Add first workikng version, with proper Makefile with "install" target

1 files changed, 337 insertions, 0 deletions

diff --git a/tests/heredoc.scm b/tests/heredoc.scm
new file mode 100644
index 0000000..a445ac1
--- /dev/null
+++ b/tests/heredoc.scm
@@ -0,0 +1,337 @@
+(use-modules
+  (heredoc)
+  ((srfi srfi-64) #:prefix t:))
+
+(eval-when (expand load eval)
+  (read-hash-extend #\" heredoc-reader))
+
+(define (test-extract-single-line-indentation)
+  (define extract-single-line-indentation
+    (@@ (heredoc) extract-single-line-indentation))
+  (t:test-group "extract-single-line-indentation"
+    (t:test-equal '(#nil #f 0)
+                  (extract-single-line-indentation
+                   '()))
+
+    (t:test-equal '(#nil #t 0)
+                  (extract-single-line-indentation
+                   '(#\a #\b #\c)))
+
+    (t:test-equal '(#\space #t 1)
+                  (extract-single-line-indentation
+                   '(#\space #\b #\c)))
+
+    (t:test-equal '(#\space #t 5)
+                  (extract-single-line-indentation
+                   '(#\space #\space #\space #\space #\space #\b #\c)))
+
+    (t:test-equal '(#\space #f 5)
+                  (extract-single-line-indentation
+                   '(#\space #\space #\space #\space #\space)))
+
+    (t:test-equal '(#\space #f 1)
+                  (extract-single-line-indentation
+                   '(#\space)))
+
+    (t:test-equal '(#\tab #t 3)
+                  (extract-single-line-indentation
+                   '(#\tab #\tab #\tab #\b #\c)))
+
+    (t:test-equal '(#\tab #f 3)
+                  (extract-single-line-indentation
+                   '(#\tab #\tab #\tab)))
+
+    (t:test-equal '(#\tab #f 1)
+                  (extract-single-line-indentation
+                   '(#\tab)))
+
+    (t:test-equal '(#\space #t 1)
+                  (extract-single-line-indentation
+                   '(#\space #\tab)))
+
+    (t:test-equal '(#\space #t 2)
+                  (extract-single-line-indentation
+                   '(#\space #\space #\tab #\space)))
+
+    (t:test-equal '(#\tab #t 3)
+                  (extract-single-line-indentation
+                   '(#\tab #\tab #\tab #\space)))
+
+    (t:test-equal '(#\tab #t 3)
+                  (extract-single-line-indentation
+                   '(#\tab #\tab #\tab #\a #\tab)))
+
+    (t:test-equal '(#\tab #t 3)
+                  (extract-single-line-indentation
+                   '(#\tab #\tab #\tab #\a #\space)))))
+
+(define (test-extract-line-indentations)
+  (define extract-line-indentations
+    (@@ (heredoc) extract-line-indentations))
+  (t:test-group "extract-line-indentations"
+    (t:test-equal '()
+                  (extract-line-indentations
+                   '()))
+
+    (t:test-equal '((#nil 0))
+                  (extract-line-indentations
+                   '("")))
+
+    (t:test-equal '((#nil 0) (#nil 0) (#nil 0))
+                  (extract-line-indentations
+                   '("" "" "")))
+
+    (t:test-equal '((#nil 0) (#nil 0) (#nil 0))
+                  (extract-line-indentations
+                   '("a" "b" "c")))
+
+    (t:test-equal '((#\space 1) (#\space 2) (#\space 3))
+                  (extract-line-indentations
+                   '(" " "  " "   ")))
+
+    (t:test-equal '((#\space 1) (#\tab 1) (#\space 3))
+                  (extract-line-indentations
+                   '(" " "	" "   ")))
+
+    (t:test-equal '((#nil 0) (#\space 3) (#\tab 2))
+                  (extract-line-indentations
+                   '("no spaces" "   with spaces" "		with tabs")))))
+
+(define (test-maximum-indentation)
+  (define maximum-indentation
+    (@@ (heredoc) maximum-indentation))
+  (t:test-group "maximum-indentation"
+    (t:test-equal 0
+                  (maximum-indentation
+                   '()))
+
+    (t:test-equal 0
+                  (maximum-indentation
+                   '("")))
+
+    (t:test-equal 0
+                  (maximum-indentation
+                   '("" "" "")))
+
+    (t:test-equal 0
+                  (maximum-indentation
+                   '("" " " "")))
+
+    (t:test-equal 1
+                  (maximum-indentation
+                   '(" " " " " ")))
+
+    (t:test-equal 2
+                  (maximum-indentation
+                   '("    a" "   b" "  c")))
+
+    (t:test-equal 1
+                  (maximum-indentation
+                   '("  space space" " 	space tab" "  	space space tab")))
+
+    (t:test-equal 0
+                  (maximum-indentation
+                   '("  space space" " 	space tab" "none")))))
+
+(define (test-trim-indentation)
+  (define trim-indentation
+    (@@ (heredoc) trim-indentation))
+  (t:test-group "trim-indentation"
+    (t:test-equal ""
+                  (trim-indentation ""))
+
+    (t:test-equal "alltogether"
+                  (trim-indentation "alltogether"))
+
+    (t:test-equal "with spaces between"
+                  (trim-indentation "with spaces between"))
+
+    (t:test-equal "with spaces around "
+                  (trim-indentation " with spaces around "))
+
+    (t:test-equal "with  multiple  spaces  "
+                  (trim-indentation "  with  multiple  spaces  "))
+
+    (t:test-equal "tabs	"
+                  (trim-indentation "		tabs	"))
+
+    (t:test-equal "tabs and spaces "
+                  (trim-indentation "		tabs and spaces "))
+
+    (t:test-equal "\n"
+                  (trim-indentation "\n"))
+
+    (t:test-equal "\n\n\nmultiple empty lines\n\n\n"
+                  (trim-indentation "\n\n\nmultiple empty lines\n\n\n"))
+
+    (t:test-equal "\n\nmixed\n indentations\n"
+                  (trim-indentation "\n\nmixed\n indentations\n"))
+
+    (t:test-equal "\n\n\n \n  lines with only spaces\n"
+                  (trim-indentation "\n\n  \n   \n    lines with only spaces\n"))
+
+    (t:test-equal "\n\n    mixed spaces\n	and tabs"
+                  (trim-indentation "\n\n    mixed spaces\n	and tabs"))
+
+    (t:test-equal "\nstripped\n  tabs"
+                  (trim-indentation "\n	stripped\n	  tabs"))
+
+    (t:test-equal "
+#!/bin/sh
+set -eu
+
+ret=0
+if cmd; then
+	echo 'Done!'
+	ret=1
+fi
+exit $ret
+"
+                    (trim-indentation "
+	#!/bin/sh
+	set -eu
+
+	ret=0
+	if cmd; then
+		echo 'Done!'
+		ret=1
+	fi
+	exit $ret
+"))))
+
+(define (test-non-quote-chars?)
+  (define non-quote-chars?
+    (@@ (heredoc) non-quote-chars?))
+  (t:test-group "non-quote-chars?"
+    (t:test-equal #f
+                  (non-quote-chars?
+                   '()))
+
+    (t:test-equal #f
+                  (non-quote-chars?
+                   '(#\")))
+
+    (t:test-equal #f
+                  (non-quote-chars?
+                   '(#\" #\" #\")))
+
+    (t:test-equal #t
+                  (non-quote-chars?
+                   '(#\" #\" #\-)))
+
+    (t:test-equal #t
+                  (non-quote-chars?
+                   '(#\a #\")))))
+
+(define (test-heredoc-reader)
+  (t:test-group "heredoc-reader"
+    (t:test-equal ""
+                  #""
+""#)
+
+    (t:test-equal "  "
+                  #""
+  ""#)
+
+    (t:test-equal "                    "
+                  #""
+                    ""#)
+
+    (t:test-equal ""
+                  #""-
+                    ""#)
+
+    (t:test-equal "                    some\n                    text"
+                  #""
+                    some
+                    text""#)
+
+    (t:test-equal "no trailing newline"
+                  #""-
+                    no trailing newline""#)
+
+    (t:test-equal "trailing newline\n"
+                  #""-
+                    trailing newline
+                    ""#)
+
+    (t:test-equal "some\ntext"
+                  #""-
+                    some
+                    text""#)
+
+    (t:test-equal "  indented\ntext"
+                  #""-
+                      indented
+                    text""#)
+
+    (t:test-equal "with\nnewline\n"
+                  #""-
+                      with
+                      newline
+                      ""#)
+
+    (t:test-equal "  unindented\n  newline\n"
+                  #""-
+                      unindented
+                      newline
+                    ""#)
+
+    (t:test-equal "single quote: \"inside\"\n"
+                  #"-
+                    single quote: "inside"
+                    "#)
+
+    (t:test-equal "multiple quotes: #\"\"\"inside\"\"\"#\n"
+                  #""""-
+                    multiple quotes: #"""inside"""#
+                    """"#)
+
+    (t:test-equal "                    indented"
+                  #"
+                    indented"#)
+
+    (t:test-equal "unindented"
+                  #""-
+                    unindented""#)
+
+    (t:test-equal "#!/bin/sh
+set -eu
+
+some-cmd
+echo \"$SOMETHING\"# here is a valid glued comment
+if cmd; then
+	echo 'Indentation here!'
+	echo \"\"# anothe valid comment, glued to an empty string
+fi
+"
+                  #"""-
+                    #!/bin/sh
+                    set -eu
+
+                    some-cmd
+                    echo "$SOMETHING"# here is a valid glued comment
+                    if cmd; then
+                    	echo 'Indentation here!'
+                    	echo ""# anothe valid comment, glued to an empty string
+                    fi
+                    """#)))
+
+(define test-fns
+  (list
+   test-extract-single-line-indentation
+   test-extract-line-indentations
+   test-maximum-indentation
+   test-trim-indentation
+   test-non-quote-chars?
+   test-heredoc-reader))
+
+(define (main)
+  (t:test-begin "heredoc")
+  (for-each (lambda (fn) (fn)) test-fns)
+  (let ((n-fail (t:test-runner-fail-count (t:test-runner-get))))
+    (t:test-end)
+    (when (not (= 0 n-fail))
+      (exit 1))))
+
+(main)