aethershell 0.3.1

The world's first multi-agent shell with typed functional pipelines and multi-modal AI
Documentation 
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# ============================================
# BUILTINS COVERAGE TEST: String Operations (34-42)
# Tests: split, join, trim, upper, lower, replace, contains, starts_with, ends_with
# ============================================

print("=== TESTING STRING BUILTINS (34-42) ===\n")

# --------------------------------------------
# 34. split - Split string into array
# --------------------------------------------
print("34. Testing split()...")
split_result = split("a,b,c", ",")
match len(split_result) {
    3 => print("  ✓ split('a,b,c', ',') has 3 elements"),
    _ => print("  ✗ FAILED: split length")
}

split_spaces = split("hello world foo", " ")
match len(split_spaces) {
    3 => print("  ✓ split by space works"),
    _ => print("  ✗ FAILED: split by space")
}

# --------------------------------------------
# 35. join - Join array into string
# --------------------------------------------
print("\n35. Testing join()...")
join_result = join(["a", "b", "c"], "-")
match join_result {
    "a-b-c" => print("  ✓ join(['a','b','c'], '-') = 'a-b-c'"),
    _ => print("  ✗ FAILED: join result: ${join_result}")
}

join_empty = join([], ",")
match join_empty {
    "" => print("  ✓ join([]) returns empty string"),
    _ => print("  ✗ FAILED: join empty")
}

# --------------------------------------------
# 36. trim - Remove whitespace
# --------------------------------------------
print("\n36. Testing trim()...")
trim_result = trim("  hello  ")
match trim_result {
    "hello" => print("  ✓ trim('  hello  ') = 'hello'"),
    _ => print("  ✗ FAILED: trim result: ${trim_result}")
}

trim_tabs = trim("\thello\n")
match trim_tabs {
    "hello" => print("  ✓ trim with tabs/newlines works"),
    _ => print("  ✗ FAILED: trim tabs")
}

# --------------------------------------------
# 37. upper - Convert to uppercase
# --------------------------------------------
print("\n37. Testing upper()...")
upper_result = upper("hello")
match upper_result {
    "HELLO" => print("  ✓ upper('hello') = 'HELLO'"),
    _ => print("  ✗ FAILED: upper result: ${upper_result}")
}

upper_mixed = upper("Hello World 123")
match upper_mixed {
    "HELLO WORLD 123" => print("  ✓ upper preserves numbers"),
    _ => print("  ✗ FAILED: upper mixed")
}

# --------------------------------------------
# 38. lower - Convert to lowercase
# --------------------------------------------
print("\n38. Testing lower()...")
lower_result = lower("HELLO")
match lower_result {
    "hello" => print("  ✓ lower('HELLO') = 'hello'"),
    _ => print("  ✗ FAILED: lower result: ${lower_result}")
}

lower_mixed = lower("Hello World 123")
match lower_mixed {
    "hello world 123" => print("  ✓ lower preserves numbers"),
    _ => print("  ✗ FAILED: lower mixed")
}

# --------------------------------------------
# 39. replace - Replace substring
# --------------------------------------------
print("\n39. Testing replace()...")
replace_result = replace("hello world", "world", "universe")
match replace_result {
    "hello universe" => print("  ✓ replace works"),
    _ => print("  ✗ FAILED: replace result: ${replace_result}")
}

replace_multi = replace("aaa", "a", "b")
match replace_multi {
    "bbb" => print("  ✓ replace handles multiple occurrences"),
    _ => print("  ✗ FAILED: replace multi: ${replace_multi}")
}

# --------------------------------------------
# 40. contains - Check substring
# --------------------------------------------
print("\n40. Testing contains()...")
contains_true = contains("hello world", "world")
match contains_true {
    true => print("  ✓ contains('hello world', 'world') = true"),
    false => print("  ✗ FAILED: contains true case")
}

contains_false = contains("hello world", "foo")
match contains_false {
    false => print("  ✓ contains('hello world', 'foo') = false"),
    true => print("  ✗ FAILED: contains false case")
}

# --------------------------------------------
# 41. starts_with - Check prefix
# --------------------------------------------
print("\n41. Testing starts_with()...")
starts_true = starts_with("hello world", "hello")
match starts_true {
    true => print("  ✓ starts_with('hello world', 'hello') = true"),
    false => print("  ✗ FAILED: starts_with true")
}

starts_false = starts_with("hello world", "world")
match starts_false {
    false => print("  ✓ starts_with('hello world', 'world') = false"),
    true => print("  ✗ FAILED: starts_with false")
}

# --------------------------------------------
# 42. ends_with - Check suffix
# --------------------------------------------
print("\n42. Testing ends_with()...")
ends_true = ends_with("hello world", "world")
match ends_true {
    true => print("  ✓ ends_with('hello world', 'world') = true"),
    false => print("  ✗ FAILED: ends_with true")
}

ends_false = ends_with("hello world", "hello")
match ends_false {
    false => print("  ✓ ends_with('hello world', 'hello') = false"),
    true => print("  ✗ FAILED: ends_with false")
}

print("\n=== STRING BUILTINS TESTS COMPLETE ===")