
RunJetTest(t, nil, &User{"Mario Santos", "[email protected]"}, "DefaultFuncs_json", `{{. |writeJson}}`, "{\"Name\":\"Mario Santos\",\"Email\":\"[email protected]\"}\n")
RunJetTest(t, nil, nil, "DefaultFuncs_replace", `{{replace("My Name Is", " ", "_", -1)}}`, "My_Name_Is")
RunJetTest(t, nil, nil, "DefaultFuncs_replace_multiline_statement",
`{{replace("My Name Is II",
" ",
"_",
-1,
)}}`,
"My_Name_Is_II",
)
var data = make(VarMap)
data.Set("m", map[string]interface{}{
"arr": []string{"foo", "bar"},
"str": "some string",
"byte_arr": []byte("a string as byte slice"),
"num": 123.45,
})
RunJetTest(t, data, nil, "DefaultFuncs_json_1", `{{json(m)}}`, `{"arr":["foo","bar"],"byte_arr":"YSBzdHJpbmcgYXMgYnl0ZSBzbGljZQ==","num":123.45,"str":"some string"}`)
RunJetTest(t, data, nil, "DefaultFuncs_json_2", `{{json(m.arr)}}`, `["foo","bar"]`)
}
func TestEvalIssetAndTernaryExpression(t *testing.T) {
var data = make(VarMap)
data.Set("title", "title")
RunJetTest(t, nil, nil, "IssetExpression_1", `{{isset(value)}}`, "false")
RunJetTest(t, data, nil, "IssetExpression_2", `{{isset(title)}}`, "true")
user := &User{
"José Santos", "[email protected]",
}
RunJetTest(t, nil, user, "IssetExpression_3", `{{isset(.Name)}}`, "true")
RunJetTest(t, nil, user, "IssetExpression_4", `{{isset(.Names)}}`, "false")
RunJetTest(t, data, user, "IssetExpression_5", `{{isset(title)}}`, "true")
RunJetTest(t, data, user, "IssetExpression_6", `{{isset(title.Get)}}`, "false")
RunJetTest(t, nil, user, "TernaryExpression_4", `{{isset(.Names)?"All names":"no names"}}`, "no names")
RunJetTest(t, nil, user, "TernaryExpression_5", `{{isset(.Name)?"All names":"no names"}}`, "All names")
RunJetTest(t, data, user, "TernaryExpression_6", `{{ isset(form) ? form.Get("value") : "no form" }}`, "no form")
}
func TestEvalIndexExpression(t *testing.T) {
RunJetTest(t, nil, []string{"111", "222"}, "IndexExpressionSlice_1", `{{.[1]}}`, `222`)
RunJetTest(t, nil, map[string]string{"name": "value"}, "IndexExpressionMap_1", `{{.["name"]}}`, "value")
RunJetTest(t, nil, map[string]string{"name": "value"}, "IndexExpressionMap_2", `{{.["non_existant_key"]}}`, "")
RunJetTest(t, nil, map[string]string{"name": "value"}, "IndexExpressionMap_3", `{{isset(.["non_existant_key"]) ? "key does exist" : "key does not exist"}}`, "key does not exist")
RunJetTest(t, nil, map[string]string{"name": "value"}, "IndexExpressionMap_4", `{{if v, ok := .["name"]; ok}}key does exist and has the value '{{v}}'{{else}}key does not exist{{end}}`, "key does exist and has the value 'value'")
RunJetTest(t, nil, map[string]string{"name": "value"}, "IndexExpressionMap_5", `{{if v, ok := .["non_existant_key"]; ok}}key does exist and has the value '{{v}}'{{else}}key does not exist{{end}}`, "key does not exist")
RunJetTest(t, nil, map[string]interface{}{"nested": map[string]string{"name": "value"}}, "IndexExpressionMap_6", `{{.["nested"].name}}`, "value")
vars := make(VarMap)
vars.Set("nested", map[string]interface{}{
"key": "nested",
"nested": map[string]interface{}{
"nested": map[string]interface{}{
"nested": map[string]interface{}{
"name": "value",
"strings": []string{"hello"},
"arr": []interface{}{"hello"},
"nil": nil,
},
},
},
})
//RunJetTest(t, vars, nil, "IndexExpressionMap_6", `{{nested.nested.nested.nested.name}}`, "value")
// todo: this test is failing with race detector enabled, but looks like a bug when running with the race detector enabled
RunJetTest(t, vars, nil, "IndexExpressionMap_7", `{{nested.nested.nested.nested.strings[0]}}`, "hello")
RunJetTest(t, vars, nil, "IndexExpressionMap_8", `{{nested.nested.nested.nested.arr[0]}}`, "hello")
RunJetTest(t, vars, nil, "IndexExpressionMap_8_1", `{{nested.nested.nested.nested["arr"][0]}}`, "hello")
RunJetTest(t, vars, nil, "IndexExpressionMap_9", `{{nested[nested.key].nested.nested.name}}`, "value")
RunJetTest(t, vars, nil, "IndexExpressionMap_10", `{{nested["nested"].nested.nested.name}}`, "value")
RunJetTest(t, vars, nil, "IndexExpressionMap_11", `{{nested.nested.nested["nested"].name}}`, "value")
RunJetTest(t, vars, nil, "IndexExpressionMap_12", `{{nested.nested.nested["nested"]["strings"][0]}}`, "hello")
RunJetTest(t, vars, nil, "IndexExpressionMap_13", `{{nested.nested.nested["nested"]["arr"][0]}}`, "hello")
RunJetTest(t, vars, nil, "IndexExpressionMap_14", `{{nested["nested"].nested["nested"].name}}`, "value")
RunJetTest(t, vars, nil, "IndexExpressionMap_15", `{{nested["nested"]["nested"].nested.name}}`, "value")
RunJetTest(t, vars, nil, "IndexExpressionMap_16_1", `{{nested.nested.nested.nested.nil}}`, "<nil>")
RunJetTest(t, vars, nil, "IndexExpressionMap_16_2", `{{nested.nested.nested.nested["nil"]}}`, "<nil>")
RunJetTest(t, nil, &User{"José Santos", "[email protected]"}, "IndexExpressionStruct_2", `{{.["Email"]}}`, "[email protected]")
}
func TestEvalSliceExpression(t *testing.T) {
RunJetTest(t, nil, []string{"111", "222", "333", "444"}, "SliceExpressionSlice_1", `{{range .[1:]}}{{.}}{{end}}`, `222333444`)
RunJetTest(t, nil, []string{"111", "222", "333", "444"}, "SliceExpressionSlice_2", `{{range .[:2]}}{{.}}{{end}}`, `111222`)
RunJetTest(t, nil, []string{"111", "222", "333", "444"}, "SliceExpressionSlice_3", `{{range .[:]}}{{.}}{{end}}`, `111222333444`)
RunJetTest(t, nil, []string{"111", "222", "333", "444"}, "SliceExpressionSlice_4", `{{range .[0:2]}}{{.}}{{end}}`, `111222`)
RunJetTest(t, nil, []string{"111", "222", "333", "444"}, "SliceExpressionSlice_5", `{{range .[1:2]}}{{.}}{{end}}`, `222`)
RunJetTest(t, nil, []string{"111", "222", "333", "444"}, "SliceExpressionSlice_6", `{{range .[1:3]}}{{.}}{{end}}`, `222333`)
RunJetTest(t, nil, []string{"111"}, "SliceExpressionSlice_BugIndex", `{{range k,v:= . }}{{k}}{{end}}`, `0`)
RunJetTest(t, nil, []string{"111"}, "SliceExpressionSlice_IfLen", `{{if len(.) > 0}}{{.[0]}}{{end}}`, `111`)
}
type StringerType struct {
//
}
func (st *StringerType) String() string {
return "StringerType implements fmt.Stringer"
}
func TestEvalPointerExpressions(t *testing.T) {
var data = make(VarMap)
var s *string
data.Set("stringPointer", s)
RunJetTest(t, data, nil, "StringPointer_1", `{{ stringPointer }}`, "<nil>")
s2 := "test"
data.Set("stringPointer2", &s2)
RunJetTest(t, data, nil, "StringPointer_2", `{{ stringPointer2 }}`, "test")
i2 := 10
data.Set("intPointer2", &i2)
RunJetTest(t, data, nil, "IntPointer_2", `{{ intPointer2 }}`, "10")
var i *int
data.Set("intPointer", &i)
RunJetTest(t, data, nil, "IntPointer_i", `{{ intPointer }}`, "<nil>")
st := StringerType{}
data.Set("stringerType", &st) // stringerType won't be dereferenced
RunJetTest(t, data, nil, "StringerTypePointer", `{{ stringerType }}`, "StringerType implements fmt.Stringer")
st2 := &StringerType{}
data.Set("stringerType2", &st2) // stringerType2 will be dereferenced just once
RunJetTest(t, data, nil, "StringerTypePointer2", `{{ stringerType2 }}`, "StringerType implements fmt.Stringer")
u := User{
Name: "Pablo Escobbar",
Email: "[email protected]",
}
data.Set("user", &u) // user will be dereferenced once
RunJetTest(t, data, nil, "UserPointer", `{{ user }}`, "{Pablo Escobbar [email protected]}")
u1 := &u
data.Set("user1", &u1) // user1 will be dereferenced twice
RunJetTest(t, data, nil, "UserPointer1", `{{ user1 }}`, "{Pablo Escobbar [email protected]}")
u2 := &u1
data.Set("user2", &u2) // user2 will be dereferenced only twice
RunJetTest(t, data, nil, "UserPointer2", `{{ user2 }}`, "&{Pablo Escobbar [email protected]}")
}
func TestEvalPointerLimitNumberOfDereferences(t *testing.T) {
var data = make(VarMap)
var i *int
data.Set("intPointer", &i)
RunJetTest(t, data, nil, "IntPointer_i", `{{ intPointer }}`, "<nil>")
j := &i
data.Set("intPointer", &j)
RunJetTest(t, data, nil, "IntPointer_j", `{{ intPointer }}`, "<nil>")
}
type Apple struct {
Flavor string
}
func (a *Apple) GetFlavor() string {
return a.Flavor
}
func (a *Apple) GetFlavorPtr() *string {
return &a.Flavor
}
func TestApple(t *testing.T) {
apples := map[string]*Apple{
"honeycrisp": {
Flavor: "crisp",
},
"red-delicious": {
Flavor: "poor",
},
"granny-smith": {
Flavor: "tart",
},
}
var data = make(VarMap)
data.SetFunc("GetAppleByName", func(a Arguments) reflect.Value {
name := a.Get(0).String()
return reflect.ValueOf(apples[name])
})
data.SetFunc("TellFlavor", func(a Arguments) reflect.Value {
apple := a.Get(0).Interface().(*Apple)
flav := apple.GetFlavor()
return reflect.ValueOf(flav)
})
RunJetTest(t, data, nil, "LookUpApple", `{{apple := GetAppleByName("honeycrisp")}}{{TellFlavor(apple)}}`, "crisp")
}
func TestEvalStructFieldAccess(t *testing.T) {
s := struct {
Exported int
unexported int
}{
Exported: 123,
unexported: 234,
}
var data = make(VarMap)
data.Set("struct", s)
RunJetTest(t, data, nil, "StructFieldAccess", `{{ struct.Exported }}`, "123")
var set = NewSet(NewInMemLoader(), WithSafeWriter(nil))
tt, err := set.parse("StructFieldAccess_unexported", `{{ struct.unexported }}`, false)
if err != nil {
t.Error(err)
}
buff := bytes.NewBuffer(nil)
err = tt.Execute(buff, data, nil)
if err == nil {
t.Error("expected evaluating unexported field of struct to fail with a runtime error but got nil")
}
}
func TestEvalStructFieldPointerExpressions(t *testing.T) {
var data = make(VarMap)
type structWithPointers struct {
StringField *string
IntField *int
StructField *structWithPointers
}
stringVal := "test"
intVal := 10
nestedStringVal := "nested"
s := structWithPointers{
StringField: &stringVal,
IntField: &intVal,
StructField: &structWithPointers{
StringField: &nestedStringVal,
},
}
data.Set("structWithPointerFields", s)
RunJetTest(t, data, nil, "PointerFields_1", `{{ structWithPointerFields.IntField }}`, "10")
RunJetTest(t, data, nil, "PointerFields_2", `{{ structWithPointerFields.StructField.IntField }}`, "<nil>")
RunJetTest(t, data, nil, "PointerFields_3", `{{ structWithPointerFields.StringField }}`, "test")
RunJetTest(t, data, nil, "PointerFields_4", `{{ structWithPointerFields.StructField.StringField }}`, "nested")
s2 := structWithPointers{
StringField: &stringVal,
IntField: &intVal,
}
data.Set("structWithPointerFields2", s2)
RunJetTest(t, data, nil, "PointerFields_5", `{{ structWithPointerFields2.IntField }}`, "10")
RunJetTest(t, data, nil, "PointerFields_6", `{{ structWithPointerFields2.StringField }}`, "test")
RunJetTest(t, data, nil, "PointerFields_7", `{{ structWithPointerFields2.StructField }}`, "<nil>")
var set = NewSet(NewOSFileSystemLoader("./testData"), WithSafeWriter(nil))
tt, err := set.parse("PointerFields_8", `{{ structWithPointerFields2.StructField.StringField }}`, false)
if err != nil {
t.Error(err)
}
buff := bytes.NewBuffer(nil)
err = tt.Execute(buff, data, nil)
if err == nil {
t.Error("expected evaluating field of nil struct to fail with a runtime error but got nil")
}
}
func TestEvalBuiltinExpression(t *testing.T) {
var data = make(VarMap)
RunJetTest(t, data, nil, "LenExpression_1", `{{len("111")}}`, "3")
RunJetTest(t, data, nil, "LenExpression_2", `{{isset(data)?len(data):0}}`, "0")
RunJetTest(t, data, []string{"", "", "", ""}, "LenExpression_3", `{{len(.)}}`, "4")
data.Set(
"foo", map[string]interface{}{
"asd": map[string]string{
"bar": "baz",
},
},
)
RunJetTest(t, data, nil, "LenExpression_pipeline", `{{"123" | len}}`, "3")
RunJetTest(t, data, nil, "IsSetExpression_7", `{{isset(foo)}}`, "true")
RunJetTest(t, data, nil, "IsSetExpression_8", `{{isset(foo.asd)}}`, "true")
RunJetTest(t, data, nil, "IsSetExpression_9", `{{isset(foo.asd.bar)}}`, "true")
RunJetTest(t, data, nil, "IsSetExpression_10", `{{isset(asd)}}`, "false")
RunJetTest(t, data, nil, "IsSetExpression_11", `{{isset(foo.bar)}}`, "false")
RunJetTest(t, data, nil, "IsSetExpression_12", `{{isset(foo.asd.foo)}}`, "false")
RunJetTest(t, data, nil, "IsSetExpression_13", `{{isset(foo.asd.bar.xyz)}}`, "false")
data.Set(
"foo", map[string]interface{}{},
)
RunJetTest(t, data, nil, "IsSetExpression_14", `{{isset(foo.asd[0].bar)}}`, "false")
RunJetTest(t, data, nil, "IsSetExpression_pipeline", `{{foo | isset}}`, "true")
}
func TestEvalAutoescape(t *testing.T) {
l := NewInMemLoader()
set := NewSet(l)
l.Set("Autoescapee_Test1", `<h1>{{"<h1>Hello Buddy!</h1>" }}</h1>`)
RunJetTestWithSet(t, set, nil, nil, "Autoescapee_Test1", "<h1><h1>Hello Buddy!</h1></h1>")
l.Set("Autoescapee_Test2", `<h1>{{"<h1>Hello Buddy!</h1>" |unsafe }}</h1>`)
RunJetTestWithSet(t, set, nil, nil, "Autoescapee_Test2", "<h1><h1>Hello Buddy!</h1></h1>")
}
func TestFileResolve(t *testing.T) {
set := NewSet(NewOSFileSystemLoader("./testData/resolve"))
RunJetTestWithSet(t, set, nil, nil, "simple", "simple")
RunJetTestWithSet(t, set, nil, nil, "simple.jet", "simple.jet")
RunJetTestWithSet(t, set, nil, nil, "extension", "extension.jet.html")
RunJetTestWithSet(t, set, nil, nil, "extension.jet.html", "extension.jet.html")
RunJetTestWithSet(t, set, nil, nil, "./sub/subextend", "simple - simple.jet - extension.jet.html")
RunJetTestWithSet(t, set, nil, nil, "./sub/extend", "simple - simple.jet - extension.jet.html")
//for key, _ := range set.templates {
// t.Log(key)
//}
}
func TestIncludeIfNotExists(t *testing.T) {
set := NewSet(NewOSFileSystemLoader("./testData/includeIfNotExists"))
RunJetTestWithSet(t, set, nil, nil, "existent", "Hi, i exist!!")
RunJetTestWithSet(t, set, nil, nil, "notExistent", "")
RunJetTestWithSet(t, set, nil, nil, "ifIncludeIfExits", "Hi, i exist!!\n Was included!!\n\n\n Was not included!!\n\n")
RunJetTestWithSet(t, set, nil, "World", "wcontext", "Hi, Buddy!\nHi, World!")
// Check if includeIfExists helper bubbles up runtime errors of included templates
tt, err := set.GetTemplate("includeBroken")
if err != nil {
t.Error(err)
}
buff := bytes.NewBuffer(nil)
err = tt.Execute(buff, nil, nil)
if err == nil {
t.Error("expected includeIfExists helper to fail with a runtime error but got nil")
}
}
func TestExecReturn(t *testing.T) {
set := NewSet(NewOSFileSystemLoader("./testData/execReturn"))
RunJetTestWithSet(t, set, nil, nil, "simple", "\n\n... some content that will be discarded when this template runs inside exec() ...\n\n")
RunJetTestWithSet(t, set, nil, nil, "test_simple", "foo\n")
RunJetTestWithSet(t, set, nil, nil, "in_if", "\n\n\n")
RunJetTestWithSet(t, set, nil, nil, "test_in_if", "from inside if branch\n")
context := map[string]interface{}{"arr": []string{"foo", "bar"}}
RunJetTestWithSet(t, set, nil, context, "in_range", "\n0: foo\n\n\n")
RunJetTestWithSet(t, set, nil, context, "test_in_range", "from inside if branch inside range\n")
RunJetTestWithSet(t, set, nil, nil, "included", "... some content that will be discarded when this template runs inside exec() ...\n\n")
RunJetTestWithSet(t, set, nil, nil, "in_include", "bla bla\n... some content that will be discarded when this template runs inside exec() ...\n\n\nfoo\n")
RunJetTestWithSet(t, set, nil, nil, "test_in_include", "from inside included template\n")
}
func TestTryCatch(t *testing.T) {
set := NewSet(NewOSFileSystemLoader("./testData/tryCatch"))
RunJetTestWithSet(t, set, nil, nil, "try", "before try without panic ...\n\nsome content\n\nfoo\n\nafter try without panic ...\nbefore panic ...\n\nafter panic ...")
RunJetTestWithSet(t, set, nil, nil, "try_catch", "before panic ...\n\nan error occured!\n\nafter panic ...")
RunJetTestWithSet(t, set, nil, nil, "try_catch_err", "before panic ...\n\nan error occured: Jet Runtime Error ("/try_catch_err.jet":3): identifier "undefined_identifier_that_causes_panic" not available in current (map[]) or parent scope, global, or default variables\n\nafter panic ...")
RunJetTestWithSet(t, set, nil, nil, "try_include", "before broken include ...\n\nafter broken include ...")
}
func TestBuiltinCollectionFuncs(t *testing.T) {
RunJetTest(t, nil, nil, "map_builtin", `{{ m := map( "foo", "bar", "asd", 123)}}{{m}}`, "map[asd:123 foo:bar]")
RunJetTest(t, nil, nil, "slice_builtin", `{{ m := slice( "foo", "bar", "asd", 123)}}{{m}}`, "[foo bar asd 123]")
RunJetTest(t, nil, nil, "slice_builtin_subslice", `{{ m := slice( "foo", "bar", "asd", 123)}}{{m[1:3]}}`, "[bar asd]")
RunJetTest(t, nil, nil, "array_builtin", `{{ m := array( "foo", "bar", "asd", 123)}}{{m}}`, "[foo bar asd 123]")
}
// customTestRanger satisfies the Ranger interface for custom tests.
type customTestRanger struct {
providesIndex bool
data []string
i int
}
var _ Ranger = (*customTestRanger)(nil)
func (ctr *customTestRanger) ProvidesIndex() bool {
return ctr.providesIndex
}
func (ctr *customTestRanger) Range() (k reflect.Value, v reflect.Value, done bool) {
if ctr.i >= len(ctr.data) {
// Reset ctr.i for the next test.
ctr.i = 0
done = true
return
}
if ctr.providesIndex {
k = reflect.ValueOf(ctr.i)
}
v = reflect.ValueOf(ctr.data[ctr.i])
ctr.i += 1
return
}
func TestRanger(t *testing.T) {
c := make(chan string)
go func() {
for i := 0; i < 10; i++ {
c <- strconv.Itoa(i)
}
close(c)
}()
var data = make(VarMap)
data.Set(
"m", map[string]interface{}{
"asd": 123,
//"foo": "blub", // adding more values here means we can't predict the order below
//"bar": nil,
},
)
data.Set("s", []string{"asd", "foo", "bar"})
data.Set("c", c)
data.Set("ci", &customTestRanger{
providesIndex: true,
data: []string{"asd", "foo", "bar"},
})
data.Set("cu", &customTestRanger{
providesIndex: false,
data: []string{"asd", "foo", "bar"},
})
RunJetTest(t, data, nil, "slice_ranger", `{{ range s }}{{.}},{{ end }}`, "asd,foo,bar,")
RunJetTest(t, data, nil, "slice_ranger_index", `{{ range k := s }}{{k}},{{ end }}`, "0,1,2,")
RunJetTest(t, data, nil, "slice_ranger_index_context", `{{ range k := s }}{{k}}:{{.}},{{ end }}`, "0:asd,1:foo,2:bar,")
RunJetTest(t, data, nil, "slice_ranger_index_value", `{{ range i, v := s }}{{i}}:{{v}},{{ end }}`, "0:asd,1:foo,2:bar,")
RunJetTest(t, data, nil, "map_ranger", `{{ range m }}{{.}},{{ end }}`, "123,")
RunJetTest(t, data, nil, "map_ranger_key_context", `{{ range k := m }}{{k}}:{{.}},{{ end }}`, "asd:123,")
RunJetTest(t, data, nil, "map_ranger_key_value", `{{ range k, v := m }}{{k}}:{{v}},{{ end }}`, "asd:123,")
RunJetTest(t, data, nil, "chan_ranger", `{{ range v := c }}{{v}}{{ end }}`, "0123456789")
RunJetTest(t, nil, nil, "ints_ranger", `{{ range i := ints(0, 10) }}{{ (i == 0 ? "" : ", ") + i }}{{ end }}`, "0, 1, 2, 3, 4, 5, 6, 7, 8, 9")
RunJetTest(t, nil, nil, "ints_ranger_index_value", `{{ range k, v := ints(10, 20) }}{{k}}:{{v}} {{ end }}`, "0:10 1:11 2:12 3:13 4:14 5:15 6:16 7:17 8:18 9:19 ")
RunJetTest(t, data, nil, "custom_indexed_ranger", `{{ range ci }}{{.}},{{ end }}`, "asd,foo,bar,")
RunJetTest(t, data, nil, "custom_indexed_ranger_key_context", `{{ range k := ci }}{{k}}:{{.}},{{ end }}`, "0:asd,1:foo,2:bar,")
RunJetTest(t, data, nil, "custom_indexed_ranger_key_value", `{{ range k, v := ci }}{{k}}:{{v}},{{ end }}`, "0:asd,1:foo,2:bar,")
RunJetTest(t, data, nil, "custom_unindexed_ranger", `{{ range cu }}{{.}},{{ end }}`, "asd,foo,bar,")
RunJetTest(t, data, nil, "custom_unindexed_ranger_value", `{{ range v := cu }}{{v}},{{ end }}`, "asd,foo,bar,")
}
func TestWhitespaceControl(t *testing.T) {
set := NewSet(NewOSFileSystemLoader("./testData/whitespaceControl"))
RunJetTestWithSet(t, set, nil, nil, "simple", "beforeACTIONafter")
RunJetTestWithSet(t, set, nil, nil, "multiple", "beforeACTIONafter")
}
func TestCustomFuncInPipeline(t *testing.T) { // https://github.com/CloudyKit/jet/issues/205
money := Func(func(a Arguments) reflect.Value {
a.RequireNumOfArguments("money", 1, 2)
switch a.NumOfArguments() {
case 1:
return reflect.ValueOf(a.Get(0).String() + "€")
case 2:
return reflect.ValueOf(a.Get(0).String() + a.Get(1).String())
default:
panic("unreachable")
}
})
data := VarMap{
"money": reflect.ValueOf(money),
}
RunJetTest(t, data, nil, "gh-issue-205", `{{ "123" | money }} {{ "123" | money("$") }}`, "123€ 123$")
}
func BenchmarkSimpleAction(b *testing.B) {
t, _ := JetTestingSet.GetTemplate("actionNode_dummy")
b.ResetTimer()
for i := 0; i < b.N; i++ {
err := t.Execute(ww, nil, nil)
if err != nil {
b.Error(err.Error())
}
}
}
func BenchmarkSimpleActionNoAlloc(b *testing.B) {
t, _ := JetTestingSet.GetTemplate("noAllocFn")
b.ResetTimer()
for i := 0; i < b.N; i++ {
t.Execute(ww, nil, nil)
}
}
func BenchmarkRangeSimple(b *testing.B) {
t, _ := JetTestingSet.GetTemplate("rangeOverUsers")
b.ResetTimer()
for i := 0; i < b.N; i++ {
err := t.Execute(ww, nil, &users)
if err != nil {
panic(err)
}
}
}
func BenchmarkRangeSimpleSet(b *testing.B) {
t, _ := JetTestingSet.GetTemplate("rangeOverUsers_Set")
b.ResetTimer()
for i := 0; i < b.N; i++ {
err := t.Execute(ww, nil, &users)
if err != nil {
panic(err)
}
}
}
func BenchmarkSimpleActionStd(b *testing.B) {
t := stdSet.Lookup("actionNode_dummy")
b.ResetTimer()
for i := 0; i < b.N; i++ {
err := t.Execute(ww, nil)
if err != nil {
b.Error(err.Error())
}
}
}
func BenchmarkSimpleActionStdNoAlloc(b *testing.B) {
t := stdSet.Lookup("noAllocFn")
b.ResetTimer()
for i := 0; i < b.N; i++ {
err := t.Execute(ww, nil)
if err != nil {
b.Error(err.Error())
}
}
}
func BenchmarkRangeSimpleStd(b *testing.B) {
t := stdSet.Lookup("rangeOverUsers")
b.ResetTimer()
for i := 0; i < b.N; i++ {
err := t.Execute(ww, &users)
if err != nil {
b.Error(err.Error())
}
}
}
func BenchmarkRangeSimpleSetStd(b *testing.B) {
t := stdSet.Lookup("rangeOverUsers_Set")
b.ResetTimer()
for i := 0; i < b.N; i++ {
err := t.Execute(ww, &users)
if err != nil {
b.Error(err.Error())
}
}
}
func BenchmarkNewBlockYield(b *testing.B) {
t, _ := JetTestingSet.GetTemplate("BenchNewBlock")
b.SetParallelism(10000)
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
err := t.Execute(ww, nil, nil)
if err != nil {
b.Error(err.Error())
}
}
})
}
func BenchmarkDynamicFunc(b *testing.B) {
var variables = VarMap{}.Set("dummy", dummy)
t, _ := JetTestingSet.GetTemplate("actionNode_dummy")
b.ResetTimer()
for i := 0; i < b.N; i++ {
err := t.Execute(ww, variables, nil)
if err != nil {
b.Error(err.Error())
}
}
}
func BenchmarkJetFunc(b *testing.B) {
var variables = VarMap{}.SetFunc("dummy", func(a Arguments) reflect.Value {
return reflect.ValueOf(dummy(a.Get(0).String()))
})
t, _ := JetTestingSet.GetTemplate("actionNode_dummy")
b.ResetTimer()
for i := 0; i < b.N; i++ {
err := t.Execute(ww, variables, nil)
if err != nil {
b.Error(err.Error())
}
}
}
// customBenchRanger satisfies the Ranger interface for custom benchmarks.
type customBenchRanger struct {
i, n int
key reflect.Value
data reflect.Value
}
var _ Ranger = (*customBenchRanger)(nil)
func (cbr *customBenchRanger) ProvidesIndex() bool {
return false
}
func (cbr *customBenchRanger) Range() (_ reflect.Value, v reflect.Value, done bool) {
if cbr.i >= cbr.n {
done = true
return
}
v = cbr.data
cbr.i += 1
return
}
// BenchmarkCustomRanger benchmarks the overhead in doing one iteration of
// a custom ranger.
func BenchmarkCustomRanger(b *testing.B) {
data := reflect.ValueOf(struct {
Name string
}{Name: "John Doe"})
execCtx := &customBenchRanger{data: data, n: b.N}
t, _ := JetTestingSet.GetTemplate("BenchCustomRanger")
b.ResetTimer()
err := t.Execute(ww, nil, execCtx)
if err != nil {
b.Error(err.Error())
}
}
// BenchmarkIntsRanger benchmarks the performance of doing one additional
// iteration using the ints ranger.
func BenchmarkIntsRanger(b *testing.B) {
t, _ := JetTestingSet.GetTemplate("BenchIntsRanger")
b.ResetTimer()
err := t.Execute(ww, nil, b.N)
if err != nil {
b.Error(err.Error())
}
}
type customRenderer struct {
data []byte
}