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nvm/test/fast/Unit tests/nvm_is_version_installed
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#!/bin/sh
cleanup () {
rm -rf "$NVM_DIR"
unset -f die cleanup nvm_get_os check_version
unset NVM_DIR NODE_PATH
}
die () { echo "$@" ; cleanup ; exit 1; }
: nvm.sh
\. ../../../nvm.sh
set -ex
NVM_DIR=$(mktemp -d)
NODE_PATH="$NVM_DIR/versions/node"
mkdir -p "$NODE_PATH"
if [ -z "$NODE_PATH" ]; then
die 'Unable to create temporary folder'
fi
check_version() {
local VERSION
local BINARY
VERSION=$1
BINARY=$2
# nvm_is_version_installed fails with non existing version
! nvm_is_version_installed "$VERSION" || die "nvm_is_version_installed $VERSION should fail with non existing version"
# nvm_is_version_installed fails with non executable existing version
mkdir -p "$NODE_PATH/$VERSION/bin" && cd "$NODE_PATH/$VERSION/bin" && touch "$NODE_PATH/$VERSION/bin/$BINARY"
! nvm_is_version_installed "$VERSION" || die "nvm_is_version_installed $VERSION should fail with non executable existing version"
# nvm_is_version_installed would work
chmod +x "$NODE_PATH/$VERSION/bin/$BINARY"
nvm_is_version_installed "$VERSION" || die "nvm_is_version_installed $VERSION should work"
}
# nvm_is_version_installed is available
type nvm_is_version_installed > /dev/null 2>&1 || die 'nvm_is_version_installed is not available'
# nvm_is_version_installed with no parameter fails
! nvm_is_version_installed || die 'nvm_is_version_installed without parameter should fail'
check_version '12.0.0' 'node'
# the pre-0.12 layout is still found via the fallback
OLD_VERSION='0.11.15'
mkdir -p "$NVM_DIR/$OLD_VERSION/bin"
touch "$NVM_DIR/$OLD_VERSION/bin/node"
chmod +x "$NVM_DIR/$OLD_VERSION/bin/node"
nvm_is_version_installed "$OLD_VERSION" || die "nvm_is_version_installed $OLD_VERSION should work with the pre-0.12 layout"
# a pre-0.12 version does not count as installed from the modern layout
for STRAY_VERSION in '0.10.48' 'v0.10.48'; do
mkdir -p "$NODE_PATH/$STRAY_VERSION/bin"
touch "$NODE_PATH/$STRAY_VERSION/bin/node"
chmod +x "$NODE_PATH/$STRAY_VERSION/bin/node"
! nvm_is_version_installed "$STRAY_VERSION" || die "nvm_is_version_installed $STRAY_VERSION should not find a pre-0.12 version in the modern layout"
done
# io.js versions live in a separate tree and are still found via the fallback
IOJS_VERSION='v2.0.0'
mkdir -p "$NVM_DIR/versions/io.js/$IOJS_VERSION/bin"
touch "$NVM_DIR/versions/io.js/$IOJS_VERSION/bin/node"
chmod +x "$NVM_DIR/versions/io.js/$IOJS_VERSION/bin/node"
nvm_is_version_installed "iojs-$IOJS_VERSION" || die "nvm_is_version_installed iojs-$IOJS_VERSION should work via the fallback"
# the modern layout is found without shelling out to detect the OS
FAST_VERSION='14.0.0'
! nvm_is_version_installed "$FAST_VERSION" || die "nvm_is_version_installed $FAST_VERSION should fail before it is installed"
nvm_get_os() {
die 'nvm_is_version_installed must not call nvm_get_os when the modern-layout binary exists'
}
mkdir -p "$NODE_PATH/$FAST_VERSION/bin"
touch "$NODE_PATH/$FAST_VERSION/bin/node"
chmod +x "$NODE_PATH/$FAST_VERSION/bin/node"
nvm_is_version_installed "$FAST_VERSION" || die "nvm_is_version_installed $FAST_VERSION should succeed via the fast path"
# 0.12.x is the first version in the modern layout
for FAST_VERSION in '0.12.18' 'v0.12.18'; do
mkdir -p "$NODE_PATH/$FAST_VERSION/bin"
touch "$NODE_PATH/$FAST_VERSION/bin/node"
chmod +x "$NODE_PATH/$FAST_VERSION/bin/node"
nvm_is_version_installed "$FAST_VERSION" || die "nvm_is_version_installed $FAST_VERSION should succeed via the fast path"
done
unset -f nvm_get_os
# Checking for Windows
nvm_get_os() {
echo "win"
}
check_version '13.0.0' 'node.exe'
cleanup