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nvm alias: factor out alias printing logic to functions

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This commit is contained in:
Jordan Harband
2016-04-26 22:29:55 -07:00
parent 7b1a4e5126
commit 4df2a7fca9
3 changed files with 124 additions and 25 deletions
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43
test/fast/Unit tests/nvm_print_alias_path Executable file
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#!/bin/sh
die () { echo $@ ; cleanup ; exit 1; }
cleanup () {
unset -f nvm_alias nvm_version
}
. ../../../nvm.sh
NVM_ALIAS_DIR='path/to/the alias/dir'
OUTPUT="$(nvm_print_alias_path 2>&1)"
EXPECTED_OUTPUT='An alias dir is required.'
[ "$OUTPUT" = "$EXPECTED_OUTPUT" ] || die "'nvm_print_alias_path' produced wrong output; got '$OUTPUT', expected '$EXPECTED_OUTPUT'"
OUTPUT="$(nvm_print_alias_path "$NVM_ALIAS_DIR" 2>&1)"
EXPECTED_OUTPUT='An alias path is required.'
[ "$OUTPUT" = "$EXPECTED_OUTPUT" ] || die "'nvm_print_alias_path \"\$NVM_ALIAS_DIR\"' produced wrong output; got '$OUTPUT', expected '$EXPECTED_OUTPUT'"
nvm_alias() {
echo ''
}
OUTPUT="$(nvm_print_alias_path "$NVM_ALIAS_DIR" foo)"
EXPECTED_OUTPUT=''
[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_print_alias_path \"\$NVM_ALIAS_DIR\" foo' should produce no output when nvm_alias does not; got '$OUTPUT'"
EXIT_CODE="$(nvm_print_alias_path "$NVM_ALIAS_DIR" foo >/dev/null 2>&1 ; echo $?)"
[ "$EXIT_CODE" = '0' ] || die "'nvm_print_alias_path \"\$NVM_ALIAS_DIR\" foo' should exit zero when nvm_alias produces no output; got $EXIT_CODE"
nvm_alias() {
echo "\"$1\""
}
nvm_version() {
echo "v$1"
}
OUTPUT="$(nvm_print_alias_path "$NVM_ALIAS_DIR" "$NVM_ALIAS_DIR/blah")"
EXPECTED_OUTPUT='blah -> "blah" (-> v"blah")'
[ "$OUTPUT" = "$EXPECTED_OUTPUT" ] || die "'nvm_print_alias_path \"\$NVM_ALIAS_DIR\" \"\$NVM_ALIAS_DIR/blah\"' should strip alias dir and print nvm_alias output; got '$OUTPUT', expected '$EXPECTED_OUTPUT'"
cleanup

33
test/fast/Unit tests/nvm_print_default_alias Executable file
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#!/bin/sh
die () { echo $@ ; cleanup ; exit 1; }
cleanup () {
unset -f nvm_print_implicit_alias nvm_version
}
. ../../../nvm.sh
nvm_print_implicit_alias() {
echo ''
}
OUTPUT="$(nvm_print_default_alias foo)"
EXPECTED_OUTPUT=''
[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_print_default_alias foo' should produce no output when nvm_print_implicit_alias does not; got '$OUTPUT'"
EXIT_CODE="$(nvm_print_default_alias foo >/dev/null 2>&1 ; echo $?)"
[ "$EXIT_CODE" = '0' ] || die "'nvm_print_default_alias foo' should exit zero when nvm_print_implicit_alias produces no output; got $EXIT_CODE"
nvm_print_implicit_alias() {
echo "\"$1-$2\""
}
nvm_version() {
echo "v$1"
}
OUTPUT="$(nvm_print_default_alias blah)"
EXPECTED_OUTPUT='blah -> "local-blah" (-> v"local-blah") (default)'
[ "$OUTPUT" = "$EXPECTED_OUTPUT" ] || die "'nvm_print_default_alias blah' should strip alias dir and print nvm_print_implicit_alias output; got '$OUTPUT', expected '$EXPECTED_OUTPUT'"
cleanup