Updated tests for NWSpell* classes

tests/README.md

@@ -59,12 +59,12 @@ Available markers are:
 To filter specific groups of tests, use the `-k` switch.
 The commands for the respective test categories are listed below.
 
-| Type | Test Target        | Source File(s)      | Marker    | Filter                |
-| :--- | :----------------- | :------------------ | :-------- | :-------------------- |
-| Unit | Core functions     | nw/core/tools.py    | `-m core` | `-k testCoreTools`    |
-| Unit | NWDoc class        | nw/core/document.py | `-m core` | `-k testCoreDocument` |
-| Unit | NWIndex class      | nw/core/index.py    | `-m core` | `-k testCoreIndex`    |
-| Unit | NWItem class       | nw/core/item.py     | `-m core` | `-k testCoreItem`     |
-| Unit | NWTree class       | nw/core/tree.py     | `-m core` | `-k testCoreTree`     |
-| Unit | OptionsState class | nw/core/options.py  | `-m core` | `-k testCoreOptions`  |
-
+| Type | Test Target        | Source File(s)        | Marker    | Filter                |
+| :--- | :----------------- | :-------------------- | :-------- | :-------------------- |
+| Unit | Core functions     | nw/core/tools.py      | `-m core` | `-k testCoreTools`    |
+| Unit | NWDoc class        | nw/core/document.py   | `-m core` | `-k testCoreDocument` |
+| Unit | NWIndex class      | nw/core/index.py      | `-m core` | `-k testCoreIndex`    |
+| Unit | NWItem class       | nw/core/item.py       | `-m core` | `-k testCoreItem`     |
+| Unit | NWSpell* classes   | nw/core/spellcheck.py | `-m core` | `-k testCoreSpell`    |
+| Unit | NWTree class       | nw/core/tree.py       | `-m core` | `-k testCoreTree`     |
+| Unit | OptionsState class | nw/core/options.py    | `-m core` | `-k testCoreOptions`  |

tests/dummy.py

@@ -47,5 +47,5 @@ class StatusBar():
 #  Dummy functions that will raise errors instead.
 # =========================================================================== #
 
-def dummyIO(*args, **kwargs):
+def causeOSError(*args, **kwargs):
     raise OSError

tests/test_core_document.py

@@ -5,6 +5,8 @@
 import os
 import pytest
 
+from dummy import causeOSError
+
 from nw.core import NWProject, NWDoc
 from nw.core.item import NWItem
 from nw.constants import nwItemClass, nwItemLayout
@@ -75,10 +77,7 @@ def testCoreDocument_LoadSave(monkeypatch, dummyGUI, nwMinimal):
         assert inFile.read() == theText
 
     # Cause open() to fail while saving
-    def dummyIO(*args, **kwargs):
-        raise OSError
-
-    monkeypatch.setattr("builtins.open", dummyIO)
+    monkeypatch.setattr("builtins.open", causeOSError)
     assert not theDoc.saveDocument(theText)
     monkeypatch.undo()
 
@@ -91,7 +90,7 @@ def testCoreDocument_LoadSave(monkeypatch, dummyGUI, nwMinimal):
     assert os.path.isfile(docPath)
 
     # Cause the delete to fail
-    monkeypatch.setattr("os.unlink", dummyIO)
+    monkeypatch.setattr("os.unlink", causeOSError)
     assert not theDoc.deleteDocument(xHandle)
     monkeypatch.undo()
 

tests/test_core_options.py

@@ -6,6 +6,8 @@ import os
 import json
 import pytest
 
+from dummy import causeOSError
+
 from nw.core import NWProject
 from nw.core.options import OptionState
 from nw.constants import nwFiles
@@ -44,10 +46,7 @@ def testCoreOptions_LoadSave(monkeypatch, dummyGUI, tmpDir):
     assert theProject.projMeta == tmpDir
 
     # Cause open() to fail
-    def dummyIO(*args, **kwargs):
-        raise OSError
-
-    monkeypatch.setattr("builtins.open", dummyIO)
+    monkeypatch.setattr("builtins.open", causeOSError)
     assert not theOpts.loadSettings()
     assert not theOpts.saveSettings()
     monkeypatch.undo()

tests/test_core_spell.py

@@ -0,0 +1,172 @@
+# -*- coding: utf-8 -*-
+"""novelWriter Spell Check Class Tester
+"""
+
+import os
+import sys
+import pytest
+
+from difflib import get_close_matches
+
+from dummy import causeOSError
+from tools import readFile, writeFile
+
+from nw.core.spellcheck import NWSpellCheck, NWSpellEnchant, NWSpellSimple
+from nw.constants import nwConst
+
+@pytest.mark.core
+def testCoreSpell_Super(monkeypatch, tmpDir, tmpConf):
+    """Test the spell checker super class
+    """
+    wList = os.path.join(tmpDir, "wordlist.txt")
+    writeFile(wList, "a_word\nb_word\nc_word\n")
+
+    spChk = NWSpellCheck()
+    spChk.mainConf = tmpConf
+
+    # Check that dummy functions return results that reflects that spell
+    # checking is effectively disabled
+    assert spChk.setLanguage("", "") is None
+    assert spChk.checkWord("")
+    assert spChk.suggestWords("") == []
+    assert spChk.listDictionaries() == []
+    assert spChk.describeDict() == ("", "")
+
+    # Check language info
+    assert NWSpellCheck.expandLanguage("en") == "English"
+    assert NWSpellCheck.expandLanguage("en_GB") == "English (GB)"
+
+    # Add a word to the user's dictionary
+    assert spChk._readProjectDictionary("dummy") is False
+    monkeypatch.setattr("builtins.open", causeOSError)
+    assert spChk._readProjectDictionary(wList) is False
+    monkeypatch.undo()
+    assert spChk._readProjectDictionary(wList) is True
+    assert spChk.projectDict == wList
+
+    # Cannot write to file
+    monkeypatch.setattr("builtins.open", causeOSError)
+    assert spChk.addWord("d_word") is False
+    monkeypatch.undo()
+    assert readFile(wList) == "a_word\nb_word\nc_word\n"
+
+    # First time, OK
+    assert spChk.addWord("d_word") is True
+    assert readFile(wList) == "a_word\nb_word\nc_word\nd_word\n"
+
+    # But not added twice
+    assert spChk.addWord("d_word") is False
+    assert readFile(wList) == "a_word\nb_word\nc_word\nd_word\n"
+
+# END Test testCoreSpell_Super
+
+@pytest.mark.core
+def testCoreSpell_Enchant(monkeypatch, tmpDir, tmpConf):
+    """Test the pyenchant spell checker
+    """
+    wList = os.path.join(tmpDir, "wordlist.txt")
+    writeFile(wList, "a_word\nb_word\nc_word\n")
+
+    # Block the enchant package (and trigger the dummy class)
+    monkeypatch.setitem(sys.modules, "enchant", None)
+    spChk = NWSpellEnchant()
+
+    spChk.setLanguage("en", wList)
+    assert spChk.setLanguage("", "") is None
+    assert spChk.checkWord("")
+    assert spChk.suggestWords("") == []
+    assert spChk.listDictionaries() == []
+    assert spChk.describeDict() == ("", "")
+
+    monkeypatch.undo()
+
+    # Load the proper enchant package
+    spChk = NWSpellEnchant()
+    spChk.mainConf = tmpConf
+    spChk.setLanguage("en", wList)
+
+    assert spChk.checkWord("a_word")
+    assert spChk.checkWord("b_word")
+    assert spChk.checkWord("c_word")
+    assert not spChk.checkWord("d_word")
+
+    spChk.addWord("d_word")
+    assert spChk.checkWord("d_word")
+
+    wSuggest = spChk.suggestWords("wrod")
+    assert len(wSuggest) > 0
+    assert "word" in wSuggest
+
+    dList = spChk.listDictionaries()
+    assert len(dList) > 0
+
+    aTag, aName = spChk.describeDict()
+    assert aTag == "en"
+    assert aName != ""
+
+# END Test testCoreSpell_Enchant
+
+@pytest.mark.core
+def testCoreSpell_Simple(monkeypatch, tmpDir, tmpConf):
+    """Test the fallback simple spell checker
+    """
+    wList = os.path.join(tmpDir, "wordlist.txt")
+    wDict = os.path.join(tmpDir, "en.dict")
+    writeFile(wList, "a_word\nb_word\nc_word\n")
+    writeFile(wDict, "# Comment\ne_word\nf_word\ng_word\n")
+
+    spChk = NWSpellSimple()
+    spChk.mainConf = tmpConf
+    spChk.mainConf.dictPath = tmpDir
+
+    # Load dictionary, but fail
+    monkeypatch.setattr("builtins.open", causeOSError)
+    spChk.setLanguage("en", wList)
+    assert spChk.spellLanguage is None
+    assert spChk.WORDS == spChk.projDict
+    monkeypatch.undo()
+
+    # Load dictionary properly
+    spChk.setLanguage("en", wList)
+    assert spChk.projDict == ["a_word", "b_word", "c_word"]
+    assert spChk.WORDS == ["e_word", "f_word", "g_word", "a_word", "b_word", "c_word"]
+
+    # Check words
+    assert spChk.checkWord("a_word")
+    assert spChk.checkWord("b_word")
+    assert spChk.checkWord("c_word")
+    assert not spChk.checkWord("d_word")
+    assert spChk.checkWord("e_word")
+    assert spChk.checkWord("f_word")
+    assert spChk.checkWord("g_word")
+
+    # Add word
+    spChk.addWord("d_word")
+    assert spChk.checkWord("d_word")
+
+    # Check spelling
+    assert spChk.suggestWords(" \t") == []
+
+    wSuggest = spChk.suggestWords("d_wrod")
+    assert len(wSuggest) > 0
+    assert "d_word" in wSuggest
+
+    # Break the matching
+    monkeypatch.setattr("difflib.get_close_matches", lambda *args, **kwargs: [""])
+    assert spChk.suggestWords("word") == []
+    monkeypatch.undo()
+
+    # Capitalisation
+    wSuggest = spChk.suggestWords("D_wrod")
+    assert len(wSuggest) > 0
+    assert "D_word" in wSuggest
+
+    # List dictionaries
+    assert spChk.listDictionaries() == [("en", "English [%s]" % nwConst.SP_INTERNAL)]
+
+    # Description
+    aTag, aName = spChk.describeDict()
+    assert aTag == "en"
+    assert aName == nwConst.SP_INTERNAL
+
+# END Test testCoreSpell_Simple

tests/tools.py

@@ -70,3 +70,15 @@ def getGuiItem(theName):
         if qWidget.objectName() == theName:
             return qWidget
     return None
+
+def readFile(fileName):
+    """Returns the content of a file as a string.
+    """
+    with open(fileName, mode="r", encoding="utf8") as inFile:
+        return inFile.read()
+
+def writeFile(fileName, fileData):
+    """Write the contents of a string to a file.
+    """
+    with open(fileName, mode="w", encoding="utf8") as outFile:
+        outFile.write(fileData)