mirror of
https://github.com/cpm-cmake/CPM.cmake.git
synced 2025-11-24 13:18:07 -05:00
94 lines
3.9 KiB
CMake
94 lines
3.9 KiB
CMake
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cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
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include(${CPM_PATH}/CPM.cmake)
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include(${CPM_PATH}/testing.cmake)
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# Random suffix
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string(
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RANDOM
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LENGTH 6
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ALPHABET "0123456789abcdef" tmpdir_suffix
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)
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# Seconds since epoch
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string(TIMESTAMP tmpdir_base "%s" UTC)
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set(tmp "${CMAKE_CURRENT_BINARY_DIR}/get_shortest_hash-${tmpdir_base}-${tmpdir_suffix}")
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if(IS_DIRECTORY ${tmp})
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message(FATAL_ERROR "Test directory ${tmp} already exists")
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endif()
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file(MAKE_DIRECTORY "${tmp}")
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# 1. Sanity check: none of these directories should exist yet
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assert_not_exists(${tmp}/cccb.hash)
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assert_not_exists(${tmp}/cccb77ae.hash)
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assert_not_exists(${tmp}/cccb77ae9609.hash)
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assert_not_exists(${tmp}/cccb77ae9608.hash)
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assert_not_exists(${tmp}/cccb77be.hash)
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# 1. The directory is empty, so it should get a 4-character hash
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cpm_get_shortest_hash(${tmp} "cccb77ae9609d2768ed80dd42cec54f77b1f1455" hash)
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assert_equal(${hash} "cccb")
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assert_contents_equal(${tmp}/cccb.hash cccb77ae9609d2768ed80dd42cec54f77b1f1455)
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# 1. Calling the function with a new hash that differs subtly should result in more characters being
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# used, enough to uniquely identify the hash
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cpm_get_shortest_hash(${tmp} "cccb77ae9609d2768ed80dd42cec54f77b1f1456" hash)
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assert_equal(${hash} "cccb77ae")
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assert_contents_equal(${tmp}/cccb77ae.hash cccb77ae9609d2768ed80dd42cec54f77b1f1456)
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cpm_get_shortest_hash(${tmp} "cccb77ae9609d2768ed80dd42cec54f77b1f1457" hash)
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assert_equal(${hash} "cccb77ae9609")
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assert_contents_equal(${tmp}/cccb77ae9609.hash cccb77ae9609d2768ed80dd42cec54f77b1f1457)
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cpm_get_shortest_hash(${tmp} "cccb77ae9608d2768ed80dd42cec54f77b1f1455" hash)
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assert_equal(${hash} "cccb77ae9608")
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assert_contents_equal(${tmp}/cccb77ae9608.hash cccb77ae9608d2768ed80dd42cec54f77b1f1455)
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cpm_get_shortest_hash(${tmp} "cccb77be9609d2768ed80dd42cec54f77b1f1456" hash)
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assert_equal(${hash} "cccb77be")
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assert_contents_equal(${tmp}/cccb77be.hash cccb77be9609d2768ed80dd42cec54f77b1f1456)
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# check that legacy hashs are recognized
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file(MAKE_DIRECTORY "${tmp}/cccb77be9609d2768ed80dd42cec54f77b1f1457")
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cpm_get_shortest_hash(${tmp} "cccb77be9609d2768ed80dd42cec54f77b1f1457" hash)
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assert_equal(${hash} "cccb77be9609d2768ed80dd42cec54f77b1f1457")
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# 1. The old file should still exist, and have the same content
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assert_contents_equal(${tmp}/cccb.hash cccb77ae9609d2768ed80dd42cec54f77b1f1455)
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assert_contents_equal(${tmp}/cccb77ae.hash cccb77ae9609d2768ed80dd42cec54f77b1f1456)
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assert_contents_equal(${tmp}/cccb77ae9609.hash cccb77ae9609d2768ed80dd42cec54f77b1f1457)
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assert_contents_equal(${tmp}/cccb77ae9608.hash cccb77ae9608d2768ed80dd42cec54f77b1f1455)
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assert_contents_equal(${tmp}/cccb77be.hash cccb77be9609d2768ed80dd42cec54f77b1f1456)
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# 1. Confirm idempotence: calling any of these function should produce the same hash as before (hash
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# lookups work correctly once the .hash files are created)
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cpm_get_shortest_hash(${tmp} "cccb77ae9609d2768ed80dd42cec54f77b1f1455" hash)
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assert_equal(${hash} "cccb")
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assert_contents_equal(${tmp}/cccb.hash cccb77ae9609d2768ed80dd42cec54f77b1f1455)
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cpm_get_shortest_hash(${tmp} "cccb77ae9609d2768ed80dd42cec54f77b1f1456" hash)
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assert_equal(${hash} "cccb77ae")
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assert_contents_equal(${tmp}/cccb77ae.hash cccb77ae9609d2768ed80dd42cec54f77b1f1456)
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cpm_get_shortest_hash(${tmp} "cccb77ae9609d2768ed80dd42cec54f77b1f1457" hash)
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assert_equal(${hash} "cccb77ae9609")
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assert_contents_equal(${tmp}/cccb77ae9609.hash cccb77ae9609d2768ed80dd42cec54f77b1f1457)
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cpm_get_shortest_hash(${tmp} "cccb77ae9608d2768ed80dd42cec54f77b1f1455" hash)
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assert_equal(${hash} "cccb77ae9608")
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assert_contents_equal(${tmp}/cccb77ae9608.hash cccb77ae9608d2768ed80dd42cec54f77b1f1455)
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cpm_get_shortest_hash(${tmp} "cccb77be9609d2768ed80dd42cec54f77b1f1456" hash)
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assert_equal(${hash} "cccb77be")
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assert_contents_equal(${tmp}/cccb77be.hash cccb77be9609d2768ed80dd42cec54f77b1f1456)
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# 1. Cleanup - remove the temporary directory that we created
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file(REMOVE_RECURSE ${tmp})
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