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nodegit/test/tests/diff.js at fc8ff1f1c8a4a5cad88c0735157f3227fc508c6e · nodegit/nodegit · GitHub
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var
assert
=
require
(
"assert"
)
;
var
path
=
require
(
"path"
)
;
var
promisify
=
require
(
"promisify-node"
)
;
var
Promise
=
require
(
"nodegit-promise"
)
;
var
fse
=
promisify
(
require
(
"fs-extra"
)
)
;
var
local
=
path
.
join
.
bind
(
path
,
__dirname
)
;
describe
(
"Diff"
,
function
(
)
{
var
Repository
=
require
(
local
(
"../../lib/repository"
)
)
;
var
Diff
=
require
(
local
(
"../../lib/diff"
)
)
;
var
reposPath
=
local
(
"../repos/workdir/.git"
)
;
var
oid
=
"fce88902e66c72b5b93e75bdb5ae717038b221f6"
;
var
diffFilename
=
"wddiff.txt"
;
var
diffFilepath
=
local
(
"../repos/workdir"
,
diffFilename
)
;
var
moveFromFile
=
"README.md"
;
var
moveToFile
=
"MOVED_README.md"
;
var
moveFromPath
=
local
(
"../repos/workdir"
,
moveFromFile
)
;
var
moveToPath
=
local
(
"../repos/workdir"
,
moveToFile
)
;
beforeEach
(
function
(
)
{
var
test
=
this
;
return
Repository
.
open
(
reposPath
)
.
then
(
function
(
repository
)
{
test
.
repository
=
repository
;
return
repository
.
openIndex
(
)
;
}
)
.
then
(
function
(
index
)
{
test
.
index
=
index
;
return
test
.
repository
.
getBranchCommit
(
"master"
)
;
}
)
.
then
(
function
(
masterCommit
)
{
return
masterCommit
.
getTree
(
)
;
}
)
.
then
(
function
(
tree
)
{
test
.
masterCommitTree
=
tree
;
return
test
.
repository
.
getCommit
(
oid
)
;
}
)
.
then
(
function
(
commit
)
{
test
.
commit
=
commit
;
return
commit
.
getDiff
(
)
;
}
)
.
then
(
function
(
diff
)
{
test
.
diff
=
diff
;
return
fse
.
writeFile
(
diffFilepath
,
"1 line\n2 line\n3 line\n\n4"
)
;
}
)
.
then
(
function
(
)
{
return
fse
.
move
(
moveFromPath
,
moveToPath
)
;
}
)
.
then
(
function
(
)
{
return
Diff
.
treeToWorkdirWithIndex
(
test
.
repository
,
test
.
masterCommitTree
,
{
flags
:
Diff
.
OPTION
.
INCLUDE_UNTRACKED
}
)
;
}
)
.
then
(
function
(
workdirDiff
)
{
test
.
workdirDiff
=
workdirDiff
;
}
)
.
then
(
function
(
)
{
var
opts
=
{
flags
:
Diff
.
OPTION
.
INCLUDE_UNTRACKED
|
Diff
.
OPTION
.
RECURSE_UNTRACKED_DIRS
}
;
return
Diff
.
indexToWorkdir
(
test
.
repository
,
test
.
index
,
opts
)
;
}
)
.
then
(
function
(
diff
)
{
test
.
indexToWorkdirDiff
=
diff
;
}
)
.
then
(
function
(
)
{
return
fse
.
remove
(
diffFilepath
)
;
}
)
.
then
(
function
(
)
{
return
fse
.
move
(
moveToPath
,
moveFromPath
)
;
}
)
.
catch
(
function
(
e
)
{
return
fse
.
remove
(
diffFilepath
)
.
then
(
function
(
)
{
return
Promise
.
reject
(
e
)
;
}
)
;
}
)
;
}
)
;
it
(
"can walk a DiffList"
,
function
(
)
{
var
patch
=
this
.
diff
[
0
]
.
patches
(
)
[
0
]
;
assert
.
equal
(
patch
.
oldFile
(
)
.
path
(
)
,
"README.md"
)
;
assert
.
equal
(
patch
.
newFile
(
)
.
path
(
)
,
"README.md"
)
;
assert
.
equal
(
patch
.
size
(
)
,
1
)
;
assert
.
ok
(
patch
.
isModified
(
)
)
;
var
hunk
=
patch
.
hunks
(
)
[
0
]
;
assert
.
equal
(
hunk
.
size
(
)
,
5
)
;
var
lines
=
hunk
.
lines
(
)
;
assert
.
equal
(
lines
[
0
]
.
origin
(
)
,
Diff
.
LINE
.
CONTEXT
)
;
assert
.
equal
(
lines
[
1
]
.
origin
(
)
,
Diff
.
LINE
.
CONTEXT
)
;
assert
.
equal
(
lines
[
2
]
.
origin
(
)
,
Diff
.
LINE
.
CONTEXT
)
;
var
oldContent
=
"__Before submitting a pull request, please ensure "
+
"both unit tests and lint checks pass.__\n"
;
assert
.
equal
(
lines
[
3
]
.
content
(
)
,
oldContent
)
;
assert
.
equal
(
lines
[
3
]
.
origin
(
)
,
Diff
.
LINE
.
DELETION
)
;
assert
.
equal
(
lines
[
3
]
.
contentLen
(
)
,
90
)
;
var
newContent
=
"__Before submitting a pull request, please ensure "
+
"both that you've added unit tests to cover your shiny new code, "
+
"and that all unit tests and lint checks pass.__\n"
;
assert
.
equal
(
lines
[
4
]
.
content
(
)
,
newContent
)
;
assert
.
equal
(
lines
[
4
]
.
origin
(
)
,
Diff
.
LINE
.
ADDITION
)
;
assert
.
equal
(
lines
[
4
]
.
contentLen
(
)
,
162
)
;
}
)
;
it
(
"can diff the workdir with index"
,
function
(
)
{
var
patches
=
this
.
workdirDiff
.
patches
(
)
;
assert
.
equal
(
patches
.
length
,
3
)
;
assert
(
patches
[
2
]
.
isUntracked
(
)
)
;
var
oldFile
=
patches
[
2
]
.
delta
.
oldFile
(
)
;
assert
.
equal
(
oldFile
.
path
(
)
,
"wddiff.txt"
)
;
assert
.
equal
(
oldFile
.
size
(
)
,
0
)
;
var
newFile
=
patches
[
2
]
.
delta
.
newFile
(
)
;
assert
.
equal
(
newFile
.
path
(
)
,
"wddiff.txt"
)
;
assert
.
equal
(
newFile
.
size
(
)
,
23
)
;
}
)
;
it
(
"can diff with a null tree"
,
function
(
)
{
var
repo
=
this
.
repository
;
var
tree
=
this
.
masterCommitTree
;
return
Diff
.
treeToTree
(
repo
,
null
,
tree
,
null
)
.
then
(
function
(
diff
)
{
assert
.
equal
(
diff
.
patches
(
)
.
length
,
85
)
;
}
)
;
}
)
;
it
(
"can diff the initial commit of a repository"
,
function
(
)
{
var
repo
=
this
.
repository
;
var
oid
=
"99c88fd2ac9c5e385bd1fe119d89c83dce326219"
;
// First commit
return
repo
.
getCommit
(
oid
)
.
then
(
function
(
commit
)
{
return
commit
.
getDiff
(
)
;
}
)
.
then
(
function
(
diffs
)
{
assert
.
equal
(
diffs
[
0
]
.
patches
(
)
.
length
,
8
)
;
}
)
;
}
)
;
it
(
"can diff tree to index"
,
function
(
)
{
var
repo
=
this
.
repository
;
var
tree
=
this
.
masterCommitTree
;
var
index
=
this
.
index
;
var
opts
=
{
flags
:
Diff
.
OPTION
.
INCLUDE_UNTRACKED
}
;
return
Diff
.
treeToIndex
(
repo
,
tree
,
index
,
opts
)
.
then
(
function
(
diff
)
{
assert
.
equal
(
diff
.
patches
(
)
.
length
,
0
)
;
}
)
;
}
)
;
it
(
"can diff index to workdir"
,
function
(
)
{
assert
.
equal
(
this
.
indexToWorkdirDiff
.
patches
(
)
.
length
,
3
)
;
}
)
;
it
(
"can find similar files in a diff"
,
function
(
)
{
var
diff
=
this
.
indexToWorkdirDiff
;
var
opts
=
{
flags
:
Diff
.
FIND
.
RENAMES
|
Diff
.
FIND
.
RENAMES_FROM_REWRITES
|
Diff
.
FIND
.
FOR_UNTRACKED
}
;
assert
.
equal
(
diff
.
patches
(
)
.
length
,
3
)
;
diff
.
findSimilar
(
opts
)
.
then
(
function
(
)
{
// Renamed file now treated as one diff, so 3 patches -> 2
assert
.
equal
(
diff
.
patches
(
)
.
length
,
2
)
;
}
)
;
}
)
;
}
)
;
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