Replace the testcases script with a Vagrant VM

See the README section for more details. Basically, with this way, we can store a bunch of existing valid exa outputs, change a VM's environment to match our values, then check that exa still works by comparing outputs.

1 files changed, 146 insertions, 0 deletions

diff --git a/Vagrantfile b/Vagrantfile
new file mode 100644
index 0000000..99e789b
--- /dev/null
+++ b/Vagrantfile
@@ -0,0 +1,146 @@
+Vagrant.configure("2") do |config|
+    config.vm.provider "virtualbox" do |v|
+        v.memory = 1024
+        v.cpus = 1
+    end
+
+    config.vm.box = "debian/contrib-jessie64"
+    config.vm.hostname = "exa"
+
+    # Install the dependencies needed for exa to build.
+    config.vm.provision :shell, privileged: true, inline:
+        %[apt-get install -y git cmake libgit2-dev libssh2-1-dev curl attr]
+
+    # Guarantee that the timezone is UTC -- some of the tests
+    # depend on this (for now).
+    config.vm.provision :shell, privileged: true, inline:
+        %[timedatectl set-timezone UTC]
+
+    # Install Rust.
+    # This is done as vagrant, not root, because it’s vagrant
+    # who actually uses it. Sent to /dev/null because the progress
+    # bar produces a lot of output.
+    config.vm.provision :shell, privileged: false, inline:
+        %[hash rustc &>/dev/null || curl -sSf https://static.rust-lang.org/rustup.sh | sh &> /dev/null]
+
+    # Use a different ‘target’ directory on the VM than on the host.
+    # By default it just uses the one in /vagrant/target, which can
+    # cause problems if it has different permissions than the other
+    # directories, or contains object files compiled for the host.
+    config.vm.provision :shell, privileged: false, inline:
+        %[echo "export CARGO_TARGET_DIR=/home/vagrant/target" >> ~/.bashrc]
+
+    # Test that wide columns work with a really long username.
+    # The benefit of Vagrant is that we don’t need to set this up
+    # on the *actual* system!
+    longuser = "antidisestablishmentarienism"
+    config.vm.provision :shell, privileged: true, inline:
+        %[id -u #{longuser} &>/dev/null || useradd #{longuser}]
+
+    test_dir = "/home/vagrant/testcases"
+    invalid_uid = 666
+    invalid_gid = 616
+    some_date = "201601011234.56"  # 1st January 2016, 12:34:56
+
+    # Delete old testcases if they exist already.
+    # This needs root because the generator does some sudo-ing.
+    config.vm.provision :shell, privileged: true, inline:
+        %[rm -rfv #{test_dir}]
+
+    # Generate our awkward testcases.
+    config.vm.provision :shell, privileged: false, inline:
+        %[mkdir #{test_dir}]
+
+    # Awkward file size testcases.
+    config.vm.provision :shell, privileged: false, inline: <<-EOF
+        set -xe
+        mkdir "#{test_dir}/files"
+        for i in {1..13}; do
+            fallocate -l "$i" "#{test_dir}/files/$i"_bytes
+            fallocate -l "$i"KiB "#{test_dir}/files/$i"_KiB
+            fallocate -l "$i"MiB "#{test_dir}/files/$i"_MiB
+        done
+        touch -t #{some_date} "#{test_dir}/files/"*
+    EOF
+
+    # Awkward symlink testcases.
+    config.vm.provision :shell, privileged: false, inline: <<-EOF
+        set -xe
+        mkdir "#{test_dir}/links"
+        ln -s / "#{test_dir}/links/root"
+        ln -s /usr "#{test_dir}/links/usr"
+        ln -s nowhere "#{test_dir}/links/broken"
+    EOF
+
+    # Awkward passwd testcases.
+    # sudo is needed for these because we technically aren’t a member
+    # of the groups (because they don’t exist), and chown and chgrp
+    # are smart enough to disallow it!
+    config.vm.provision :shell, privileged: false, inline: <<-EOF
+        set -xe
+        mkdir "#{test_dir}/passwd"
+
+        touch -t #{some_date} "#{test_dir}/passwd/unknown-uid"
+        sudo chown #{invalid_uid} "#{test_dir}/passwd/unknown-uid"
+
+        touch -t #{some_date} "#{test_dir}/passwd/unknown-gid"
+        sudo chgrp #{invalid_gid} "#{test_dir}/passwd/unknown-gid"
+    EOF
+
+    # Awkward permission testcases.
+    config.vm.provision :shell, privileged: false, inline: <<-EOF
+        set -xe
+        mkdir "#{test_dir}/permissions"
+
+        touch "#{test_dir}/permissions/all-permissions"
+        chmod 777 "#{test_dir}/permissions/all-permissions"
+
+        touch "#{test_dir}/permissions/no-permissions"
+        chmod 000 "#{test_dir}/permissions/no-permissions"
+
+        mkdir "#{test_dir}/permissions/forbidden-directory"
+        chmod 000 "#{test_dir}/permissions/forbidden-directory"
+
+        touch -t #{some_date} "#{test_dir}/permissions/"*
+    EOF
+
+
+    # Awkward extended attribute testcases.
+    config.vm.provision :shell, privileged: false, inline: <<-EOF
+        set -xe
+        mkdir "#{test_dir}/attributes"
+
+        touch "#{test_dir}/attributes/none"
+
+        touch "#{test_dir}/attributes/one"
+        setfattr -n user.greeting -v hello "#{test_dir}/attributes/one"
+
+        touch "#{test_dir}/attributes/two"
+        setfattr -n user.greeting -v hello "#{test_dir}/attributes/two"
+        setfattr -n user.another_greeting -v hi "#{test_dir}/attributes/two"
+
+        #touch "#{test_dir}/attributes/forbidden"
+        #setfattr -n user.greeting -v hello "#{test_dir}/attributes/forbidden"
+        #chmod +a "$YOU deny readextattr" "#{test_dir}/attributes/forbidden"
+
+        mkdir "#{test_dir}/attributes/dirs"
+
+        mkdir "#{test_dir}/attributes/dirs/empty-with-attribute"
+        setfattr -n user.greeting -v hello "#{test_dir}/attributes/dirs/empty-with-attribute"
+
+        mkdir "#{test_dir}/attributes/dirs/full-with-attribute"
+        touch "#{test_dir}/attributes/dirs/full-with-attribute/file"
+        setfattr -n user.greeting -v hello "#{test_dir}/attributes/dirs/full-with-attribute"
+
+        mkdir "#{test_dir}/attributes/dirs/full-but-forbidden"
+        touch "#{test_dir}/attributes/dirs/full-but-forbidden/file"
+        #setfattr -n user.greeting -v hello "#{test_dir}/attributes/dirs/full-but-forbidden"
+        #chmod 000 "#{test_dir}/attributes/dirs/full-but-forbidden"
+        #chmod +a "$YOU deny readextattr" "#{test_dir}/attributes/dirs/full-but-forbidden"
+
+		touch -t #{some_date} "#{test_dir}/attributes"
+        touch -t #{some_date} "#{test_dir}/attributes/"*
+        touch -t #{some_date} "#{test_dir}/attributes/dirs/"*
+        touch -t #{some_date} "#{test_dir}/attributes/dirs/"*/*
+    EOF
+end