diff options
| -rw-r--r-- | lib/experimental/diff.nim | 80 | ||||
| -rw-r--r-- | tests/stdlib/tdiff.nim | 73 |
2 files changed, 73 insertions, 80 deletions
diff --git a/lib/experimental/diff.nim b/lib/experimental/diff.nim index 5a69687a3..d1274d771 100644 --- a/lib/experimental/diff.nim +++ b/lib/experimental/diff.nim @@ -331,83 +331,3 @@ proc diffText*(textA, textB: string): seq[Item] = optimize(dataA) optimize(dataB) result = createDiffs(dataA, dataB) - -when isMainModule: - - proc testHelper(f: seq[Item]): string = - for it in f: - result.add( - $it.deletedA & "." & $it.insertedB & "." & $it.startA & "." & $it.startB & "*" - ) - - proc main() = - var a, b: string - - stdout.writeLine("Diff Self Test...") - - # test all changes - a = "a,b,c,d,e,f,g,h,i,j,k,l".replace(',', '\n') - b = "0,1,2,3,4,5,6,7,8,9".replace(',', '\n') - assert(testHelper(diffText(a, b)) == - "12.10.0.0*", - "all-changes test failed.") - stdout.writeLine("all-changes test passed.") - # test all same - a = "a,b,c,d,e,f,g,h,i,j,k,l".replace(',', '\n') - b = a - assert(testHelper(diffText(a, b)) == - "", - "all-same test failed.") - stdout.writeLine("all-same test passed.") - - # test snake - a = "a,b,c,d,e,f".replace(',', '\n') - b = "b,c,d,e,f,x".replace(',', '\n') - assert(testHelper(diffText(a, b)) == - "1.0.0.0*0.1.6.5*", - "snake test failed.") - stdout.writeLine("snake test passed.") - - # 2002.09.20 - repro - a = "c1,a,c2,b,c,d,e,g,h,i,j,c3,k,l".replace(',', '\n') - b = "C1,a,C2,b,c,d,e,I1,e,g,h,i,j,C3,k,I2,l".replace(',', '\n') - assert(testHelper(diffText(a, b)) == - "1.1.0.0*1.1.2.2*0.2.7.7*1.1.11.13*0.1.13.15*", - "repro20020920 test failed.") - stdout.writeLine("repro20020920 test passed.") - - # 2003.02.07 - repro - a = "F".replace(',', '\n') - b = "0,F,1,2,3,4,5,6,7".replace(',', '\n') - assert(testHelper(diffText(a, b)) == - "0.1.0.0*0.7.1.2*", - "repro20030207 test failed.") - stdout.writeLine("repro20030207 test passed.") - - # Muegel - repro - a = "HELLO\nWORLD" - b = "\n\nhello\n\n\n\nworld\n" - assert(testHelper(diffText(a, b)) == - "2.8.0.0*", - "repro20030409 test failed.") - stdout.writeLine("repro20030409 test passed.") - - # test some differences - a = "a,b,-,c,d,e,f,f".replace(',', '\n') - b = "a,b,x,c,e,f".replace(',', '\n') - assert(testHelper(diffText(a, b)) == - "1.1.2.2*1.0.4.4*1.0.7.6*", - "some-changes test failed.") - stdout.writeLine("some-changes test passed.") - - # test one change within long chain of repeats - a = "a,a,a,a,a,a,a,a,a,a".replace(',', '\n') - b = "a,a,a,a,-,a,a,a,a,a".replace(',', '\n') - assert(testHelper(diffText(a, b)) == - "0.1.4.4*1.0.9.10*", - "long chain of repeats test failed.") - - stdout.writeLine("End.") - stdout.flushFile - - main() diff --git a/tests/stdlib/tdiff.nim b/tests/stdlib/tdiff.nim new file mode 100644 index 000000000..694ac6198 --- /dev/null +++ b/tests/stdlib/tdiff.nim @@ -0,0 +1,73 @@ +discard """ + targets: "c js" +""" + +import experimental/diff +import std/strutils + +proc testHelper(f: seq[Item]): string = + for it in f: + result.add( + $it.deletedA & "." & $it.insertedB & "." & $it.startA & "." & $it.startB & "*" + ) + +proc main() = + var a, b: string + + # Diff Self Test + # test all changes + a = "a,b,c,d,e,f,g,h,i,j,k,l".replace(',', '\n') + b = "0,1,2,3,4,5,6,7,8,9".replace(',', '\n') + doAssert(testHelper(diffText(a, b)) == + "12.10.0.0*", + "all-changes test failed.") + # test all same + a = "a,b,c,d,e,f,g,h,i,j,k,l".replace(',', '\n') + b = a + doAssert(testHelper(diffText(a, b)) == + "", + "all-same test failed.") + + # test snake + a = "a,b,c,d,e,f".replace(',', '\n') + b = "b,c,d,e,f,x".replace(',', '\n') + doAssert(testHelper(diffText(a, b)) == + "1.0.0.0*0.1.6.5*", + "snake test failed.") + + # 2002.09.20 - repro + a = "c1,a,c2,b,c,d,e,g,h,i,j,c3,k,l".replace(',', '\n') + b = "C1,a,C2,b,c,d,e,I1,e,g,h,i,j,C3,k,I2,l".replace(',', '\n') + doAssert(testHelper(diffText(a, b)) == + "1.1.0.0*1.1.2.2*0.2.7.7*1.1.11.13*0.1.13.15*", + "repro20020920 test failed.") + + # 2003.02.07 - repro + a = "F".replace(',', '\n') + b = "0,F,1,2,3,4,5,6,7".replace(',', '\n') + doAssert(testHelper(diffText(a, b)) == + "0.1.0.0*0.7.1.2*", + "repro20030207 test failed.") + + # Muegel - repro + a = "HELLO\nWORLD" + b = "\n\nhello\n\n\n\nworld\n" + doAssert(testHelper(diffText(a, b)) == + "2.8.0.0*", + "repro20030409 test failed.") + + # test some differences + a = "a,b,-,c,d,e,f,f".replace(',', '\n') + b = "a,b,x,c,e,f".replace(',', '\n') + doAssert(testHelper(diffText(a, b)) == + "1.1.2.2*1.0.4.4*1.0.7.6*", + "some-changes test failed.") + + # test one change within long chain of repeats + a = "a,a,a,a,a,a,a,a,a,a".replace(',', '\n') + b = "a,a,a,a,-,a,a,a,a,a".replace(',', '\n') + doAssert(testHelper(diffText(a, b)) == + "0.1.4.4*1.0.9.10*", + "long chain of repeats test failed.") +main() +static: main() |