Modify Tests in Tex (#4415)

archive/t/tex/fizz-buzz.tex

@@ -1,4 +1,8 @@
-%&pdftex
+% Source: https://rosettacode.org/wiki/String_append#Plain_TeX
+\def\addtomacro#1#2{\expandafter\def\expandafter#1\expandafter{#1#2}}
+
+\newwrite\out
+\immediate\openout\out=fizz-buzz.txt
 
 \countdef\counter=1
 \countdef\threecounter=2
@@ -9,22 +13,23 @@
 
 \loop
     \def\printnum{1}
+    \def\result{}
     \noindent
     \ifnum \threecounter>2
-        Fizz%
+        \addtomacro\result{Fizz}
         \threecounter=0
         \def\printnum{0}
     \fi
     \ifnum \fivecounter>4
-        Buzz%
+        \addtomacro\result{Buzz}
         \fivecounter=0
         \def\printnum{0}
     \fi
     \ifnum\printnum=1
         % print the counter variable
-        \the\counter%
+        \addtomacro\result{\the\counter}
     \fi
-    \hfil \break
+    \immediate\write\out{\result}
     \advance \counter 1
     \advance \threecounter 1
     \advance \fivecounter 1

archive/t/tex/hello-world.tex

@@ -1,4 +1,4 @@
-%&pdftex
-
-Hello, World!
+\newwrite\out
+\immediate\openout\out=hello-world.txt
+\immediate\write\out{Hello, World!}
 \end

archive/t/tex/testinfo.yml

@@ -4,21 +4,21 @@ folder:
 
 container:
   image: "rzuckerm/tex"
-  tag: "2019.20200218-1-1"
+  tag: "2025.01.25-1.17.0-2"
+  # sample program must write to a .txt file with same name -- e.g.,
+  # hello-world.tex writes to hello-world.txt
   # args.txt contains the command line arguments
   build: |
-    sh -c '(echo "#!/bin/sh"; \
-      echo "if [ \"\$#\" = 0 ];"; \
-      echo "then"; \
-      echo "    touch args.txt"; \
-      echo "else"; \
-      echo "    printf \"%s\\n\" \"\$@\" >args.txt"; \
-      echo "fi"; \
-      echo "if ! pdftex -halt-on-error -interaction=batchmode {{ source.name }}{{ source.extension }} >/dev/null"; \
-      echo "then"; \
-      echo "    cat {{ source.name }}.log"; \
-      echo "else"; \
-      echo "  pdf2html {{ source.name }}.pdf >{{ source.name }}.html && html2txt {{ source.name }}.html"; \
-      echo "fi" \
-      ) >{{ source.name }}'
-  cmd: "sh ./{{ source.name }}"
+    bash -c ' \
+      if [ "$#" = 0 ]; \
+      then \
+        touch args.txt; \
+      else \
+        printf "%s\n" "$@" >args.txt; \
+      fi; \
+      if ! luatex -halt-on-error -interactionmode=batch {{ source.name }}{{ source.extension }}; \
+      then \
+        cat {{ source.name }}.log; \
+        exit 1; \
+      fi'
+  cmd: "cat {{ source.name }}.txt"