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test/parseconf: Refactor and simplify, stage 2

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Remove more duplicate code.
Eliminate some arguments.
Rewrite some comments.

Cleanup after 32451.
This commit is contained in:
teor 2019-11-13 17:12:30 +10:00
parent 39046019ec
commit a5628cf5b3
1 changed files with 117 additions and 85 deletions
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172
src/test/test_parseconf.sh
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@ -264,11 +264,10 @@ log_verify_config()
# Run "tor --dump-config short" on the torrc $1, and defaults torrc $2, which # Run "tor --dump-config short" on the torrc $1, and defaults torrc $2, which
# may be $EMPTY. Pass tor the extra command line arguments $3, which will be # may be $EMPTY. Pass tor the extra command line arguments $3, which will be
# passed unquoted. # passed unquoted. Send tor's standard output to $4.
# Send the standard output to $4. #
# If tor fails, fail_printf() using the file name $5, and context $6, # If tor fails, fail_printf() using the file name $5, and context $6,
# which may be an empty string. Then run "tor --verify-config", and log tor's # which may be an empty string. Then run log_verify_config().
# error messages to stderr.
dump_config() dump_config()
{ {
if test "$6"; then if test "$6"; then
@ -313,21 +312,21 @@ filter()
"$CONTEXT" "$CONTEXT"
} }
# Compare the input file $1, and output file $2. # Compare the expected file $1, and output file $2.
# #
# If they are different, fail. If this is the first step that failed in this # If they are different, fail. If this is the first step that failed in this
# test, run log_verify_config with torrc $3, defaults torrc $4, and command # test, run log_verify_config() with torrc $3, defaults torrc $4, and command
# line $5, to log Tor's error messages. Finally, log the differences between # line $5, to log Tor's error messages. Finally, log the differences between
# the files. # the files.
# #
# If the file contents are identical, returns true. Otherwise, return false. # If the file contents are identical, returns true. Otherwise, return false.
# #
# Log failure messages using fail_printf(), with the file name $6, and # Log failure messages using fail_printf(), with the expected file name, and
# context $7, which may be an empty string. # context $6, which may be an empty string.
check_diff() check_diff()
{ {
if test "$7"; then if test "$6"; then
CONTEXT=" $=7" CONTEXT=" $=6"
else else
CONTEXT="" CONTEXT=""
fi fi
@ -339,14 +338,14 @@ check_diff()
# show tor's logs # show tor's logs
if test -z "$NEXT_TEST"; then if test -z "$NEXT_TEST"; then
fail_printf "'%s': Tor said%s:" \ fail_printf "'%s': Tor said%s:" \
"$6" \ "$1" \
"$CONTEXT" "$CONTEXT"
log_verify_config "$3" \ log_verify_config "$3" \
"$4" \ "$4" \
"$5" "$5"
fi fi
fail_printf "'%s' did not match%s:" \ fail_printf "'%s' did not match%s:" \
"$6" \ "$1" \
"$CONTEXT" "$CONTEXT"
diff -u "$1" "$2" >&2 \ diff -u "$1" "$2" >&2 \
|| true || true
@ -354,6 +353,50 @@ check_diff()
fi fi
} }
# Run "tor --dump-config short" on the torrc $1, and defaults torrc $2, which
# may be $EMPTY. Pass tor the extra command line arguments $3, which will be
# passed unquoted. Send tor's standard output to $4, after running $FILTER
# on it.
#
# If tor fails, run log_verify_config().
#
# Compare the expected file $5, and output file. If they are different, fail.
# If this is the first step that failed in this test, run log_verify_config().
#
# If the file contents are identical, returns true. Otherwise, return false,
# and log the differences between the files.
#
# Log failure messages using fail_printf(), with the expected file name, and
# context $6, which may be an empty string.
check_dump_config()
{
OUTPUT="$4"
OUTPUT_RAW="${OUTPUT}_raw"
dump_config "$1" \
"$2" \
"$3" \
"$OUTPUT_RAW" \
"$5" \
"$6"
filter "$OUTPUT_RAW" \
"$OUTPUT" \
"$5" \
"$6"
if check_diff "$5" \
"$OUTPUT" \
"$1" \
"$2" \
"$3" \
"$5" \
"$6"; then
return "$TRUE"
else
return "$FALSE"
fi
}
# Check if $1 is an empty file. # Check if $1 is an empty file.
# If it is, fail_printf() using $2 as the type of file. # If it is, fail_printf() using $2 as the type of file.
# Returns true if the file is empty, false otherwise. # Returns true if the file is empty, false otherwise.
@ -371,8 +414,8 @@ check_empty_pattern()
# Run tor --verify-config on the torrc $1, and defaults torrc $2, which may # Run tor --verify-config on the torrc $1, and defaults torrc $2, which may
# be $EMPTY. Pass tor the extra command line arguments $3, which will be # be $EMPTY. Pass tor the extra command line arguments $3, which will be
# passed unquoted. # passed unquoted. Send tor's standard output to $4.
# Send tor's standard output to $4. #
# If tor's exit status does not match the boolean $5, fail_printf() # If tor's exit status does not match the boolean $5, fail_printf()
# using the file name $6, and context $7, which is required. # using the file name $6, and context $7, which is required.
verify_config() verify_config()
@ -394,14 +437,15 @@ verify_config()
fi fi
} }
# Check for the pattern in file $1, in the lines in the output file $2. # Check for the patterns in the match file $1, in the output file $2.
# Uses grep with the entire contents of $1 as the pattern. (Not "grep -f".) # Uses grep with the entire contents of the match file as the pattern.
# (Not "grep -f".)
# #
# If the pattern does not match any lines in the output file, fail. # If the pattern does not match any lines in the output file, fail.
# Log the pattern, and the entire contents of the output file. # Log the pattern, and the entire contents of the output file.
# #
# Log failure messages using fail_printf(), with the file name $1, and # Log failure messages using fail_printf(), with the match file name,
# context $3, which is required. # and context $3, which is required.
check_pattern() check_pattern()
{ {
expect_log="$(cat "$1")" expect_log="$(cat "$1")"
@ -414,6 +458,40 @@ check_pattern()
fi fi
} }
# Run tor --verify-config on the torrc $1, and defaults torrc $2, which may
# be $EMPTY. Pass tor the extra command line arguments $3, which will be
# passed unquoted. Send tor's standard output to $4.
#
# If tor's exit status does not match the boolean $5, fail.
#
# Check for the patterns in the match file $6, in the output file.
# Uses grep with the entire contents of the match file as the pattern.
# (Not "grep -f".) The match file must not be empty.
#
# If the pattern does not match any lines in the output file, fail.
# Log the pattern, and the entire contents of the output file.
#
# Log failure messages using fail_printf(), with the match file name,
# and context $7, which is required.
check_verify_config()
{
if check_empty_pattern "$6" "$7"; then
return
fi
verify_config "$1" \
"$2" \
"$3" \
"$4" \
"$5" \
"$6" \
"$7"
check_pattern "$6" \
"$4" \
"$7"
}
for dir in "${EXAMPLEDIR}"/*; do for dir in "${EXAMPLEDIR}"/*; do
NEXT_TEST= NEXT_TEST=
@ -489,89 +567,43 @@ for dir in "${EXAMPLEDIR}"/*; do
elif test -f "$EXPECTED"; then elif test -f "$EXPECTED"; then
# This case should succeed: run dump-config and see if it does. # This case should succeed: run dump-config and see if it does.
if test -f "$EXPECTED_LOG"; then if check_dump_config "./torrc" \
if check_empty_pattern "$EXPECTED_LOG" "Expected log"; then
continue
fi
fi
dump_config "./torrc" \
"$DEFAULTS" \ "$DEFAULTS" \
"$CMDLINE" \ "$CMDLINE" \
"${DATA_DIR}/output_raw.${testname}" \
"$EXPECTED" \
""
filter "${DATA_DIR}/output_raw.${testname}" \
"${DATA_DIR}/output.${testname}" \ "${DATA_DIR}/output.${testname}" \
"$EXPECTED" \ "$EXPECTED" \
""
if check_diff "$EXPECTED" \
"${DATA_DIR}/output.${testname}" \
"./torrc" \
"$DEFAULTS" \
"$CMDLINE" \
"$EXPECTED" \
""; then ""; then
# Check round-trip. # Check round-trip.
dump_config "${DATA_DIR}/output.${testname}" \ check_dump_config "${DATA_DIR}/output.${testname}" \
"$EMPTY" \ "$EMPTY" \
"" \ "" \
"${DATA_DIR}/output_2_raw.${testname}" \
"$EXPECTED" \
"on round-trip"
filter "${DATA_DIR}/output_2_raw.${testname}" \
"${DATA_DIR}/output_2.${testname}" \ "${DATA_DIR}/output_2.${testname}" \
"$EXPECTED" \ "$EXPECTED" \
"on round-trip"
check_diff "${DATA_DIR}/output.${testname}" \
"${DATA_DIR}/output_2.${testname}" \
"${DATA_DIR}/output.${testname}" \
"$EMPTY" \
"" \
"$EXPECTED" \
"on round-trip" || true "on round-trip" || true
fi fi
if test -f "$EXPECTED_LOG"; then if test -f "$EXPECTED_LOG"; then
# This case should succeed: run verify-config and see if it does. # This case should succeed: run verify-config and see if it does.
verify_config "./torrc" \ check_verify_config "./torrc" \
"$DEFAULTS" \ "$DEFAULTS" \
"$CMDLINE" \ "$CMDLINE" \
"${DATA_DIR}/output_log.${testname}" \ "${DATA_DIR}/output_log.${testname}" \
"$TRUE" \ "$TRUE" \
"$EXPECTED_LOG" \ "$EXPECTED_LOG" \
"succeed" "log ok"
check_pattern "$EXPECTED_LOG" \
"${DATA_DIR}/output_log.${testname}" \
"log"
fi fi
elif test -f "$ERROR"; then elif test -f "$ERROR"; then
# This case should fail: run verify-config and see if it does. # This case should fail: run verify-config and see if it does.
if ! test -s "$ERROR"; then check_verify_config "./torrc" \
if check_empty_pattern "$ERROR" "Error"; then
continue
fi
fi
verify_config "./torrc" \
"$DEFAULTS" \ "$DEFAULTS" \
"$CMDLINE" \ "$CMDLINE" \
"${DATA_DIR}/output.${testname}" \ "${DATA_DIR}/output.${testname}" \
"$FALSE" \ "$FALSE" \
"$ERROR" \ "$ERROR" \
"report an error" "log error"
check_pattern "$ERROR" \
"${DATA_DIR}/output.${testname}" \
"error"
else else
# This case is not actually configured with a success or a failure. # This case is not actually configured with a success or a failure.
# call that an error. # call that an error.