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package planr
import (
"log"
"os"
"io"
"path"
"path/filepath"
"strings"
)
/* CONFIG DIRECTORY */
// Consumes path
// Returns true if traversal should halt
type traversalFunc func(path string) bool;
// Traverse up until the root is reached
// Calls traverseFunc each iteration
// Returns true if prematurely stopped
func traverseUp(reference string, shouldStop traversalFunc) bool {
cursor := reference
for !shouldStop(cursor) {
if filepath.ToSlash(cursor) == "/" {
return false
}
cursor = filepath.Join(cursor, "..")
}
return true
}
func directoryExists(path string) bool {
info, err := os.Stat(path)
if err != nil {
if !os.IsNotExist(err) {
log.Fatal(err)
}
return false;
}
return info.IsDir()
}
func basename(path string) string {
ext := filepath.Ext(path)
return path[0:len(path) - len(ext)]
}
func Cname(root string, path string) string {
rel, err := filepath.Rel(root, path)
if err != nil {
log.Fatal(err)
}
rel = filepath.ToSlash(rel)
parts := strings.Split(rel, "/")
n := len(parts)
if n == 0 {
return ""
}
parts[n-1] = basename(parts[n-1])
return strings.Join(parts, ".")
}
func collectUnits(root string, cfgs []AdapterConfig) []TestCase {
tcs := make([]TestCase, 0)
collectFromDir(root, nil, cfgs, &tcs)
for i := range tcs {
tcs[i].Cname = Cname(root, tcs[i].Path)
}
return tcs
}
const DEFAULTS = "defaults.toml"
// Collects the units from the configuration tree
// TODO: Cleanup
func collectFromDir(
dir string,
defaults *Defaults,
cfgs []AdapterConfig,
units *[]TestCase,
) {
fp, err := os.Open(dir)
if err != nil {
log.Fatal(err)
}
// Process defaults for this directory if a defaults.toml is found
defaultsPath := path.Join(dir, DEFAULTS)
if info, err := os.Stat(defaultsPath); err == nil && !info.IsDir() {
d, err := DecodeDefaults(defaultsPath, cfgs)
if err != nil {
log.Fatalf("Error encounter in %s: %v\n", defaultsPath, err);
}
// inherit the properties not defined in this defaults
if defaults != nil {
d.Inherit(*defaults)
}
defaults = &d
}
// Read the entries in this directory
for {
dirs, err := fp.ReadDir(100)
if err == io.EOF {
break
} else if err != nil {
log.Fatal(err)
}
for _, ent := range dirs {
child := path.Join(dir, ent.Name())
nm := ent.Name()
if ent.IsDir() {
collectFromDir(child, defaults, cfgs, units)
} else {
if nm == DEFAULTS {
continue
}
// Decode a unit
config, err := DecodeConfig(child, cfgs)
if err != nil {
log.Fatalf("Error encountered in %s: %v", child, config)
}
if defaults != nil {
config.Inherit(*defaults)
}
tc := TestCase {
Path: child,
Config: config,
}
*units = append(*units, tc)
}
}
}
}
func safeCd(newWd string) {
if err := os.Chdir(newWd); err != nil {
log.Fatalf("Could not change into directory %v\n", err)
}
}
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