Merge pull request #34 from codecrafters-io/andy/tweak

Update test cases for #zm7 alternation

Author: andy1li

internal/stage_alternation.go

@@ -12,13 +12,18 @@ func testAlternation(stageHarness *test_case_harness.TestCaseHarness) error {
 			ExpectedExitCode: 0,
 		},
 		{
-			Pattern:          "a (cat|dog) and (cat|dog)s",
-			Input:            "a dog and cats",
+			Pattern:          "a (cat|dog)",
+			Input:            "a cow",
+			ExpectedExitCode: 1,
+		},
+		{
+			Pattern:          "^I see (\\d (cat|dog|cow)s?(, | and )?)+$",
+			Input:            "I see 1 cat, 2 dogs and 3 cows",
 			ExpectedExitCode: 0,
 		},
 		{
-			Pattern:          "a (cat|dog)",
-			Input:            "a cow",
+			Pattern:          "^I see (\\d (cat|dog|cow)(, | and )?)+$",
+			Input:            "I see 1 cat, 2 dogs and 3 cows",
 			ExpectedExitCode: 1,
 		},
 	}

internal/test_helpers/fixtures/alternation/success

@@ -2,11 +2,13 @@
 [stage-12] $ echo -n "a cat" | ./your_grep.sh -E "a (cat|dog)"
 [your_program] a cat
 [stage-12] ✓ Received exit code 0.
-[stage-12] $ echo -n "a dog and cats" | ./your_grep.sh -E "a (cat|dog) and (cat|dog)s"
-[your_program] a dog and cats
-[stage-12] ✓ Received exit code 0.
 [stage-12] $ echo -n "a cow" | ./your_grep.sh -E "a (cat|dog)"
 [stage-12] ✓ Received exit code 1.
+[stage-12] $ echo -n "I see 1 cat, 2 dogs and 3 cows" | ./your_grep.sh -E "^I see (\d (cat|dog|cow)s?(, | and )?)+$"
+[your_program] I see 1 cat, 2 dogs and 3 cows
+[stage-12] ✓ Received exit code 0.
+[stage-12] $ echo -n "I see 1 cat, 2 dogs and 3 cows" | ./your_grep.sh -E "^I see (\d (cat|dog|cow)(, | and )?)+$"
+[stage-12] ✓ Received exit code 1.
 [stage-12] Test passed.
 
 [stage-11] Running tests for Stage #11: zb3

internal/test_helpers/fixtures/backreferences_multiple/success

@@ -84,11 +84,13 @@
 [stage-12] $ echo -n "a cat" | ./your_grep.sh -E "a (cat|dog)"
 [your_program] a cat
 [stage-12] ✓ Received exit code 0.
-[stage-12] $ echo -n "a dog and cats" | ./your_grep.sh -E "a (cat|dog) and (cat|dog)s"
-[your_program] a dog and cats
-[stage-12] ✓ Received exit code 0.
 [stage-12] $ echo -n "a cow" | ./your_grep.sh -E "a (cat|dog)"
 [stage-12] ✓ Received exit code 1.
+[stage-12] $ echo -n "I see 1 cat, 2 dogs and 3 cows" | ./your_grep.sh -E "^I see (\d (cat|dog|cow)s?(, | and )?)+$"
+[your_program] I see 1 cat, 2 dogs and 3 cows
+[stage-12] ✓ Received exit code 0.
+[stage-12] $ echo -n "I see 1 cat, 2 dogs and 3 cows" | ./your_grep.sh -E "^I see (\d (cat|dog|cow)(, | and )?)+$"
+[stage-12] ✓ Received exit code 1.
 [stage-12] Test passed.
 
 [stage-11] Running tests for Stage #11: zb3

internal/test_helpers/fixtures/backreferences_nested/success

@@ -125,11 +125,13 @@
 [stage-12] $ echo -n "a cat" | ./your_grep.sh -E "a (cat|dog)"
 [your_program] a cat
 [stage-12] ✓ Received exit code 0.
-[stage-12] $ echo -n "a dog and cats" | ./your_grep.sh -E "a (cat|dog) and (cat|dog)s"
-[your_program] a dog and cats
-[stage-12] ✓ Received exit code 0.
 [stage-12] $ echo -n "a cow" | ./your_grep.sh -E "a (cat|dog)"
 [stage-12] ✓ Received exit code 1.
+[stage-12] $ echo -n "I see 1 cat, 2 dogs and 3 cows" | ./your_grep.sh -E "^I see (\d (cat|dog|cow)s?(, | and )?)+$"
+[your_program] I see 1 cat, 2 dogs and 3 cows
+[stage-12] ✓ Received exit code 0.
+[stage-12] $ echo -n "I see 1 cat, 2 dogs and 3 cows" | ./your_grep.sh -E "^I see (\d (cat|dog|cow)(, | and )?)+$"
+[stage-12] ✓ Received exit code 1.
 [stage-12] Test passed.
 
 [stage-11] Running tests for Stage #11: zb3

internal/test_helpers/fixtures/backreferences_single/success

@@ -43,11 +43,13 @@
 [stage-12] $ echo -n "a cat" | ./your_grep.sh -E "a (cat|dog)"
 [your_program] a cat
 [stage-12] ✓ Received exit code 0.
-[stage-12] $ echo -n "a dog and cats" | ./your_grep.sh -E "a (cat|dog) and (cat|dog)s"
-[your_program] a dog and cats
-[stage-12] ✓ Received exit code 0.
 [stage-12] $ echo -n "a cow" | ./your_grep.sh -E "a (cat|dog)"
 [stage-12] ✓ Received exit code 1.
+[stage-12] $ echo -n "I see 1 cat, 2 dogs and 3 cows" | ./your_grep.sh -E "^I see (\d (cat|dog|cow)s?(, | and )?)+$"
+[your_program] I see 1 cat, 2 dogs and 3 cows
+[stage-12] ✓ Received exit code 0.
+[stage-12] $ echo -n "I see 1 cat, 2 dogs and 3 cows" | ./your_grep.sh -E "^I see (\d (cat|dog|cow)(, | and )?)+$"
+[stage-12] ✓ Received exit code 1.
 [stage-12] Test passed.
 
 [stage-11] Running tests for Stage #11: zb3