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|
package main
import (
"io/ioutil"
"testing"
)
func SetCompileDirForTest(prefix string) {
dir, err := ioutil.TempDir("", prefix)
if err != nil {
panic(err)
}
CompileDir = dir
}
func TestLoadOutputCodeCache(t *testing.T) {
SetCompileDirForTest("TestLoadOutputCodeCache")
filename := "Hello.ts"
sourceCodeBuf := []byte("1+2")
cacheFn := CacheFileName(filename, sourceCodeBuf)
outputCode, err := LoadOutputCodeCache(filename, sourceCodeBuf)
if err != nil {
t.Fatalf(err.Error())
}
if outputCode != "" {
t.Fatalf("Expected empty outputCode but got <<%s>>", outputCode)
}
// Now let's write to the cache file
err = ioutil.WriteFile(cacheFn, []byte("blah"), 0700)
if err != nil {
t.Fatalf(err.Error())
}
// Try it again.
outputCode, err = LoadOutputCodeCache(filename, sourceCodeBuf)
if err != nil {
t.Fatalf(err.Error())
}
if outputCode != "blah" {
t.Fatalf("Bad outputCode but got <<%s>>", outputCode)
}
}
|
