#!/usr/bin/env fish
# Unit tests for nvm_cache.fish

source tests/test_runner.fish

function test_cache_basic_operations
    echo "Testing basic cache operations..."

    # Test set and get
    nvm_cache set test_key test_value
    set -l result (nvm_cache get "test_key")
    assert_equals "$result" test_value "Cache set and get works"

    # Test delete
    nvm_cache delete test_key
    nvm_cache get test_key
    set -l status_code $status
    test $status_code -ne 0
    and echo "✅ Cache delete works"
    or echo "❌ Cache delete failed"

    return 0
end

function test_cache_ttl
    echo "Testing cache TTL..."

    # Set with short TTL
    nvm_cache set ttl_key ttl_value

    # Should exist immediately
    set -l result (nvm_cache get "ttl_key" 10)
    assert_equals "$result" ttl_value "Cache value exists within TTL"

    # Mock expired cache by setting TTL to 0
    set -l result (nvm_cache get "ttl_key" 0)
    set -l status_code $status
    test $status_code -ne 0
    and echo "✅ Cache TTL expiration works"
    or echo "❌ Cache TTL expiration failed"

    return 0
end

function test_cache_stats
    echo "Testing cache stats..."

    # Clear cache first
    nvm_cache clear

    # Add some items
    nvm_cache set stats_key1 value1
    nvm_cache set stats_key2 value2

    # Get stats
    set -l stats (nvm_cache stats)
    assert_contains "$stats" "Cache files: 2" "Cache stats shows correct file count"

    return 0
end

function test_cache_key_generation
    echo "Testing cache key generation..."

    # Test directory-based key
    set -l key1 (_nvm_cache_key "test_file.txt")
    set -l key2 (_nvm_cache_key "test_file.txt")
    assert_equals "$key1" "$key2" "Same file generates same cache key"

    # Test different files generate different keys
    set -l key3 (_nvm_cache_key "different_file.txt")
    assert_not_equals "$key1" "$key3" "Different files generate different cache keys"

    return 0
end

function main
    setup_test_env

    set -l failed 0

    test_cache_basic_operations; or set failed (math "$failed + 1")
    test_cache_ttl; or set failed (math "$failed + 1")
    test_cache_stats; or set failed (math "$failed + 1")
    test_cache_key_generation; or set failed (math "$failed + 1")

    cleanup_test_env

    if test $failed -eq 0
        echo "🎉 All cache tests passed!"
        return 0
    else
        echo "💥 $failed cache test(s) failed"
        return 1
    end
end

main