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Add `FullBaseFsPath` utility method 

This method resolves the "Full" path of the `BasePathFs`. It also resolves for nested BasePaths.
Unit tests were also added
This commit is contained in:
Francois Hill (fhill-wks) 2016-04-20 14:12:23 +02:00
parent 0718c080db
commit 3c4cfa198e
3 changed files with 53 additions and 6 deletions
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11
basepath_test.go
View File

@ -109,14 +109,13 @@ func TestNestedBasePaths(t *testing.T) {
level3Fs := NewBasePathFs(level2Fs, ds.Dir3) level3Fs := NewBasePathFs(level2Fs, ds.Dir3)
type spec struct { type spec struct {
BaseFs Fs BaseFs Fs
FileName string FileName string
ExpectedPath string
} }
specs := []spec{ specs := []spec{
spec{BaseFs: level3Fs, FileName: "f.txt", ExpectedPath: filepath.Join(ds.Dir1, ds.Dir2, ds.Dir3, "f.txt")}, spec{BaseFs: level3Fs, FileName: "f.txt"},
spec{BaseFs: level2Fs, FileName: "f.txt", ExpectedPath: filepath.Join(ds.Dir1, ds.Dir2, "f.txt")}, spec{BaseFs: level2Fs, FileName: "f.txt"},
spec{BaseFs: level1Fs, FileName: "f.txt", ExpectedPath: filepath.Join(ds.Dir1, "f.txt")}, spec{BaseFs: level1Fs, FileName: "f.txt"},
} }
for _, s := range specs { for _, s := range specs {

9
util.go
View File

@ -320,3 +320,12 @@ func Exists(fs Fs, path string) (bool, error) {
} }
return false, err return false, err
} }
func FullBaseFsPath(basePathFs *BasePathFs, relativePath string) string {
combinedPath := filepath.Join(basePathFs.path, relativePath)
if parent, ok := basePathFs.source.(*BasePathFs); ok {
return FullBaseFsPath(parent, combinedPath)
}
return combinedPath
}

39
util_test.go
View File

@ -409,3 +409,42 @@ func deleteTempDir(d string) {
// now what? // now what?
} }
} }
func TestFullBaseFsPath(t *testing.T) {
type dirSpec struct {
Dir1, Dir2, Dir3 string
}
dirSpecs := []dirSpec{
dirSpec{Dir1: "/", Dir2: "/", Dir3: "/"},
dirSpec{Dir1: "/", Dir2: "/path2", Dir3: "/"},
dirSpec{Dir1: "/path1/dir", Dir2: "/path2/dir/", Dir3: "/path3/dir"},
dirSpec{Dir1: "C:/path1", Dir2: "path2/dir", Dir3: "/path3/dir/"},
}
for _, ds := range dirSpecs {
memFs := NewMemMapFs()
level1Fs := NewBasePathFs(memFs, ds.Dir1)
level2Fs := NewBasePathFs(level1Fs, ds.Dir2)
level3Fs := NewBasePathFs(level2Fs, ds.Dir3)
type spec struct {
BaseFs Fs
FileName string
ExpectedPath string
}
specs := []spec{
spec{BaseFs: level3Fs, FileName: "f.txt", ExpectedPath: filepath.Join(ds.Dir1, ds.Dir2, ds.Dir3, "f.txt")},
spec{BaseFs: level3Fs, FileName: "", ExpectedPath: filepath.Join(ds.Dir1, ds.Dir2, ds.Dir3, "")},
spec{BaseFs: level2Fs, FileName: "f.txt", ExpectedPath: filepath.Join(ds.Dir1, ds.Dir2, "f.txt")},
spec{BaseFs: level2Fs, FileName: "", ExpectedPath: filepath.Join(ds.Dir1, ds.Dir2, "")},
spec{BaseFs: level1Fs, FileName: "f.txt", ExpectedPath: filepath.Join(ds.Dir1, "f.txt")},
spec{BaseFs: level1Fs, FileName: "", ExpectedPath: filepath.Join(ds.Dir1, "")},
}
for _, s := range specs {
if actualPath := FullBaseFsPath(s.BaseFs.(*BasePathFs), s.FileName); actualPath != s.ExpectedPath {
t.Errorf("Expected \n%s got \n%s", s.ExpectedPath, actualPath)
}
}
}
}