initial commit

Signed-off-by: Jason Hall <jason@chainguard.dev>

examples/sample-cli/testdata/basic_functionality.txt

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+# Test basic sample-cli functionality
+
+# Test help output
+exec ./sample-cli --help
+stdout ".*sample CLI tool.*"
+
+# Test version
+exec ./sample-cli --version
+stdout "sample-cli 1.0"
+
+# Test no command shows info
+exec ./sample-cli
+stdout ".*demonstration CLI tool.*"
+stdout ".*--help.*"
+
+-- test_file.txt --
+Hello world
+This is line two
+Line three here

examples/sample-cli/testdata/count_commands.txt

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+# Test count functionality
+
+# Count lines in a file
+exec ./sample-cli count test_file.txt
+stdout "test_file.txt: 3"
+
+# Count words
+exec ./sample-cli count --mode words test_file.txt
+stdout "test_file.txt: 9"
+
+# Count characters
+exec ./sample-cli count --mode chars test_file.txt
+stdout "test_file.txt: 44"
+
+# Test multiple files
+exec ./sample-cli count file1.txt file2.txt
+stdout "file1.txt: 2"
+stdout "file2.txt: 1"
+
+# Test error on missing file
+! exec ./sample-cli count nonexistent.txt
+stderr ".*No such file.*"
+
+-- test_file.txt --
+Hello world
+This is line two
+Line three here
+
+-- file1.txt --
+First file
+Second line
+
+-- file2.txt --
+Single line file

examples/sample-cli/testdata/file_operations.txt

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+# Test file creation and removal
+
+# Create a file with content
+exec ./sample-cli create newfile.txt --content "Hello from CLI"
+stdout "Created file: newfile.txt"
+exists newfile.txt
+exec cat newfile.txt
+stdout "Hello from CLI"
+
+# Create empty file
+exec ./sample-cli create empty.txt
+exists empty.txt
+exec ./sample-cli count --mode chars empty.txt
+stdout "empty.txt: 0"
+
+# Remove files
+exec ./sample-cli remove newfile.txt empty.txt
+stdout "Removed: newfile.txt"
+stdout "Removed: empty.txt"
+! exists newfile.txt
+! exists empty.txt
+
+# Try to remove non-existent file
+exec ./sample-cli remove nonexistent.txt
+stderr "File not found: nonexistent.txt"

examples/sample-cli/testdata/grep_functionality.txt

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+# Test grep functionality
+
+# Basic grep
+exec ./sample-cli grep "world" test_file.txt
+stdout "test_file.txt:1: Hello world"
+
+# Case insensitive grep
+exec ./sample-cli grep --ignore-case "HELLO" test_file.txt
+stdout "test_file.txt:1: Hello world"
+
+# Multiple files
+exec ./sample-cli grep "file" file1.txt file2.txt
+stdout "file1.txt:1: First file"
+stdout "file2.txt:1: Single line file"
+
+# No matches
+exec ./sample-cli grep "xyz" test_file.txt
+! stdout "xyz"
+
+-- test_file.txt --
+Hello world
+This is line two
+Line three here
+
+-- file1.txt --
+First file
+Second line
+
+-- file2.txt --
+Single line file

examples/sample-cli/testdata/list_directory.txt

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+# Test directory listing
+
+# Create some files and directories first
+mkdir test_dir
+exec ./sample-cli create test_dir/nested_file.txt --content "nested"
+
+# List current directory
+exec ./sample-cli list
+stdout "FILE.*existing_file.txt"
+stdout "DIR.*test_dir"
+
+# List specific directory
+exec ./sample-cli list test_dir
+stdout "FILE.*nested_file.txt"
+
+-- existing_file.txt --
+This file exists

examples/sample-cli/testdata/simple_working_test.txt

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+# Simple test that definitely works
+exec ./sample-cli --version
+stdout "sample-cli 1.0"