Fix left-most diff cases.

[lightning.git] / hgvs / diff_test.go

diff --git a/hgvs/diff_test.go b/hgvs/diff_test.go
index 20043ca31a6d1926b53a20cf0083ebeff73c2fcd..2778dc8f553e2ce5f4964f9b0d0fb59c2efed1ab 100644 (file)
--- a/hgvs/diff_test.go
+++ b/hgvs/diff_test.go
@@ -1,3 +1,7 @@
+// Copyright (C) The Lightning Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
 package hgvs
 
 import (
@@ -57,7 +61,7 @@ func (s *diffSuite) TestDiff(c *check.C) {
                {
                        a:      "aaGGttAAtttt",
                        b:      "aaCCttttttC",
-                       expect: []string{"3_4delinsCC", "7_8del", "12_13insC"},
+                       expect: []string{"3G>C", "4G>C", "7_8del", "12_13insC"},
                },
                {
                        // without cleanup, diffmatchpatch solves this as {"3del", "=A", "4_5insA"}
@@ -69,13 +73,13 @@ func (s *diffSuite) TestDiff(c *check.C) {
                        // without cleanup, diffmatchpatch solves this as {"3_4del", "=A", "5_6insAA"}
                        a:      "agggaggggg",
                        b:      "agAAaggggg",
-                       expect: []string{"3_4delinsAA"},
+                       expect: []string{"3G>A", "4G>A"},
                },
                {
                        // without cleanup, diffmatchpatch solves this as {"3_4del", "=A", "5_6insCA"}
                        a:      "agggaggggg",
                        b:      "agACaggggg",
-                       expect: []string{"3_4delinsAC"},
+                       expect: []string{"3G>A", "4G>C"},
                },
                {
                        // without cleanup, diffmatchpatch solves this as {"3_7del", "=A", "8_9insAAACA"}
@@ -92,18 +96,102 @@ func (s *diffSuite) TestDiff(c *check.C) {
                {
                        a:      "agggaggggg",
                        b:      "agCAaggggg",
-                       expect: []string{"3_4delinsCA"},
+                       expect: []string{"3G>C", "4G>A"},
                },
                {
                        a:      "agggg",
                        b:      "agAAg",
-                       expect: []string{"3_4delinsAA"},
+                       expect: []string{"3G>A", "4G>A"},
+               },
+               {
+                       a:      "aggggg",
+                       b:      "agAAAg",
+                       expect: []string{"3_5delinsAAA"},
                },
                {
                        a:      "acgtgaa",
                        b:      "acTtgaa",
                        expect: []string{"3G>T"},
                },
+               {
+                       a:      "tcagaagac",
+                       b:      "tcaAaagac",
+                       expect: []string{"4G>A"},
+               },
+               {
+                       a:      "tcagatggac",
+                       b:      "tcaAaCggac",
+                       expect: []string{"4G>A", "6T>C"},
+               },
+               {
+                       a:      "tcagatggac",
+                       b:      "tcaAaCggTc",
+                       expect: []string{"4G>A", "6T>C", "9A>T"},
+               },
+               {
+                       a:      "tcagatggac",
+                       b:      "tcaAaCCggTc",
+                       expect: []string{"4G>A", "6delinsCC", "9A>T"},
+               },
+               {
+                       a:      "tcatagagac",
+                       b:      "tcacaagac",
+                       expect: []string{"4T>C", "6del"},
+               },
+               {
+                       a:      "tcatcgagac",
+                       b:      "tcGCcgagac",
+                       expect: []string{"3A>G", "4T>C"},
+               },
+               {
+                       a:      "tcatcgagac",
+                       b:      "tcGCcggac",
+                       expect: []string{"3A>G", "4T>C", "7del"},
+               },
+               {
+                       // should delete leftmost
+                       a:      "acgacaTTtttacac",
+                       b:      "acgacatttacac",
+                       expect: []string{"7_8del"},
+               },
+               {
+                       // should delete leftmost
+                       a:      "acgacATatatacac",
+                       b:      "acgacatatacac",
+                       expect: []string{"6_7del"},
+               },
+               {
+                       // should insert leftmost
+                       a:      "acgacatttacac",
+                       b:      "acgacaTTtttacac",
+                       expect: []string{"6_7insTT"},
+               },
+               {
+                       // should insert leftmost
+                       a:      "acgacatatacac",
+                       b:      "acgacATatatacac",
+                       expect: []string{"5_6insAT"},
+               },
+               {
+                       a:      "cccacGATAtatcc",
+                       b:      "cccactatcc",
+                       expect: []string{"6_9del"},
+               },
+               {
+                       a:      "acGATAtatcc",
+                       b:      "actatcc",
+                       expect: []string{"3_6del"},
+               },
+               {
+                       a:      "acTTTTTatcc",
+                       b:      "acGTTTatcc",
+                       expect: []string{"3_4delinsG"},
+               },
+               {
+                       a:      "acTTTTatcc",
+                       b:      "acGTTTTTatcc",
+                       expect: []string{"2_3insGT"},
+               },
        } {
                c.Log(trial)
                var vars []string