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template_test.go
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template_test.go
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package liquid
import (
"reflect"
"testing"
)
func checkTemplate(t *testing.T, tpl string, want []Node) {
template, err := ParseTemplate(tpl)
if err != nil {
t.Error(err)
}
if !reflect.DeepEqual(template.Nodes, want) {
t.Errorf("Template parsed wrong, want: %v, got: %v", want, template.Nodes)
}
}
func TestBlankSpace(t *testing.T) {
checkTemplate(t, " ", []Node{
stringNode(" "),
})
}
func TestVariableBeginning(t *testing.T) {
checkTemplate(t, "{{funk}} ", []Node{
testVariableNode("funk"),
stringNode(" "),
})
}
func TestVariableEnd(t *testing.T) {
checkTemplate(t, " {{funk}}", []Node{
stringNode(" "),
testVariableNode("funk"),
})
}
func TestVariableMiddle(t *testing.T) {
checkTemplate(t, " {{funk}} ", []Node{
stringNode(" "),
testVariableNode("funk"),
stringNode(" "),
})
}
func TestVariableManyEmbeddedFragments(t *testing.T) {
checkTemplate(t, " {{funk}} {{so}} {{brother}} ", []Node{
stringNode(" "),
testVariableNode("funk"),
stringNode(" "),
testVariableNode("so"),
stringNode(" "),
testVariableNode("brother"),
stringNode(" "),
})
}
func TestWithBlock(t *testing.T) {
checkTemplate(t, ` {% comment %} {% endcomment %} `, []Node{
stringNode(" "),
BlockNode{
Tag: "comment",
markup: "{% comment %}",
Nodes: []Node{stringNode(" ")},
},
stringNode(" "),
})
}
func TestWithCustomTag(t *testing.T) {
RegisterTag("testtag", &commentTag{})
checkTemplate(t, `{% testtag %} {% endtesttag %}`, []Node{
BlockNode{
Tag: "testtag",
markup: "{% testtag %}",
Nodes: []Node{stringNode(" ")},
},
})
}
func TestVariableLookup(t *testing.T) {
checkTemplate(t, `{{a.b.first}}<br>{{c.d[0]}}<br>{{e.f | first}}`, []Node{
testVariableNode("a.b.first"),
stringNode("<br>"),
testVariableNode("c.d[0]"),
stringNode("<br>"),
testVariableNode("e.f | first"),
})
}
func TestParseIfBlock(t *testing.T) {
checkTemplate(t, `{% if x > 100 %}Huge{% elsif x > 10 %}Big{% else %}Normal{% endif %}`, []Node{
BlockNode{
Tag: "if",
markup: "{% if x > 100 %}",
Nodes: []Node{
stringNode("Huge"),
elseNode{tag: "elsif", markup: "{% elsif x > 10 %}"},
stringNode("Big"),
elseNode{tag: "else", markup: "{% else %}"},
stringNode("Normal"),
},
},
})
}
func testVariableNode(v string) Node {
variable, err := CreateVariable(v)
if err != nil {
return nil
}
return variable
}