@@ -0,0 +1,18 @@
+from core_codemods.fix_empty_sequence_comparison import FixEmptySequenceComparison
+from integration_tests.base_test import (
+    BaseIntegrationTest,
+    original_and_expected_from_code_path,
+)
+
+
+class TestFixEmptySequenceComparison(BaseIntegrationTest):
+    codemod = FixEmptySequenceComparison
+    code_path = "tests/samples/fix_empty_sequence_comparison.py"
+    original_code, expected_new_code = original_and_expected_from_code_path(
+        code_path, [(1, "if x:\n")]
+    )
+    expected_diff = (
+        "--- \n+++ \n@@ -1,3 +1,3 @@\n x = [1]\n-if x != []:\n+if x:\n     pass\n"
+    )
+    expected_line_change = "2"
+    change_description = FixEmptySequenceComparison.CHANGE_DESCRIPTION
@@ -210,6 +210,10 @@ class DocMetadata:
         importance="Medium",
         guidance_explained="We believe this change is safe and will not cause any issues.",
     ),
+    "fix-empty-sequence-comparison": DocMetadata(
+        importance="Low",
+        guidance_explained="Simplifying comparison expressions to empty sequences is safe.",
+    ),
 }
 
 
 
@@ -44,8 +44,12 @@
 from .remove_debug_breakpoint import RemoveDebugBreakpoint
 from .combine_startswith_endswith import CombineStartswithEndswith
 from .fix_deprecated_logging_warn import FixDeprecatedLoggingWarn
+<<<<<<< HEAD
 from .flask_enable_csrf_protection import FlaskEnableCSRFProtection
 from .replace_flask_send_file import ReplaceFlaskSendFile
+=======
+from .fix_empty_sequence_comparison import FixEmptySequenceComparison
+>>>>>>> 00f4616 (document and fully test empty sequence comparison)
 
 registry = CodemodCollection(
     origin="pixee",
@@ -98,5 +102,6 @@
         FixDeprecatedLoggingWarn,
         FlaskEnableCSRFProtection,
         ReplaceFlaskSendFile,
+        FixEmptySequenceComparison,
     ],
 )
@@ -0,0 +1,11 @@
+Empty sequences in a boolean comparison expression are considered falsy so you can use implicit boolean comparisons instead of
+comparing against empty sequences directly
+
+Our changes look like the following:
+```diff
+ x = [1]
+
+- if x != []:
++ if x:
+    pass 
+```
@@ -1,5 +1,4 @@
 import libcst as cst
-from typing import Union
 from codemodder.codemods.api import BaseCodemod, ReviewGuidance
 from codemodder.codemods.utils_mixin import NameResolutionMixin, AncestorPatternsMixin
 
@@ -8,9 +7,11 @@ class FixEmptySequenceComparison(
     BaseCodemod, NameResolutionMixin, AncestorPatternsMixin
 ):
     NAME = "fix-empty-sequence-comparison"
-    SUMMARY = "TODO"
+    SUMMARY = "Replace Comparisons to Empty Sequence with Implicit Boolean Comparison"
     REVIEW_GUIDANCE = ReviewGuidance.MERGE_WITHOUT_REVIEW
-    DESCRIPTION = "TODO"
+    DESCRIPTION = (
+        "Replace comparisons to empty sequence with implicit boolean comparison."
+    )
     REFERENCES: list = []
 
     def leave_Comparison(
 
@@ -0,0 +1,3 @@
+x = [1]
+if x != []:
+    pass
Original file line number	Diff line number	Diff line change
`@@ -210,6 +210,10 @@ class DocMetadata:`
`210`	`210`	`importance="Medium",`
`211`	`211`	`guidance_explained="We believe this change is safe and will not cause any issues.",`
`212`	`212`	`),`
	`213`	`+ "fix-empty-sequence-comparison": DocMetadata(`
	`214`	`+ importance="Low",`
	`215`	`+ guidance_explained="Simplifying comparison expressions to empty sequences is safe.",`
	`216`	`+ ),`
`213`	`217`	`}`
`214`	`218`
`215`	`219`