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test_restyle.py
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import unittest
from restyle import changed_files_for_diff
# small git-diff samples from https://queirozf.com/entries/git-diff-reference-and-examples
class BaseTest(unittest.TestCase):
def testNewLine(self):
diff = """
diff --git a/file.txt b/file.txt
index 257cc56..3bd1f0e 100644
--- a/file.txt
+++ b/file.txt
@@ -1 +1,2 @@
foo
+bar
"""
changed = changed_files_for_diff(diff)
self.assertEqual(1, len(changed))
self.assertEqual("file.txt", changed[0].file)
self.assertEqual(1, len(changed[0].lines))
self.assertEqual(1, changed[0].lines[0])
expected = """
--- a/file.txt
+++ b/file.txt
@@ -1 +1,2 @@
foo
+bar
""".strip()
self.assertEqual(expected, changed[0].hunk.strip())
def testNewLines(self):
diff = """
diff --git a/file.txt b/file.txt
index 257cc56..3bd1f0e 100644
--- a/file2.txt
+++ b/file2.txt
@@ -1 +1,2 @@
foo
+bar
baz
@@ -1 +10,2 @@
222
-222
333
@@ -1 +100,3 @@
aaa
+bbb
+ccc
ddd
"""
changed = changed_files_for_diff(diff)
self.assertEqual(1, len(changed))
self.assertEqual("file2.txt", changed[0].file)
lines = changed[0].lines
self.assertEqual(3, len(lines))
first, second, third = lines
self.assertEqual(1, first)
self.assertEqual(10, second)
self.assertEqual(100, third)
expected = """
--- a/file2.txt
+++ b/file2.txt
@@ -1 +1,2 @@
foo
+bar
baz
@@ -1 +10,2 @@
222
-222
333
@@ -1 +100,3 @@
aaa
+bbb
+ccc
ddd
""".strip()
self.assertEqual(expected, changed[0].hunk.strip())
def testRemovedLineAndDeletedFile(self):
diff = """
diff --git a/file.txt b/file.txt
index 3bd1f0e..257cc56 100644
--- a/file.txt
+++ b/file.txt
@@ -1,2 +1 @@
foo
-bar
diff --git a/file2.txt b/file2.txt
deleted file mode 100644
index 85553e8..0000000
--- a/file2.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-aaaaaa
-bbbbbb
"""
changed = changed_files_for_diff(diff)
self.assertEqual(1, len(changed))
self.assertEqual("file.txt", changed[0].file)
self.assertEqual(1, len(changed[0].lines))
self.assertEqual(1, changed[0].lines[0])
expected = """
--- a/file.txt
+++ b/file.txt
@@ -1,2 +1 @@
foo
-bar
""".strip()
self.assertEqual(expected, changed[0].hunk.strip())
def testNewLineAndDeletedFile(self):
diff = """
diff --git a/file.txt b/file.txt
index 3bd1f0e..86e041d 100644
--- a/file.txt
+++ b/file.txt
@@ -1,2 +1,3 @@
foo
bar
+baz
diff --git a/file2.txt b/file2.txt
deleted file mode 100644
index 85553e8..0000000
--- a/file2.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-aaaaaa
-bbbbbb
"""
changed = changed_files_for_diff(diff)
self.assertEqual(1, len(changed))
self.assertEqual("file.txt", changed[0].file)
self.assertEqual(1, len(changed[0].lines))
self.assertEqual(1, changed[0].lines[0])
expected = """
--- a/file.txt
+++ b/file.txt
@@ -1,2 +1,3 @@
foo
bar
+baz
""".strip()
self.assertEqual(expected, changed[0].hunk.strip())
def testDeletedFile(self):
diff = """
diff --git a/file2.txt b/file2.txt
deleted file mode 100644
index 85553e8..0000000
--- a/file2.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-aaaaaa
-bbbbbb
"""
changed = changed_files_for_diff(diff)
self.assertEqual(0, len(changed))
def testNewFile(self):
diff = """
diff --git a/file3.txt b/file3.txt
new file mode 100644
index 0000000..a309e46
--- /dev/null
+++ b/file3.txt
@@ -0,0 +1 @@
+this is file3
"""
changed = changed_files_for_diff(diff)
self.assertEqual(0, len(changed))
if __name__ == '__main__':
unittest.main()