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contour_test.go
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contour_test.go
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package contour_test
import (
"bytes"
"io/ioutil"
"net/http"
"regexp"
"strings"
"testing"
"github.com/bobek-balinek/contour"
)
func trim(str string) string {
trimmed := strings.TrimSpace(regexp.MustCompile(`\s+`).ReplaceAllString(str, " "))
trimmed = strings.Replace(trimmed, " <", "<", -1)
trimmed = strings.Replace(trimmed, "> ", ">", -1)
return trimmed
}
func makeEngine() (*contour.Engine, error) {
engine := contour.New("./views", ".html")
engine.AddFunc("isSignedIn", func(user string) bool {
return user == "bob"
})
if err := engine.Load(); err != nil {
return nil, err
}
return engine, nil
}
func makeFSEngine() (*contour.Engine, error) {
engine := contour.NewFS(http.Dir("./views"), ".html")
engine.AddFunc("isSignedIn", func(user string) bool {
return user == "bob"
})
if err := engine.Load(); err != nil {
return nil, err
}
return engine, nil
}
func TestRenderWithPartisl(t *testing.T) {
engine, err := makeEngine()
if err != nil {
t.Fatalf("load: %v\n", err)
}
var buf bytes.Buffer
engine.Render(&buf, "index", map[string]interface{}{
"Title": "Hello, Bob!",
})
expect := `<h2>Header</h2><h1>Hello, Bob!</h1><h4>Footer</h4>`
result := trim(buf.String())
if expect != result {
t.Fatalf("Expected:\n%s\nResult:\n%s\n", expect, result)
}
}
func TestRenderWithFunc(t *testing.T) {
engine, err := makeEngine()
if err != nil {
t.Fatalf("load: %v\n", err)
}
var buf bytes.Buffer
engine.Render(&buf, "signed-in", map[string]interface{}{
"Title": "Dashboard",
"User": "bob",
})
expect := `Hello Bob!`
result := trim(buf.String())
if expect != result {
t.Fatalf("Expected:\n%s\nResult:\n%s\n", expect, result)
}
}
func TestRender(t *testing.T) {
engine, err := makeEngine()
if err != nil {
t.Fatalf("load: %v\n", err)
}
var buf bytes.Buffer
engine.Render(&buf, "errors/404", map[string]interface{}{
"Error": "404 Not Found",
})
expect := `<h1>404 Not Found</h1>`
result := trim(buf.String())
if expect != result {
t.Fatalf("Expected:\n%s\nResult:\n%s\n", expect, result)
}
}
func TestRenderWithLayout(t *testing.T) {
engine, err := makeEngine()
if err != nil {
t.Fatalf("load: %v\n", err)
}
var buf bytes.Buffer
engine.Render(&buf, "index", map[string]interface{}{
"Title": "Application",
}, "layouts/app")
expect := `<!DOCTYPE html><html lang="en"><head><title>Application</title></head><body><h2>Header</h2><h1>Application</h1><h4>Footer</h4></body></html>`
result := trim(buf.String())
if expect != result {
t.Fatalf("Expected:\n%s\nResult:\n%s\n", expect, result)
}
}
func TestRenderWithFileSystem(t *testing.T) {
engine, err := makeFSEngine()
if err != nil {
t.Fatalf("load: %v\n", err)
}
var buf bytes.Buffer
engine.Render(&buf, "index", map[string]interface{}{
"Title": "Application",
}, "layouts/app")
expect := `<!DOCTYPE html><html lang="en"><head><title>Application</title></head><body><h2>Header</h2><h1>Application</h1><h4>Footer</h4></body></html>`
result := trim(buf.String())
if expect != result {
t.Fatalf("Expected:\n%s\nResult:\n%s\n", expect, result)
}
}
func TestReload(t *testing.T) {
engine, err := makeFSEngine()
if err != nil {
t.Fatalf("load: %v\n", err)
}
engine.Reload(true) // Optional. Default: false
engine.AddFunc("isAdmin", func(user string) bool {
return user == "admin"
})
if err := engine.Load(); err != nil {
t.Fatalf("load: %v\n", err)
}
if err := ioutil.WriteFile("./views/reload.html", []byte("after reload\n"), 0644); err != nil {
t.Fatalf("write file: %v\n", err)
}
defer func() {
if err := ioutil.WriteFile("./views/reload.html", []byte("before reload\n"), 0644); err != nil {
t.Fatalf("write file: %v\n", err)
}
}()
engine.Load()
var buf bytes.Buffer
engine.Render(&buf, "reload", nil)
expect := "after reload"
result := trim(buf.String())
if expect != result {
t.Fatalf("Expected:\n%s\nResult:\n%s\n", expect, result)
}
}