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util: Add some path helper functions

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In the end, I'm not sure how useful these will be, but we'll keep them
in for now.
This commit is contained in:
James Shubin
2019-07-26 03:28:29 -04:00
parent 1161872324
commit 4bf9b4d41b
2 changed files with 281 additions and 0 deletions
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227
util/util_test.go
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@@ -1055,6 +1055,233 @@ func TestRemovePathSuffix0(t *testing.T) {
}
}
func TestDirParents0(t *testing.T) {
tests := []struct {
in string
out []string
}{
{
in: "",
out: nil,
},
{
in: "/",
out: []string{},
},
{
in: "/tmp/x1/mod1/files/",
out: []string{
"/",
"/tmp/",
"/tmp/x1/",
"/tmp/x1/mod1/",
},
},
{
in: "/tmp/x1/mod1/files/foo",
out: []string{
"/",
"/tmp/",
"/tmp/x1/",
"/tmp/x1/mod1/",
"/tmp/x1/mod1/files/",
},
},
}
for index, tt := range tests {
result := DirParents(tt.in)
if a, b := len(result), len(tt.out); a != b {
t.Errorf("test #%d: expected length differs (%d != %d)", index, a, b)
t.Errorf("test #%d: actual: %+v", index, result)
t.Errorf("test #%d: expected: %+v", index, tt.out)
break
}
for i := range result {
if result[i] != tt.out[i] {
t.Errorf("test #%d: parents diff: wanted: %s got: %s", index, tt.out[i], result[i])
}
}
}
}
func TestMissingMkdirs0(t *testing.T) {
tests := []struct {
in []string
out []string
fail bool
}{
{
in: []string{},
out: []string{},
},
{
in: []string{
"/",
},
out: []string{},
},
{
in: []string{
"/tmp/x1/metadata.yaml",
"/tmp/x1/main.mcl",
"/tmp/x1/files/",
"/tmp/x1/second.mcl",
"/tmp/x1/mod1/metadata.yaml",
"/tmp/x1/mod1/main.mcl",
"/tmp/x1/mod1/files/",
},
out: []string{
"/",
"/tmp/",
"/tmp/x1/",
"/tmp/x1/mod1/",
},
},
{
in: []string{
"/tmp/x1/files/",
"/tmp/x1/main.mcl",
"/tmp/x1/metadata.yaml",
"/tmp/x1/mod1/files/",
"/tmp/x1/mod1/main.mcl",
"/tmp/x1/mod1/metadata.yaml",
"/tmp/x1/second.mcl",
},
out: []string{
"/",
"/tmp/",
"/tmp/x1/",
"/tmp/x1/mod1/",
},
},
{
in: []string{
"/tmp/x1/files/",
"/tmp/x1/files/a/b/c/",
},
out: []string{
"/",
"/tmp/",
"/tmp/x1/",
//"/tmp/x1/files/", // already exists!
"/tmp/x1/files/a/",
"/tmp/x1/files/a/b/",
},
},
{
in: []string{
"/tmp/x1/files/",
"/tmp/x1/files/a/b/c/",
"/tmp/x1/files/a/b/c/",
"/tmp/x1/files/a/b/c/",
"/tmp/x1/files/a/b/c/", // duplicates
},
out: []string{
"/",
"/tmp/",
"/tmp/x1/",
//"/tmp/x1/files/", // already exists!
"/tmp/x1/files/a/",
"/tmp/x1/files/a/b/",
},
},
{
in: []string{
"/tmp/x1/files/",
"/tmp/x1/files/a/b/c/d1",
"/tmp/x1/files/a/b/c/d2",
},
out: []string{
"/",
"/tmp/",
"/tmp/x1/",
//"/tmp/x1/files/", // already exists!
"/tmp/x1/files/a/",
"/tmp/x1/files/a/b/",
"/tmp/x1/files/a/b/c/",
},
},
{
in: []string{
"/tmp/x1/files/",
"/tmp/x1/files/a/b/c/d1",
"/tmp/x1/files/a/b/c/d1",
"/tmp/x1/files/a/b/c/d1",
"/tmp/x1/files/a/b/c/d1", // duplicates!
"/tmp/x1/files/a/b/c/d2",
},
out: []string{
"/",
"/tmp/",
"/tmp/x1/",
//"/tmp/x1/files/", // already exists!
"/tmp/x1/files/a/",
"/tmp/x1/files/a/b/",
"/tmp/x1/files/a/b/c/",
},
},
{
in: []string{
"/tmp/x1/files/",
"/tmp/x1/files/a/b/c/d1",
"/tmp/x1/files/a/b/c/d1",
"/tmp/x1/files/a/b/c/d1",
"/tmp/x1/files/a/b/c/d1", // duplicates!
"/tmp/x1/files/a/b/",
"/tmp/x1/files/a/b/c/d2",
},
out: []string{
"/",
"/tmp/",
"/tmp/x1/",
//"/tmp/x1/files/", // already exists!
"/tmp/x1/files/a/",
"/tmp/x1/files/a/b/c/",
},
},
// invalid path list, so undefined results
//{
// in: []string{
// "/tmp/x1/files/",
// "/tmp/x1/files/a/b/c/d",
// "/tmp/x1/files/a/b/c/d/", // error: same name as file
// "/tmp/x1/files/a/b/c/d1",
// },
// out: []string{},
// fail: true, // TODO: put a specific error?
//},
// TODO: add more tests
}
for index, tt := range tests {
result, err := MissingMkdirs(tt.in)
if !tt.fail && err != nil {
t.Errorf("test #%d: failed with: %+v", index, err)
break
}
if tt.fail && err == nil {
t.Errorf("test #%d: passed, expected fail", index)
break
}
if !tt.fail && result == nil {
t.Errorf("test #%d: output was nil", index)
break
}
if a, b := len(result), len(tt.out); a != b {
t.Errorf("test #%d: expected length differs (%d != %d)", index, a, b)
t.Errorf("test #%d: actual: %+v", index, result)
t.Errorf("test #%d: expected: %+v", index, tt.out)
break
}
for i := range result {
if result[i] != tt.out[i] {
t.Errorf("test #%d: missing mkdirs diff: wanted: %s got: %s", index, tt.out[i], result[i])
}
}
}
}
func TestPriorityStrSliceSort0(t *testing.T) {
in := []string{"foo", "bar", "baz"}
ex := []string{"bar", "baz", "foo"}