Extract a test list from flutter drive log file

extract-test-list.sh

#!/bin/bash

# extract the test list from flutter drive log and creates a file with [E] marking the failed ones
file="flutter-drive.log"

# get lines containing test titles (assuming they all contain a "TESTKEY-" string and titles are unique)
grep "^I/flutter .*TESTKEY-" "$file" > test-list
# remove extra lines related to failures
grep -v "The test description was:" test-list > tmpfile && mv tmpfile test-list
# get lines with skipped tests
awk '/~/ {print}' test-list > skip-list
# get column where skipped counter is
column=$(awk 'NR==1{ for (i=1; i<=NF; ++i) { if ($i ~ "~") { print i } } }' skip-list)
# remove colon if any
awk -v column="$column" '{gsub(/:/," :",$column)}1' skip-list > tmpskip && mv tmpskip skip-list
# extract only lines where skipped counter is increased
awk -v column="$column" '!skipped[$column]++' skip-list > tmpskip && mv tmpskip skip-list
# get only test titles in the skip-list file
cut -d ":" -f 4- skip-list > tmpskip && mv tmpskip skip-list
# remove heading space in skip-list file
sed 's/ //' skip-list > tmpskip && mv tmpskip skip-list

# get only test titles in the test-list file
cut -d ":" -f 4- test-list > tmpfile && mv tmpfile test-list
# remove heading space in test-list file
sed 's/ //' test-list > tmpfile && mv tmpfile test-list
# remove duplicate lines which flutter adds sometimes
cat -n test-list | sort -uk2 | sort -nk1 | cut -f2- > tmpfile && mv tmpfile test-list
# remove tests before the lines where skipped counter was incremented
while read -r line; do
    awk -v line="$line" '$0 == line {for(x=NR-1;x<NR;x++)d[x];}{a[NR]=$0}END{for(i=1;i<=NR;i++)if(!(i in d))print a[i]}' test-list > tmpfile && mv tmpfile test-list
done < skip-list
# remove duplicate lines for failing tests (leave only the [E] ones)
awk '/\[E\]/{for(x=NR-1;x<NR;x++)d[x];}{a[NR]=$0}END{for(i=1;i<=NR;i++)if(!(i in d))print a[i]}' test-list > tmpfile && mv tmpfile test-list