Add more tests

Signed-off-by: Deven Bansod <devenbansod.bits@gmail.com>

13 files changed, 84 insertions, 25 deletions

diff --git a/src/Components/CaseExpression.php b/src/Components/CaseExpression.php
index 97903c3..09219ca 100644
--- a/src/Components/CaseExpression.php
+++ b/src/Components/CaseExpression.php
@@ -105,11 +105,6 @@ class CaseExpression extends Component
              */
             $token = $list->tokens[$list->idx];
 
-            // End of statement.
-            if ($token->type === Token::TYPE_DELIMITER) {
-                break;
-            }
-
             // Skipping whitespaces and comments.
             if (($token->type === Token::TYPE_WHITESPACE)
                 || ($token->type === Token::TYPE_COMMENT)
@@ -172,9 +167,6 @@ class CaseExpression extends Component
                     } elseif ($token->type === Token::TYPE_KEYWORD) {
                         $parser->error(__('Unexpected keyword.'), $token);
                         break;
-                    } else {
-                        $parser->error(__('Unexpected token.'), $token);
-                        break;
                     }
                 } else {
                     if ($token->type === Token::TYPE_KEYWORD
@@ -187,9 +179,6 @@ class CaseExpression extends Component
                     } elseif ($token->type === Token::TYPE_KEYWORD) {
                         $parser->error(__('Unexpected keyword.'), $token);
                         break;
-                    } else {
-                        $parser->error(__('Unexpected token.'), $token);
-                        break;
                     }
                 }
             } elseif ($state === 2) {
@@ -204,9 +193,6 @@ class CaseExpression extends Component
                     } elseif ($token->type === Token::TYPE_KEYWORD) {
                         $parser->error(__('Unexpected keyword.'), $token);
                         break;
-                    } else {
-                        $parser->error(__('Unexpected token.'), $token);
-                        break;
                     }
                 }
             }
@@ -238,7 +224,7 @@ class CaseExpression extends Component
             for (
                 $i = 0;
                 $i < count($component->compare_values) && $i < count($component->results);
-                $i++
+                ++$i
             ) {
                 $ret .= 'WHEN ' . $component->compare_values[$i] . ' ';
                 $ret .= 'THEN ' . $component->results[$i] . ' ';
@@ -248,7 +234,7 @@ class CaseExpression extends Component
             for (
                 $i = 0;
                 $i < count($component->conditions) && $i < count($component->results);
-                $i++
+                ++$i
             ) {
                 $ret .= 'WHEN ' . Condition::build($component->conditions[$i]) . ' ';
                 $ret .= 'THEN ' . $component->results[$i] . ' ';
diff --git a/tests/Components/CaseExpressionTest.php b/tests/Components/CaseExpressionTest.php
index 263775d..8746909 100644
--- a/tests/Components/CaseExpressionTest.php
+++ b/tests/Components/CaseExpressionTest.php
@@ -33,4 +33,56 @@ class CaseExpressionTest extends TestCase
             'CASE WHEN 1=1 THEN "India" ELSE "Other" END'
         );
     }
+
+    public function testParseBuild3()
+    {
+        $caseExprQuery = 'case 1 when 1 then "Some" '
+            . 'when 2 then "SomeOther" else "Other" end';
+        $component = CaseExpression::parse(
+            new Parser(),
+            $this->getTokensList($caseExprQuery));
+        $this->assertEquals(
+            CaseExpression::build($component),
+            'CASE 1 WHEN 1 THEN "Some" WHEN 2 THEN "SomeOther" ELSE "Other" END'
+        );
+    }
+
+    public function testParseBuild4()
+    {
+        $caseExprQuery = 'case 1 when 1 then "Some" '
+            . 'when 2 then "SomeOther" end';
+        $component = CaseExpression::parse(
+            new Parser(),
+            $this->getTokensList($caseExprQuery));
+        $this->assertEquals(
+            CaseExpression::build($component),
+            'CASE 1 WHEN 1 THEN "Some" WHEN 2 THEN "SomeOther" END'
+        );
+    }
+
+    public function testParseBuild5()
+    {
+        $caseExprQuery = 'case when 1=1 then "Some" '
+            . 'when 1=2 then "SomeOther" else "Other" end';
+        $component = CaseExpression::parse(
+            new Parser(),
+            $this->getTokensList($caseExprQuery));
+        $this->assertEquals(
+            CaseExpression::build($component),
+            'CASE WHEN 1=1 THEN "Some" WHEN 1=2 THEN "SomeOther" ELSE "Other" END'
+        );
+    }
+
+    public function testParseBuild6()
+    {
+        $caseExprQuery = 'case when 1=1 then "Some" '
+            . 'when 1=2 then "SomeOther" end';
+        $component = CaseExpression::parse(
+            new Parser(),
+            $this->getTokensList($caseExprQuery));
+        $this->assertEquals(
+            CaseExpression::build($component),
+            'CASE WHEN 1=1 THEN "Some" WHEN 1=2 THEN "SomeOther" END'
+        );
+    }
 }
diff --git a/tests/Parser/SelectStatementTest.php b/tests/Parser/SelectStatementTest.php
index bcecc1a..0ab7c5f 100644
--- a/tests/Parser/SelectStatementTest.php
+++ b/tests/Parser/SelectStatementTest.php
@@ -35,10 +35,13 @@ class SelectStatementTest extends TestCase
             array('parser/parseSelectNested'),
             array('parser/parseSelectCase1'),
             array('parser/parseSelectCase2'),
+            array('parser/parseSelectCase3'),
+            array('parser/parseSelectCase4'),
             array('parser/parseSelectCaseErr1'),
             array('parser/parseSelectCaseErr2'),
             array('parser/parseSelectCaseErr3'),
             array('parser/parseSelectCaseErr4'),
+            array('parser/parseSelectCaseErr5'),
         );
     }
 }
diff --git a/tests/data/parser/parseSelectCase2.in b/tests/data/parser/parseSelectCase2.in
index e078b02..39af441 100644
--- a/tests/data/parser/parseSelectCase2.in
+++ b/tests/data/parser/parseSelectCase2.in
@@ -1,2 +1,2 @@
 select (SELECT name FROM mysql.help_category WHERE help_category_id = 1) as name,
-case when 1=1 then "Some" else "Other" end FROM a;
\ No newline at end of file
+case /* */ when 1=1 then "Some" else "Other" end FROM a;
\ No newline at end of file
diff --git a/tests/data/parser/parseSelectCase2.out b/tests/data/parser/parseSelectCase2.out
index 4febdb8..1619dff 100644
--- a/tests/data/parser/parseSelectCase2.out
+++ b/tests/data/parser/parseSelectCase2.out
@@ -1,4 +1,4 @@
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\ No newline at end of file
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\ No newline at end of file
diff --git a/tests/data/parser/parseSelectCase3.in b/tests/data/parser/parseSelectCase3.in
new file mode 100644
index 0000000..6e2c04b
--- /dev/null
+++ b/tests/data/parser/parseSelectCase3.in
@@ -0,0 +1,2 @@
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+case /* */ when 1=1 then "Some" when 2=1 then "Other" end FROM a;
\ No newline at end of file
diff --git a/tests/data/parser/parseSelectCase3.out b/tests/data/parser/parseSelectCase3.out
new file mode 100644
index 0000000..7269180
--- /dev/null
+++ b/tests/data/parser/parseSelectCase3.out
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\ No newline at end of file
diff --git a/tests/data/parser/parseSelectCase4.in b/tests/data/parser/parseSelectCase4.in
new file mode 100644
index 0000000..26fab19
--- /dev/null
+++ b/tests/data/parser/parseSelectCase4.in
@@ -0,0 +1,2 @@
+select (SELECT name FROM mysql.help_category WHERE help_category_id = 1) as name,
+case 1 /* */ when 1 then "Some" when 2 then "Other" end FROM a;
\ No newline at end of file
diff --git a/tests/data/parser/parseSelectCase4.out b/tests/data/parser/parseSelectCase4.out
new file mode 100644
index 0000000..8a45ca2
--- /dev/null
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\ No newline at end of file
diff --git a/tests/data/parser/parseSelectCaseErr3.in b/tests/data/parser/parseSelectCaseErr3.in
index 3ee9795..9461c0e 100644
--- a/tests/data/parser/parseSelectCaseErr3.in
+++ b/tests/data/parser/parseSelectCaseErr3.in
@@ -1,2 +1,2 @@
 select (SELECT name FROM mysql.help_category WHERE help_category_id = 1) as name,
-case then 1=1 when "Some" else "Other" end FROM a;
\ No newline at end of file
+case when 1=1 when "Some" else "Other" end FROM a;
\ No newline at end of file
diff --git a/tests/data/parser/parseSelectCaseErr3.out b/tests/data/parser/parseSelectCaseErr3.out
index 1bf159b..80aa11d 100644
--- a/tests/data/parser/parseSelectCaseErr3.out
+++ b/tests/data/parser/parseSelectCaseErr3.out
@@ -1,4 +1,4 @@
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\ No newline at end of file
diff --git a/tests/data/parser/parseSelectCaseErr5.in b/tests/data/parser/parseSelectCaseErr5.in
new file mode 100644
index 0000000..6487375
--- /dev/null
+++ b/tests/data/parser/parseSelectCaseErr5.in
@@ -0,0 +1,2 @@
+select (SELECT name FROM mysql.help_category WHERE help_category_id = 1) as name,
+case 1 when 1 then "Some" when 2 when "Other" end FROM a;
\ No newline at end of file
diff --git a/tests/data/parser/parseSelectCaseErr5.out b/tests/data/parser/parseSelectCaseErr5.out
new file mode 100644
index 0000000..1cdbcbe
--- /dev/null
+++ b/tests/data/parser/parseSelectCaseErr5.out
@@ -0,0 +1,4 @@
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