Use text/javascript

MIME type `application/javascript` is obsolete and has long been replaced with `text/javascript`.
Now using it where we input it (in tests).

Also accounting for both in tests involving filesystem as tests can be run on a version
of libmagic that returns the obsolete version.

Author: rgaudin

tests/zim/conftest.py

@@ -63,7 +63,6 @@ def build_data(tmp_path, png_image):
 @pytest.fixture(scope="function")
 def counters():
     return {
-        "application/javascript": 8,
         "text/html": 3,
         "application/warc-headers": 28364,
         "text/html;raw=true": 6336,

tests/zim/test_fs.py

@@ -81,7 +81,10 @@ def test_make_zim_file_working(build_data, png_image):
     assert reader.entry_count == 8  # includes redirect
 
     assert reader.get_item("style.css").mimetype == "text/css"
-    assert reader.get_item("app.js").mimetype == "application/javascript"
+    assert reader.get_item("app.js").mimetype in (
+        "text/javascript",
+        "application/javascript",
+    )
     assert reader.get_suggestions_count("bienvenue") == 0
     assert reader.get_suggestions_count("coucou") == 1
     assert "welcome" in list(reader.get_suggestions("coucou"))

tests/zim/test_libkiwix.py

@@ -13,16 +13,14 @@
 
 
 def test_geline_nodelim():
-    string = "application/javascript=8;text/html=3;application/warc-headers=28364;"
+    string = "text/javascript=8;text/html=3;application/warc-headers=28364;"
     ins = io.StringIO(string)
     assert getline(ins) == (True, string)
 
 
 def test_getline():
-    ins = io.StringIO(
-        "application/javascript=8;text/html=3;application/warc-headers=28364;"
-    )
-    assert getline(ins, ";") == (False, "application/javascript=8")
+    ins = io.StringIO("text/javascript=8;text/html=3;application/warc-headers=28364;")
+    assert getline(ins, ";") == (False, "text/javascript=8")
     assert getline(ins, ";") == (False, "text/html=3")
     assert getline(ins, ";") == (False, "application/warc-headers=28364")
     assert getline(ins, ";") == (True, "")
@@ -40,14 +38,13 @@ def test_getline():
             {"foo": 1, "text/html;raw=true": 50, "bar": 2},
         ),
         (
-            "application/javascript=8;text/html=3;application/warc-headers=28364;"
+            "text/html=3;application/warc-headers=28364;"
             "text/html;raw=true=6336;text/css=47;text/javascript=98;image/png=968;"
             "image/webp=24;application/json=3694;image/gif=10274;image/jpeg=1582;"
             "font/woff2=25;text/plain=284;application/atom+xml=247;"
             "application/x-www-form-urlencoded=9;video/mp4=9;"
             "application/x-javascript=7;application/xml=1;image/svg+xml=5",
             {
-                "application/javascript": 8,
                 "text/html": 3,
                 "application/warc-headers": 28364,
                 "text/html;raw=true": 6336,