From 9f07b36c4480a3e8e2a46906748bee28e7780f10 Mon Sep 17 00:00:00 2001
From: Egor Tensin <egor@tensin.name>
Date: Thu, 15 Oct 2026 21:01:48 +0500
Subject: test: add new tests, fix old ones

---
 test/lib/test.sh        |  7 +++----
 test/tst-fail.sh        |  6 ++----
 test/tst-filter.sh      | 23 +++++++++++++++++++++++
 test/tst-should-fail.sh | 16 ++++++++++++++++
 4 files changed, 44 insertions(+), 8 deletions(-)
 create mode 100644 test/tst-filter.sh
 create mode 100644 test/tst-should-fail.sh

diff --git a/test/lib/test.sh b/test/lib/test.sh
index 56920a2..7fca67b 100644
--- a/test/lib/test.sh
+++ b/test/lib/test.sh
@@ -1,5 +1,5 @@
 test_run_harness() {
-    "$tests_dir/../harness" -d "$test_root_dir" 2>&1
+    "$tests_dir/../harness" -d "$test_root_dir" "$@" 2>&1
 }
 
 test_check_harness_log() {
@@ -11,11 +11,10 @@ test_check_harness_log() {
     local output="$1"
     shift
 
-    log "Checking output log for a substring..."
-
     local str
     for str; do
-        if ! echo "$output" | grep -F $'\n'"$str"$'\n' > /dev/null; then
+        log "Checking output log for line: $str"
+        if ! echo "$output" | grep -F --line-regexp "$str" > /dev/null; then
             fail "Couldn't find the expected string: $str"
             return 1
         fi
diff --git a/test/tst-fail.sh b/test/tst-fail.sh
index 3c12ee3..8c60cf8 100644
--- a/test/tst-fail.sh
+++ b/test/tst-fail.sh
@@ -1,15 +1,13 @@
 test_run() {
     cat > "$test_root_dir/$test_file" <<'EOF'
-test_should_fail=1
-
 test_run() {
     log "I'm a failure"
     false
 }
 EOF
 
-    local output
-    output="$( test_run_harness )"
+    local output=
+    output="$( test_run_harness )" || true
 
     test_check_harness_log "$output" "$test_file | I'm a failure"
     test_check_harness_summary "$output" 0 1
diff --git a/test/tst-filter.sh b/test/tst-filter.sh
new file mode 100644
index 0000000..3707f6d
--- /dev/null
+++ b/test/tst-filter.sh
@@ -0,0 +1,23 @@
+test_run() {
+    local i
+    for i in 1 2 3; do
+        cat > "$test_root_dir/tst-$i.sh" <<EOF
+test_run() {
+    log "Hello from test #$i"
+}
+EOF
+    done
+
+    local output
+    output="$( test_run_harness )"
+
+    test_check_harness_log "$output" "tst-1.sh | Hello from test #1"
+    test_check_harness_log "$output" "tst-2.sh | Hello from test #2"
+    test_check_harness_log "$output" "tst-3.sh | Hello from test #3"
+    test_check_harness_summary "$output" 3 0
+
+    output="$( test_run_harness -f '*2*' )"
+
+    test_check_harness_log "$output" "tst-2.sh | Hello from test #2"
+    test_check_harness_summary "$output" 1 0
+}
diff --git a/test/tst-should-fail.sh b/test/tst-should-fail.sh
new file mode 100644
index 0000000..98d22f5
--- /dev/null
+++ b/test/tst-should-fail.sh
@@ -0,0 +1,16 @@
+test_run() {
+    cat > "$test_root_dir/$test_file" <<'EOF'
+test_should_fail=1
+
+test_run() {
+    log "I'm a failure"
+    false
+}
+EOF
+
+    local output
+    output="$( test_run_harness )"
+
+    test_check_harness_log "$output" "$test_file | I'm a failure"
+    test_check_harness_summary "$output" 1 0
+}
-- 
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