add tests for here-doc strings (syntax)

Requirements to run tests:

- UnitTesting (install via Package Control)
- Publish the package as directory (./bin/Build-Folder.ps1)

Running the tests:

- Open Command Palette
- Select 'UnitTesting'
- Type in 'PowerShell'
- Press enter

Author: guillermooo

tests/__init__.py

@@ -0,0 +1,39 @@
+import unittest
+
+import sublime
+
+
+class ViewTest(unittest.TestCase):
+    def setUp(self):
+        self.view = sublime.active_window().new_file()
+
+    def append(self, text):
+        self.view.run_command('append', {'characters': text})
+
+    def tearDown(self):
+        self.view.set_scratch(True)
+        self.view.close()
+
+
+class SyntaxTest(ViewTest):
+    def _setSyntax(self, rel_path):
+        self.view.set_syntax_file(rel_path)
+
+    def getScopeNameAt(self, pt):
+        return self.view.scope_name(pt)
+
+    def getFinestScopeNameAt(self, pt):
+        return self.getScopeNameAt(pt).split()[-1]
+
+    def getScopeNameAtRowCol(self, row, col):
+        text_pt = self.view.text_point(row, col)
+        return self.getScopeNameAt(text_pt)
+
+    def getFinestScopeNameAtRowCol(self, row, col):
+        return self.getScopeNameAtRowCol(row, col).split()[-1]
+
+
+class PowerShellSyntaxTest(SyntaxTest):
+    def setUp(self):
+        super().setUp()
+        self._setSyntax('Packages/PowerShell/Support/PowershellSyntax.tmLanguage')

tests/syntax_def/__init__.py

@@ -0,0 +1,37 @@
+from PowerShell.tests import PowerShellSyntaxTest
+
+
+class Test_DoubleQuoted_HereDocStrings(PowerShellSyntaxTest):
+    def testIsScopeCorrectIfDelimiterAtBOL(self):
+        self.append("""@"
+hello
+"@
+""")
+        sname = self.getFinestScopeNameAtRowCol(1, 1)
+        self.assertEqual(sname, 'string.quoted.double.heredoc.powershell')
+
+    def testIsScopeCorrectIfDelimiterNotAtBOL(self):
+        self.append("""$foo = @"
+hello
+"@
+""")
+        sname = self.getFinestScopeNameAtRowCol(1, 1)
+        self.assertEqual(sname, 'string.quoted.double.heredoc.powershell')
+
+
+class Test_SingleQuoted_HereDocStrings(PowerShellSyntaxTest):
+    def testIsScopeCorrectIfDelimiterAtBOL(self):
+        self.append("""@'
+hello
+'@
+""")
+        sname = self.getFinestScopeNameAtRowCol(1, 1)
+        self.assertEqual(sname, 'string.quoted.single.heredoc.powershell')
+
+    def testIsScopeCorrectIfDelimiterNotAtBOL(self):
+        self.append("""$foo = @'
+hello
+'@
+""")
+        sname = self.getFinestScopeNameAtRowCol(1, 1)
+        self.assertEqual(sname, 'string.quoted.single.heredoc.powershell')