Add tests for bash scripts

scripts/tests/test_extract_successful_ids.bats

@@ -0,0 +1,38 @@
+setup() {
+    load ./test_helper/bats-support/load
+    load ./test_helper/bats-assert/load
+}
+
+teardown() {
+    rm -f successful.txt
+}
+
+@test "success downloaded submission" {
+    run ../extract_successful_ids.sh ./example_logfiles/succeed_downloaded_submission.txt
+    assert [ "$( wc -l 'successful.txt' | awk '{ print $1 }' )" -eq "7" ];
+    assert [ "$( grep -Ecv '\w{6,7}' 'successful.txt' )" -eq "0" ];
+}
+
+@test "success resource hash" {
+    run ../extract_successful_ids.sh ./example_logfiles/succeed_resource_hash.txt
+    assert [ "$( wc -l 'successful.txt' | awk '{ print $1 }' )" -eq "1" ];
+    assert [ "$( grep -Ecv '\w{6,7}' 'successful.txt' )" -eq "0" ];
+}
+
+@test "success download filter" {
+    run ../extract_successful_ids.sh ./example_logfiles/succeed_download_filter.txt
+    assert [ "$( wc -l 'successful.txt' | awk '{ print $1 }' )" -eq "3" ];
+    assert [ "$( grep -Ecv '\w{6,7}' 'successful.txt' )" -eq "0" ];
+}
+
+@test "success already exists" {
+    run ../extract_successful_ids.sh ./example_logfiles/succeed_already_exists.txt
+    assert [ "$( wc -l 'successful.txt' | awk '{ print $1 }' )" -eq "3" ];
+    assert [ "$( grep -Ecv '\w{6,7}' 'successful.txt' )" -eq "0" ];
+}
+
+@test "success hard link" {
+    run ../extract_successful_ids.sh ./example_logfiles/succeed_hard_link.txt
+    assert [ "$( wc -l 'successful.txt' | awk '{ print $1 }' )" -eq "1" ];
+    assert [ "$( grep -Ecv '\w{6,7}' 'successful.txt' )" -eq "0" ];
+}