FourierTransformer · FourierTransformer · Dec 24, 2025 · Jan 29, 2026 · Jan 29, 2026 · Jan 29, 2026
diff --git a/.github/workflows/test-and-coverage.yml b/.github/workflows/test-and-coverage.yml
@@ -11,6 +11,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         lua: [lua=5.1, lua=5.2, lua=5.3, lua=5.4, luajit=@v2.0, luajit=@v2.1]
     steps:
@@ -19,6 +20,13 @@ jobs:
     - name: Install libreadline
       run: sudo apt-get install -y libreadline-dev
 
+    - name: Cache Restore
+      uses: actions/cache/restore@v5
+      with:
+        path: |
+          lua_install
+        key: ${{ matrix.lua }}-lua_install
+
     - name: Install Lua (${{ matrix.lua }})
       run: |
         pip install git+https://github.com/luarocks/hererocks
@@ -27,14 +35,20 @@ jobs:
 
     - name: Install depedencies
       run: |
-        luarocks install busted
+        luarocks install tested
         luarocks install lua-cjson
-        luarocks install luacov
         luarocks install luacov-coveralls
 
     - name: Run unit tests with coverage
-      run: busted --verbose --coverage
-
+      run: tested -c
+
+    - name: Save Cache
+      uses: actions/cache/save@v5
+      with:
+        path: |
+          lua_install
+        key: ${{ matrix.lua }}-lua_install
+
     - name: Report test coverage
       if: success()
       continue-on-error: true

diff --git a/tests/bad_csvs/empty_file.csv b/tests/bad_csvs/empty_file.csv
diff --git a/tests/bad_csvs/empty_file_newline.csv b/tests/bad_csvs/empty_file_newline.csv
@@ -0,0 +1 @@
+
diff --git a/tests/bad_csvs/empty_header.csv b/tests/bad_csvs/empty_header.csv
@@ -0,0 +1,2 @@
+a,b,
+herp,derp
diff --git a/tests/bad_csvs/too_few_cols.csv b/tests/bad_csvs/too_few_cols.csv
@@ -0,0 +1,3 @@
+a,b,c
+failing,hard
+man,oh,well...
diff --git a/tests/bad_csvs/too_few_cols_end.csv b/tests/bad_csvs/too_few_cols_end.csv
@@ -0,0 +1,3 @@
+a,b,c
+man,oh,well...
+failing,hard
diff --git a/tests/bad_csvs/too_many_cols.csv b/tests/bad_csvs/too_many_cols.csv
@@ -0,0 +1,3 @@
+a,b,c
+no,one,knows
+what,am,i,doing?
diff --git a/tests/csvs/bom-os9.csv b/tests/csvs/bom-os9.csv
@@ -0,0 +1 @@
+a,b,c1,2,34,5,ʤ

diff --git a/tests/csvs/comma_in_quotes.csv b/tests/csvs/comma_in_quotes.csv
@@ -0,0 +1,2 @@
+first,last,address,city,zip
+John,Doe,120 any st.,"Anytown, WW",08123
diff --git a/tests/csvs/correctness.csv b/tests/csvs/correctness.csv
@@ -0,0 +1,7 @@
+Year,Make,Model,Description,Price
+1997,Ford,E350,"ac, abs, moon",3000.00
+1999,Chevy,"Venture ""Extended Edition""","",4900.00
+1996,Jeep,Grand Cherokee,"MUST SELL!
+air, moon roof, loaded",4799.00
+1999,Chevy,"Venture ""Extended Edition, Very Large""",,5000.00
+,,"Venture ""Extended Edition""","",4900.00
diff --git a/tests/csvs/empty.csv b/tests/csvs/empty.csv
@@ -0,0 +1,3 @@
+a,b,c
+1,"",""
+2,3,4
diff --git a/tests/csvs/empty_crlf.csv b/tests/csvs/empty_crlf.csv
@@ -0,0 +1,3 @@
+a,b,c
+1,"",""
+2,3,4
diff --git a/tests/csvs/empty_no_newline.csv b/tests/csvs/empty_no_newline.csv
@@ -0,0 +1,2 @@
+a,b,c
+1,"",""
diff --git a/tests/csvs/empty_no_quotes.csv b/tests/csvs/empty_no_quotes.csv
@@ -0,0 +1,2 @@
+a,b,c
+1,,
diff --git a/tests/csvs/escaped_quotes.csv b/tests/csvs/escaped_quotes.csv
@@ -0,0 +1,3 @@
+a,b
+1,"ha ""ha"" ha"
+3,4
diff --git a/tests/csvs/escaped_quotes_in_header.csv b/tests/csvs/escaped_quotes_in_header.csv
@@ -0,0 +1,3 @@
+"li""on",tiger,"be""ar"
+1,2,3
+5,6,7
diff --git a/tests/csvs/json.csv b/tests/csvs/json.csv
@@ -0,0 +1,2 @@
+key,val
+1,"{""type"": ""Point"", ""coordinates"": [102.0, 0.5]}"
diff --git a/tests/csvs/json_no_newline.csv b/tests/csvs/json_no_newline.csv
@@ -0,0 +1,2 @@
+key,val
+1,"{""type"": ""Point"", ""coordinates"": [102.0, 0.5]}"
diff --git a/tests/csvs/missing_keys.csv b/tests/csvs/missing_keys.csv
@@ -0,0 +1,4 @@
+a,b,c
+1,2,3
+10,20,
+100,,300
diff --git a/tests/csvs/newlines.csv b/tests/csvs/newlines.csv
@@ -0,0 +1,5 @@
+a,b,c
+1,2,3
+"Once upon 
+a time",5,6
+7,8,9
diff --git a/tests/csvs/newlines_crlf.csv b/tests/csvs/newlines_crlf.csv
@@ -0,0 +1,5 @@
+a,b,c
+1,2,3
+"Once upon 
+a time",5,6
+7,8,9
diff --git a/tests/csvs/os9.csv b/tests/csvs/os9.csv
@@ -0,0 +1 @@
+a,b,c1,2,34,5,ʤ

diff --git a/tests/csvs/quotes_and_newlines.csv b/tests/csvs/quotes_and_newlines.csv
@@ -0,0 +1,5 @@
+a,b
+1,"ha 
+""ha"" 
+ha"
+3,4
diff --git a/tests/csvs/quotes_non_escaped.csv b/tests/csvs/quotes_non_escaped.csv
@@ -0,0 +1,2 @@
+"Country","City","AccentCity","Region"
+af,dekh"iykh'ya,Dekh"iykh'ya,13
diff --git a/tests/csvs/simple.csv b/tests/csvs/simple.csv
@@ -0,0 +1,2 @@
+a,b,c
+1,2,3
diff --git a/tests/csvs/simple_crlf.csv b/tests/csvs/simple_crlf.csv
@@ -0,0 +1,2 @@
+a,b,c
+1,2,3
diff --git a/tests/csvs/utf8.csv b/tests/csvs/utf8.csv
@@ -0,0 +1,3 @@
+a,b,c
+1,2,3
+4,5,ʤ
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		first,last,address,city,zip
		John,Doe,120 any st.,"Anytown, WW",08123
-Original file line number
+Diff line change
@@ -0,0 +1,3 @@
+    a,b,c
+,"",""
+,3,4
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		key,val
		1,"{""type"": ""Point"", ""coordinates"": [102.0, 0.5]}"
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		"Country","City","AccentCity","Region"
		af,dekh"iykh'ya,Dekh"iykh'ya,13