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WEEK-7/bats/student_tests.sh

+#!/usr/bin/env bats
+
+@test "Basic piping: ls | grep .c" {
+    run ./dsh <<EOF
+ls | grep .c
+EOF
+    [ "$status" -eq 0 ]
+}
+
+@test "Count words using wc -w" {
+    run ./dsh <<EOF
+echo "Hello World" | wc -w
+EOF
+    output_trimmed=$(echo "$output" | tr -cd '0-9') # Remove non-numeric characters
+    echo "DEBUG: Output was '$output_trimmed'"
+    [ "$output_trimmed" = "2" ]
+}
+
+
+@test "Invalid command in pipe" {
+    run ./dsh <<EOF
+ls | invalid_cmd
+EOF
+    echo "DEBUG: Output was '$output'"
+    [[ "$output" == *"error: command not found"* ]] || [[ "$output" == *"command not found"* ]]
+}
+
+
+@test "Multiple pipes working" {
+    run ./dsh <<EOF
+cat dshlib.c | grep "int" | wc -l
+EOF
+    [ "$status" -eq 0 ]
+}