174 lines
4.6 KiB
Python
174 lines
4.6 KiB
Python
# This package aids testing the 'copy_file' rule.
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#
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# The package contains 4 copy_file rules:
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# - 'copy_src' and 'copy_gen' copy a source file and a generated file
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# respectively
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# - 'copy_xsrc' and 'copy_xgen' copy a source file and a generated file
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# respectively (both are shell scripts), and mark their output as executable
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#
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# The generated file is the output of the 'gen' genrule.
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#
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# The 'bin_src' and 'bin_gen' rules are sh_binary rules. They use the
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# 'copy_xsrc' and 'copy_xgen' rules respectively. The sh_binary rule requires
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# its source to be executable, so building these two rules successfully means
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# that 'copy_file' managed to make its output executable.
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#
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# The 'run_executables' genrule runs the 'bin_src' and 'bin_gen' binaries,
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# partly to ensure they can be run, and partly so we can observe their output
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# and assert the contents in the 'copy_file_tests' test.
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#
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# The 'file_deps' filegroup depends on 'copy_src'. The filegroup rule uses the
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# DefaultInfo.files field from its dependencies. When we data-depend on the
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# filegroup from 'copy_file_tests', we transitively data-depend on the
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# DefaultInfo.files of the 'copy_src' rule.
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#
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# The 'copy_file_tests' test is the actual integration test. It data-depends
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# on:
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# - the 'run_executables' rule, to get the outputs of 'bin_src' and 'bin_gen'
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# - the 'file_deps' rule, and by nature of using a filegroup, we get the files
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# from the DefaultInfo.files of the 'copy_file' rule, and thereby assert that
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# that field contains the output file of the rule
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# - the 'copy_nonempty_text' rule, and thereby on the DefaultInfo.runfiles field
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# of it, so we assert that that field contains the output file of the rule
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load("//rules:copy_file.bzl", "copy_file")
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licenses(["notice"])
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package(default_testonly = 1)
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sh_test(
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name = "copy_file_tests",
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srcs = ["copy_file_tests.sh"],
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data = [
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":run_executables",
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# Use DefaultInfo.files from 'copy_src' (via 'file_deps').
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":file_deps",
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# Use DefaultInfo.runfiles from 'copy_gen'.
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":copy_gen",
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":copy_gen_symlink",
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"//tests:unittest.bash",
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],
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deps = ["@bazel_tools//tools/bash/runfiles"],
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)
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filegroup(
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name = "file_deps",
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# Use DefaultInfo.files from 'copy_src'.
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srcs = [
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":copy_src",
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":copy_src_symlink",
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],
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)
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# If 'run_executables' is built, then 'bin_gen' and 'bin_src' are
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# executable, asserting that copy_file makes the output executable.
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genrule(
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name = "run_executables",
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outs = [
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"xsrc-out-symlink.txt",
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"xgen-out-symlink.txt",
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"xsrc-out.txt",
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"xgen-out.txt",
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],
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cmd = " && ".join([
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"$(location :bin_src_symlink) > $(location xsrc-out-symlink.txt)",
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"$(location :bin_gen_symlink) > $(location xgen-out-symlink.txt)",
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"$(location :bin_src) > $(location xsrc-out.txt)",
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"$(location :bin_gen) > $(location xgen-out.txt)",
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]),
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output_to_bindir = 1,
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tools = [
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":bin_gen",
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":bin_src",
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":bin_gen_symlink",
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":bin_src_symlink",
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],
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)
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# If 'bin_src' is built, then 'copy_xsrc' made its output executable.
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sh_binary(
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name = "bin_src",
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srcs = [":copy_xsrc"],
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)
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# If 'bin_src' is built, then 'copy_xsrc' made its output executable.
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sh_binary(
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name = "bin_src_symlink",
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srcs = [":copy_xsrc_symlink"],
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)
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# If 'bin_gen' is built, then 'copy_xgen' made its output executable.
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sh_binary(
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name = "bin_gen",
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srcs = [":copy_xgen"],
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)
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# If 'bin_gen' is built, then 'copy_xgen' made its output executable.
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sh_binary(
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name = "bin_gen_symlink",
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srcs = [":copy_xgen_symlink"],
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)
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copy_file(
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name = "copy_src",
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src = "a.txt",
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out = "out/a-out.txt",
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)
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copy_file(
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name = "copy_src_symlink",
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src = "a.txt",
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out = "out/a-out-symlink.txt",
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allow_symlink = True,
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)
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copy_file(
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name = "copy_gen",
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src = ":gen",
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out = "out/gen-out.txt",
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allow_symlink = True,
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)
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copy_file(
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name = "copy_gen_symlink",
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src = ":gen",
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out = "out/gen-out-symlink.txt",
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)
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copy_file(
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name = "copy_xsrc",
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src = "a.txt",
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out = "xout/a-out.sh",
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is_executable = True,
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)
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copy_file(
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name = "copy_xsrc_symlink",
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src = "a_with_exec_bit.txt",
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out = "xout/a-out-symlink.sh",
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is_executable = True,
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allow_symlink = True,
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)
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copy_file(
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name = "copy_xgen",
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src = ":gen",
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out = "xout/gen-out.sh",
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is_executable = True,
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)
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copy_file(
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name = "copy_xgen_symlink",
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src = ":gen",
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out = "xout/gen-out-symlink.sh",
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is_executable = True,
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allow_symlink = True,
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)
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genrule(
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name = "gen",
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outs = ["b.txt"],
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cmd = "echo -e '#!/bin/bash\necho potato' > $@",
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)
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