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coopgo/node_modules/what-the-diff/test/diff.test.js
sgauthier 6e64e138e2
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var diff = require('../')
var dedent = require('dedent-js')
var fs = require('fs')
var assert = require("nodeunit").assert
exports.testSimplePatch = function(test) {
var str = dedent`
diff --git file.txt file.txt
index 83db48f..bf269f4 100644
--- file.txt
+++ file.txt
@@ -1,3 +1,3 @@ class Thing {
line1
-line2
+new line
line3
`
const output = diff.parse(str)
assert.deepEqual(output, [
{
oldPath: 'file.txt',
newPath: 'file.txt',
oldMode: '100644',
newMode: '100644',
status: 'modified',
hunks: [
{
oldStartLine: 1,
oldLineCount: 3,
newStartLine: 1,
newLineCount: 3,
heading: 'class Thing {',
lines: [
' line1',
'-line2',
'+new line',
' line3'
]
}
],
binary: false
}
])
test.done()
}
exports.testNewPatch = function(test) {
var str = dedent`
diff --git file.txt file.txt
new file mode 100644
index 0000000..dab621c
--- /dev/null
+++ file.txt
@@ -0,0 +1 @@
+foo
`
const output = diff.parse(str)
assert.deepEqual(output, [
{
oldPath: null,
newPath: 'file.txt',
oldMode: null,
newMode: '100644',
status: 'added',
hunks: [
{
oldStartLine: 0,
oldLineCount: 0,
newStartLine: 1,
newLineCount: 1,
heading: '',
lines: ['+foo']
}
],
binary: false
}
])
test.done()
}
exports.testRemovedPatch = function(test) {
var str = dedent`
diff --git file.txt file.txt
deleted file mode 100644
index dab621c..0000000
--- file.txt
+++ /dev/null
@@ -1 +0,0 @@
-foo
`
const output = diff.parse(str)
assert.deepEqual(output, [
{
oldPath: 'file.txt',
newPath: null,
oldMode: '100644',
newMode: null,
status: 'deleted',
hunks: [
{
oldStartLine: 1,
oldLineCount: 1,
newStartLine: 0,
newLineCount: 0,
heading: '',
lines: ['-foo']
}
],
binary: false
}
])
test.done()
}
exports.testFileModeChange = function(test) {
var str = dedent`
diff --git file.txt file.txt
old mode 100644
new mode 100755
index 83db48f..bf269f4
--- file.txt
+++ file.txt
@@ -1,3 +1,3 @@
line1
-line2
+new line
line3
`
const output = diff.parse(str)
assert.deepEqual(output, [
{
oldPath: 'file.txt',
newPath: 'file.txt',
oldMode: '100644',
newMode: '100755',
status: 'modified',
hunks: [
{
oldStartLine: 1,
oldLineCount: 3,
newStartLine: 1,
newLineCount: 3,
heading: '',
lines: [
' line1',
'-line2',
'+new line',
' line3'
]
}
],
binary: false
}
])
test.done()
}
exports.testNewEmptyFile = function(test) {
var str = dedent`
diff --git newfile.txt newfile.txt
new file mode 100644
index 0000000..e69de29
`
const output = diff.parse(str)
assert.deepEqual(output, [
{
oldPath: null,
newPath: 'newfile.txt',
oldMode: null,
newMode: '100644',
hunks: [],
status: 'added',
binary: false
}
])
test.done()
}
exports.testSingleLineHunk = function(test) {
var str = dedent`
diff --git file.txt file.txt
index 83db48f..bf269f4 100644
--- file.txt
+++ file.txt
@@ -1 +1 @@
-line1
+line2
`
const output = diff.parse(str)
assert.deepEqual(output, [
{
oldPath: 'file.txt',
newPath: 'file.txt',
oldMode: '100644',
newMode: '100644',
status: 'modified',
hunks: [
{
oldStartLine: 1,
oldLineCount: 1,
newStartLine: 1,
newLineCount: 1,
heading: '',
lines: [
'-line1',
'+line2'
]
}
],
binary: false
}
])
test.done()
}
exports.testMultipleHunks = function(test) {
var str = dedent`
diff --git file.txt file.txt
index 83db48f..bf269f4 100644
--- file.txt
+++ file.txt
@@ -1,5 +1,4 @@
line1
-line2
line3
line4
line5
@@ -15,4 +14,5 @@
line6
line7
line8
+line2
line9
`
const output = diff.parse(str)
assert.deepEqual(output, [
{
oldPath: 'file.txt',
newPath: 'file.txt',
oldMode: '100644',
newMode: '100644',
status: 'modified',
hunks: [
{
oldStartLine: 1,
oldLineCount: 5,
newStartLine: 1,
newLineCount: 4,
heading: '',
lines: [
' line1',
'-line2',
' line3',
' line4',
' line5'
]
},
{
oldStartLine: 15,
oldLineCount: 4,
newStartLine: 14,
newLineCount: 5,
heading: '',
lines: [
' line6',
' line7',
' line8',
'+line2',
' line9'
]
}
],
binary: false
}
])
test.done()
}
exports.testRemovedEOFNL = function(test) {
var str = dedent`
diff --git file.txt file.txt
index a999a0c..266014b 100644
--- file.txt
+++ file.txt
@@ -1 +1 @@
-line
+line
\ No newline at end of file
`
const output = diff.parse(str)
assert.deepEqual(output, [
{
oldPath: 'file.txt',
newPath: 'file.txt',
oldMode: '100644',
newMode: '100644',
status: 'modified',
hunks: [
{
oldStartLine: 1,
oldLineCount: 1,
newStartLine: 1,
newLineCount: 1,
heading: '',
lines: [
'-line',
'+line',
'\ No newline at end of file'
]
}
],
binary: false
}
])
test.done()
}
exports.testAddedEOFNL = function(test) {
var str = dedent`
diff --git file.txt file.txt
index 266014b..a999a0c 100644
--- file.txt
+++ file.txt
@@ -1 +1 @@
-line
\ No newline at end of file
+line
`
const output = diff.parse(str)
assert.deepEqual(output, [
{
oldPath: 'file.txt',
newPath: 'file.txt',
oldMode: '100644',
newMode: '100644',
status: 'modified',
hunks: [
{
oldStartLine: 1,
oldLineCount: 1,
newStartLine: 1,
newLineCount: 1,
heading: '',
lines: [
'-line',
'\ No newline at end of file',
'+line'
]
}
],
binary: false
}
])
test.done()
}
exports.testEmptyHunkLine = function(test) {
var str = dedent`
diff --git file.txt file.txt
index 83db48f..bf269f4 100644
--- file.txt
+++ file.txt
@@ -1,3 +1,3 @@
line1
-line2
+
line3
`
const output = diff.parse(str)
assert.deepEqual(output, [
{
oldPath: 'file.txt',
newPath: 'file.txt',
oldMode: '100644',
newMode: '100644',
status: 'modified',
hunks: [
{
oldStartLine: 1,
oldLineCount: 3,
newStartLine: 1,
newLineCount: 3,
heading: '',
lines: [
' line1',
'-line2',
'+',
' line3'
]
}
],
binary: false
}
])
test.done()
}
exports.testMergeConflicts = function(test) {
var str = dedent`
diff --cc modified-on-both.txt
index 5b7855c,1353022..0000000
--- modified-on-both.txt
+++ modified-on-both.txt
@@@ -1,1 -1,1 +1,7 @@@ some context
++<<<<<<< HEAD
+master modification
++||||||| merged common ancestors
++text
++=======
+ branch modification
++>>>>>>> branch
* Unmerged path removed-on-branch.txt
* Unmerged path removed-on-master.txt
diff --cc image.gif
index e6551c7,5f88da9..0000000
Binary files differ
`
const output = diff.parse(str)
assert.deepEqual(output, [
{
filePath: 'modified-on-both.txt',
status: 'unmerged',
hunks: [
{
ourStartLine: 1,
ourLineCount: 1,
baseStartLine: 1,
baseLineCount: 1,
theirStartLine: 1,
theirLineCount: 7,
heading: 'some context',
lines: [
'++<<<<<<< HEAD',
' +master modification',
'++||||||| merged common ancestors',
'++text',
'++=======',
'+ branch modification',
'++>>>>>>> branch'
]
}
],
binary: false
},
{
filePath: 'removed-on-branch.txt',
status: 'unmerged',
binary: false
},
{
filePath: 'removed-on-master.txt',
status: 'unmerged',
binary: false
},
{
filePath: 'image.gif',
status: 'unmerged',
binary: true
}
])
test.done()
}
exports.testBinaryFiles = function(test) {
var str = dedent`
diff --git one.gif one.gif
new file mode 100644
index 0000000..9243b23
Binary files /dev/null and one.gif differ
diff --git two.gif two.gif
index 9243b23..e26b70a 100644
Binary files two.gif and two.gif differ
diff --git three.gif three.gif
deleted file mode 100644
index e26b70a..0000000
Binary files three.gif and /dev/null differ
diff --git a/cat.png b/cat.png
new file mode 100644
index 0000000..8b8dc61
--- /dev/null
+++ b/cat.png
Binary files differ
`
const output = diff.parse(str)
assert.deepEqual(output, [
{
oldPath: null,
newPath: 'one.gif',
oldMode: null,
newMode: '100644',
status: 'added',
hunks: [],
binary: true
},
{
oldPath: 'two.gif',
newPath: 'two.gif',
oldMode: '100644',
newMode: '100644',
status: 'modified',
hunks: [],
binary: true
},
{
oldPath: 'three.gif',
newPath: null,
oldMode: '100644',
newMode: null,
status: 'deleted',
hunks: [],
binary: true
},
{
oldPath: null,
newPath: 'b/cat.png',
hunks: [],
oldMode: null,
newMode: '100644',
status: 'added',
binary: true
}
])
test.done()
}
exports.testBinaryFilesRename = function(test) {
var str = dedent`
diff --git a/dir_a/one.png b/dir_b/one.png
similarity index 100%
rename from dir_a/one.png
rename to dir_b/one.png
Binary files differ
`
const output = diff.parse(str)
assert.deepEqual(output, [
{
oldPath: 'dir_a/one.png',
newPath: 'dir_b/one.png',
hunks: undefined,
status: 'renamed',
similarity: 100
}
])
test.done()
}
exports.testNoPatch = function(test) {
var str = dedent`
diff --git file.txt file.txt
old mode 100644
new mode 100755
`
const output = diff.parse(str)
assert.deepEqual(output, [
{
oldPath: 'file.txt',
newPath: 'file.txt',
oldMode: '100644',
newMode: '100755',
status: 'modified',
hunks: [],
binary: false
},
])
test.done()
}
exports.testRenameCopy = function(test) {
var str = dedent`
diff --git old/file.png new/file.png
similarity index 90%
rename from old/file.png
rename to new/file.png
diff --git copy/file.png copy/file2.png
similarity index 100%
copy from copy/file.png
copy to copy/file2.png
`
const output = diff.parse(str)
assert.deepEqual(output, [
{
oldPath: 'old/file.png',
newPath: 'new/file.png',
status: 'renamed',
similarity: 90,
hunks: [],
},
{
oldPath: 'copy/file.png',
newPath: 'copy/file2.png',
status: 'copied',
similarity: 100,
hunks: [],
},
])
test.done()
}
exports.testRenameWithChangedLinesAndModeChange = function(test) {
var str = dedent`
diff --git file.txt rename-file.txt
old mode 100644
new mode 100755
similarity index 76%
rename from file.txt
rename to rename-file.txt
index 471a7b8..3e32ec2
--- file.txt
+++ rename-file.txt
@@ -1,4 +1,5 @@
foo
bar
baz
+qux
`;
const output = diff.parse(str)
assert.deepEqual(output, [
{
oldPath: "file.txt",
newPath: "rename-file.txt",
oldMode: "100644",
newMode: "100755",
status: "renamed",
similarity: 76,
hunks: [{
oldStartLine: 1,
oldLineCount: 4,
newStartLine: 1,
newLineCount: 5,
heading: '',
lines: [' foo', ' bar', ' baz', '+qux']
}]
}
]);
test.done()
}
exports.testMergeConflictNoPatch = function(test) {
var str = dedent`
diff --cc file-0.txt
index 1fbec74,3bfc451..0000000
--- file-0.txt
+++ file-0.txt
`
const output = diff.parse(str)
assert.deepEqual(output, [
{
filePath: 'file-0.txt',
status: 'unmerged',
hunks: [],
binary: false
}
])
test.done()
}
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