Documentation ¶
Overview ¶
Package difftest supplies a set of tests that will operate on any implementation of a diff algorithm as exposed by diff "github.com/neilotoole/sq/libsq/core/diffdoc/internal/go-udiff"
Index ¶
Constants ¶
View Source
const ( FileA = "from" FileB = "to" UnifiedPrefix = "--- " + FileA + "\n+++ " + FileB + "\n" )
Variables ¶
View Source
var TestCases = []struct { Name, In, Out, Unified string Edits, LineEdits []diff.Edit NoDiff bool }{ { Name: "empty", In: "", Out: "", }, { Name: "no_diff", In: "gargantuan\n", Out: "gargantuan\n", }, { Name: "replace_all", In: "fruit\n", Out: "cheese\n", Unified: UnifiedPrefix + ` @@ -1 +1 @@ -fruit +cheese `[1:], Edits: []diff.Edit{{Start: 0, End: 5, New: "cheese"}}, LineEdits: []diff.Edit{{Start: 0, End: 6, New: "cheese\n"}}, }, { Name: "insert_rune", In: "gord\n", Out: "gourd\n", Unified: UnifiedPrefix + ` @@ -1 +1 @@ -gord +gourd `[1:], Edits: []diff.Edit{{Start: 2, End: 2, New: "u"}}, LineEdits: []diff.Edit{{Start: 0, End: 5, New: "gourd\n"}}, }, { Name: "delete_rune", In: "groat\n", Out: "goat\n", Unified: UnifiedPrefix + ` @@ -1 +1 @@ -groat +goat `[1:], Edits: []diff.Edit{{Start: 1, End: 2, New: ""}}, LineEdits: []diff.Edit{{Start: 0, End: 6, New: "goat\n"}}, }, { Name: "replace_rune", In: "loud\n", Out: "lord\n", Unified: UnifiedPrefix + ` @@ -1 +1 @@ -loud +lord `[1:], Edits: []diff.Edit{{Start: 2, End: 3, New: "r"}}, LineEdits: []diff.Edit{{Start: 0, End: 5, New: "lord\n"}}, }, { Name: "replace_partials", In: "blanket\n", Out: "bunker\n", Unified: UnifiedPrefix + ` @@ -1 +1 @@ -blanket +bunker `[1:], Edits: []diff.Edit{ {Start: 1, End: 3, New: "u"}, {Start: 6, End: 7, New: "r"}, }, LineEdits: []diff.Edit{{Start: 0, End: 8, New: "bunker\n"}}, }, { Name: "insert_line", In: "1: one\n3: three\n", Out: "1: one\n2: two\n3: three\n", Unified: UnifiedPrefix + ` @@ -1,2 +1,3 @@ 1: one +2: two 3: three `[1:], Edits: []diff.Edit{{Start: 7, End: 7, New: "2: two\n"}}, }, { Name: "replace_no_newline", In: "A", Out: "B", Unified: UnifiedPrefix + ` @@ -1 +1 @@ -A \ No newline at end of file +B \ No newline at end of file `[1:], Edits: []diff.Edit{{Start: 0, End: 1, New: "B"}}, }, { Name: "delete_empty", In: "meow", Out: "", Unified: UnifiedPrefix + ` @@ -1 +0,0 @@ -meow \ No newline at end of file `[1:], Edits: []diff.Edit{{Start: 0, End: 4, New: ""}}, LineEdits: []diff.Edit{{Start: 0, End: 4, New: ""}}, }, { Name: "append_empty", In: "", Out: "AB\nC", Unified: UnifiedPrefix + ` @@ -0,0 +1,2 @@ +AB +C \ No newline at end of file `[1:], Edits: []diff.Edit{{Start: 0, End: 0, New: "AB\nC"}}, LineEdits: []diff.Edit{{Start: 0, End: 0, New: "AB\nC"}}, }, { Name: "add_end", In: "A", Out: "AB", Unified: UnifiedPrefix + ` @@ -1 +1 @@ -A \ No newline at end of file +AB \ No newline at end of file `[1:], Edits: []diff.Edit{{Start: 1, End: 1, New: "B"}}, LineEdits: []diff.Edit{{Start: 0, End: 1, New: "AB"}}, }, { Name: "add_empty", In: "", Out: "AB\nC", Unified: UnifiedPrefix + ` @@ -0,0 +1,2 @@ +AB +C \ No newline at end of file `[1:], Edits: []diff.Edit{{Start: 0, End: 0, New: "AB\nC"}}, LineEdits: []diff.Edit{{Start: 0, End: 0, New: "AB\nC"}}, }, { Name: "add_newline", In: "A", Out: "A\n", Unified: UnifiedPrefix + ` @@ -1 +1 @@ -A \ No newline at end of file +A `[1:], Edits: []diff.Edit{{Start: 1, End: 1, New: "\n"}}, LineEdits: []diff.Edit{{Start: 0, End: 1, New: "A\n"}}, }, { Name: "delete_front", In: "A\nB\nC\nA\nB\nB\nA\n", Out: "C\nB\nA\nB\nA\nC\n", Unified: UnifiedPrefix + ` @@ -1,7 +1,6 @@ -A -B C +B A B -B A +C `[1:], NoDiff: true, Edits: []diff.Edit{ {Start: 0, End: 4, New: ""}, {Start: 6, End: 6, New: "B\n"}, {Start: 10, End: 12, New: ""}, {Start: 14, End: 14, New: "C\n"}, }, LineEdits: []diff.Edit{ {Start: 0, End: 6, New: "C\n"}, {Start: 6, End: 8, New: "B\nA\n"}, {Start: 10, End: 14, New: "A\n"}, {Start: 14, End: 14, New: "C\n"}, }, }, { Name: "replace_last_line", In: "A\nB\n", Out: "A\nC\n\n", Unified: UnifiedPrefix + ` @@ -1,2 +1,3 @@ A -B +C + `[1:], Edits: []diff.Edit{{Start: 2, End: 3, New: "C\n"}}, LineEdits: []diff.Edit{{Start: 2, End: 4, New: "C\n\n"}}, }, { Name: "multiple_replace", In: "A\nB\nC\nD\nE\nF\nG\n", Out: "A\nH\nI\nJ\nE\nF\nK\n", Unified: UnifiedPrefix + ` @@ -1,7 +1,7 @@ A -B -C -D +H +I +J E F -G +K `[1:], Edits: []diff.Edit{ {Start: 2, End: 8, New: "H\nI\nJ\n"}, {Start: 12, End: 14, New: "K\n"}, }, NoDiff: true, }, { Name: "extra_newline", In: "\nA\n", Out: "A\n", Edits: []diff.Edit{{Start: 0, End: 1, New: ""}}, Unified: UnifiedPrefix + `@@ -1,2 +1 @@ - A `, }, }
Functions ¶
Types ¶
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