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amber_test.go
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amber_test.go
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package amber
import (
"bytes"
"strings"
"testing"
)
func Test_Doctype(t *testing.T) {
res, err := run(`!!! 5`, nil)
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `<!DOCTYPE html>`, t)
}
}
func Test_Nesting(t *testing.T) {
res, err := run(`html
head
title
body`, nil)
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `<html><head><title></title></head><body></body></html>`, t)
}
}
func Test_Mixin(t *testing.T) {
res, err := run(`
mixin a($a)
p #{$a}
+a(1)`, nil)
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `<p>1</p>`, t)
}
}
func Test_Mixin_NoArguments(t *testing.T) {
res, err := run(`
mixin a()
p Testing
+a()`, nil)
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `<p>Testing</p>`, t)
}
}
func Test_Mixin_MultiArguments(t *testing.T) {
res, err := run(`
mixin a($a, $b, $c, $d)
p #{$a} #{$b} #{$c} #{$d}
+a("a", "b", "c", A)`, map[string]int{"A": 2})
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `<p>a b c 2</p>`, t)
}
}
func Test_Mixin_NameWithDashes(t *testing.T) {
res, err := run(`
mixin i-am-mixin($a, $b, $c, $d)
p #{$a} #{$b} #{$c} #{$d}
+i-am-mixin("a", "b", "c", A)`, map[string]int{"A": 2})
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `<p>a b c 2</p>`, t)
}
}
func Test_Mixin_Unknown(t *testing.T) {
_, err := run(`
mixin foo($a)
p #{$a}
+bar(1)`, nil)
expected := `unknown mixin "bar"`
if err == nil {
t.Fatalf(`Expected {%s} error.`, expected)
} else if !strings.Contains(err.Error(), expected) {
t.Fatalf("Error {%s} does not contains {%s}.", err.Error(), expected)
}
}
func Test_Mixin_NotEnoughArguments(t *testing.T) {
_, err := run(`
mixin foo($a)
p #{$a}
+foo()`, nil)
expected := `not enough arguments in call to mixin "foo" (have: 0, want: 1)`
if err == nil {
t.Fatalf(`Expected {%s} error.`, expected)
} else if !strings.Contains(err.Error(), expected) {
t.Fatalf("Error {%s} does not contains {%s}.", err.Error(), expected)
}
}
func Test_Mixin_TooManyArguments(t *testing.T) {
_, err := run(`
mixin foo($a)
p #{$a}
+foo("a", "b")`, nil)
expected := `too many arguments in call to mixin "foo" (have: 2, want: 1)`
if err == nil {
t.Fatalf(`Expected {%s} error.`, expected)
} else if !strings.Contains(err.Error(), expected) {
t.Fatalf("Error {%s} does not contains {%s}.", err.Error(), expected)
}
}
func Test_ClassName(t *testing.T) {
res, err := run(`div.test
p.test1.test2
[class=$]
.test3`, "test4")
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `<div class="test"><p class="test1 test2 test4 test3"></p></div>`, t)
}
}
func Test_Id(t *testing.T) {
res, err := run(`div#test
p#test1#test2`, nil)
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `<div id="test"><p id="test2"></p></div>`, t)
}
}
func Test_Attribute(t *testing.T) {
res, err := run(`div[name="Test"][@foo.bar="baz"].testclass
p
[style="text-align: center; color: maroon"]`, nil)
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `<div @foo.bar="baz" class="testclass" name="Test"><p style="text-align: center; color: maroon"></p></div>`, t)
}
}
func Test_MultipleClasses(t *testing.T) {
res, err := run(`div.test1.test2[class="test3"][class="test4"]`, nil)
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `<div class="test1 test2 test3 test4"></div>`, t)
}
}
func Test_EmptyAttribute(t *testing.T) {
res, err := run(`div[name]`, nil)
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `<div name></div>`, t)
}
}
func Test_RawText(t *testing.T) {
res, err := run(`html
script
var a = 5;
alert(a)
style
body {
color: white
}`, nil)
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, "<html><script>var a = 5;\nalert(a)</script><style>body {\n\tcolor: white\n}</style></html>", t)
}
}
func Test_Empty(t *testing.T) {
res, err := run(``, nil)
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, ``, t)
}
}
func Test_ArithmeticExpression(t *testing.T) {
res, err := run(`#{A + B * C}`, map[string]int{"A": 2, "B": 3, "C": 4})
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `14`, t)
}
}
func Test_BooleanExpression(t *testing.T) {
res, err := run(`#{C - A < B}`, map[string]int{"A": 2, "B": 3, "C": 4})
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `true`, t)
}
}
func Test_FuncCall(t *testing.T) {
res, err := run(`div[data-map=json($)]`, map[string]int{"A": 2, "B": 3, "C": 4})
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `<div data-map="{"A":2,"B":3,"C":4}"></div>`, t)
}
}
func Test_FuncMapFunctionCall(t *testing.T) {
FuncMap["upper"] = strings.ToUpper
res, err := run(`#{ upper("test") }`, nil)
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `TEST`, t)
}
}
type DummyStruct struct {
X string
}
func (d DummyStruct) MethodWithArg(s string) string {
return d.X + " " + s
}
func Test_StructMethodCall(t *testing.T) {
d := DummyStruct{X: "Hello"}
res, err := run(`#{ $.MethodWithArg("world") }`, d)
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `Hello world`, t)
}
}
func Test_Multiple_File_Inheritance(t *testing.T) {
tmpl, err := CompileDir("samples/", DefaultDirOptions, DefaultOptions)
if err != nil {
t.Fatal(err.Error())
}
t1a, ok := tmpl["multilevel.inheritance.a"]
if ok != true || t1a == nil {
t.Fatal("CompileDir, template not found.")
}
t1b, ok := tmpl["multilevel.inheritance.b"]
if ok != true || t1b == nil {
t.Fatal("CompileDir, template not found.")
}
t1c, ok := tmpl["multilevel.inheritance.c"]
if ok != true || t1c == nil {
t.Fatal("CompileDir, template not found.")
}
var res bytes.Buffer
t1c.Execute(&res, nil)
expect(strings.TrimSpace(res.String()), "<p>This is C</p>", t)
}
func Test_Recursion_In_Blocks(t *testing.T) {
tmpl, err := CompileDir("samples/", DefaultDirOptions, DefaultOptions)
if err != nil {
t.Fatal(err.Error())
}
top, ok := tmpl["recursion.top"]
if !ok || top == nil {
t.Fatal("template not found.")
}
var res bytes.Buffer
top.Execute(&res, nil)
expect(strings.TrimSpace(res.String()), "content", t)
}
func Test_Dollar_In_TagAttributes(t *testing.T) {
res, err := run(`input[placeholder="$ per "+kwh]`, map[string]interface{}{
"kwh": "kWh",
})
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `<input placeholder="$ per kWh" />`, t)
}
}
func Test_ConditionEvaluation(t *testing.T) {
res, err := run(`input
[value=row.Value] ? row`, map[string]interface{}{
"row": nil,
})
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `<input />`, t)
}
res, err = run(`input
[value="test"] ? !row`, nil)
if err != nil {
t.Fatal(err.Error())
} else {
expect(res, `<input value="test" />`, t)
}
}
func Failing_Test_CompileDir(t *testing.T) {
tmpl, err := CompileDir("samples/", DefaultDirOptions, DefaultOptions)
// Test Compilation
if err != nil {
t.Fatal(err.Error())
}
// Make sure files are added to map correctly
val1, ok := tmpl["basic"]
if ok != true || val1 == nil {
t.Fatal("CompileDir, template not found.")
}
val2, ok := tmpl["inherit"]
if ok != true || val2 == nil {
t.Fatal("CompileDir, template not found.")
}
val3, ok := tmpl["compiledir_test/basic"]
if ok != true || val3 == nil {
t.Fatal("CompileDir, template not found.")
}
val4, ok := tmpl["compiledir_test/compiledir_test/basic"]
if ok != true || val4 == nil {
t.Fatal("CompileDir, template not found.")
}
// Make sure file parsing is the same
var doc1, doc2 bytes.Buffer
val1.Execute(&doc1, nil)
val4.Execute(&doc2, nil)
expect(doc1.String(), doc2.String(), t)
// Check against CompileFile
compilefile, err := CompileFile("samples/basic.amber", DefaultOptions)
if err != nil {
t.Fatal(err.Error())
}
var doc3 bytes.Buffer
compilefile.Execute(&doc3, nil)
expect(doc1.String(), doc3.String(), t)
expect(doc2.String(), doc3.String(), t)
}
func Benchmark_Parse(b *testing.B) {
code := `
!!! 5
html
head
title Test Title
body
nav#mainNav[data-foo="bar"]
div#content
div.left
div.center
block center
p Main Content
.long ? somevar && someothervar
div.right`
for i := 0; i < b.N; i++ {
cmp := New()
cmp.Parse(code)
}
}
func Benchmark_Compile(b *testing.B) {
b.StopTimer()
code := `
!!! 5
html
head
title Test Title
body
nav#mainNav[data-foo="bar"]
div#content
div.left
div.center
block center
p Main Content
.long ? somevar && someothervar
div.right`
cmp := New()
cmp.Parse(code)
b.StartTimer()
for i := 0; i < b.N; i++ {
cmp.CompileString()
}
}
func expect(cur, expected string, t *testing.T) {
if cur != expected {
t.Fatalf("Expected {%s} got {%s}.", expected, cur)
}
}
func run(tpl string, data interface{}) (string, error) {
t, err := Compile(tpl, Options{false, false, nil})
if err != nil {
return "", err
}
var buf bytes.Buffer
if err = t.Execute(&buf, data); err != nil {
return "", err
}
return strings.TrimSpace(buf.String()), nil
}
func generate(tpl string) (string, error) {
c := New()
if err := c.ParseData([]byte(tpl), "test.amber"); err != nil {
return "", err
}
return c.CompileString()
}