#!/bin/sh

\. ../../../nvm.sh
\. ../../generated_semvers.sh

# This test suite validates the behavior of normalizing a semver from its raw form to a specific grammar. See the grammar defined with nvm_is_normalized_semver() in nvm.sh.

# TEST 1: Validate that for already normalized semvers, nvm_normalize_semver outputs the same semver.
test_cases="$VALID_NORMALIZED_SEMVERS"
if [ -z "$test_cases" ]; then
  die 'nvm_normalize_semver (TEST 1) was given an empty set of test cases'
fi
while [ -n "$test_cases" ]; do
  semver=$(echo "$test_cases" | head -n1)
  actual_output=$(nvm_normalize_semver "$semver")
  if [ -z "$semver" ] || [ "$semver" != "$actual_output" ]; then
    die "nvm_normalize_semver (TEST 1) test case failed. Expected output: '$semver'. Actual output: '$actual_output'. Input: '$semver'.\n"
  fi
  test_cases=$(echo "$test_cases" | tail -n +2)
done


# TEST 2: Validate that non normalized valid semvers produce a normalized result
test_cases="$VALID_NON_NORMALIZED_SEMVERS"
if [ -z "$test_cases" ]; then
  die 'nvm_normalize_semver (TEST 2) was given an empty set of test cases'
fi
while [ -n "$test_cases" ]; do
  semver=$(echo "$test_cases" | head -n1)
  actual_output=$(nvm_normalize_semver "$semver")
  if [ -z "$semver" ] || [ -z "$actual_output" ] || [ "$semver" = "$actual_output" ]; then
    die "nvm_normalize_semver (TEST 2) test case failed. Expected output: '$semver'. Actual output: '$actual_output'. Input: '$semver'.\n"
  fi
  test_cases=$(echo "$test_cases" | tail -n +2)
done

# TEST 3: Validate specific outputs for some specific inputs to nvm_normalize_semver.
# input:expected_output
test_cases="1.2.3:1.2.3
1.2.3 - 1.2.4:>=1.2.3 <=1.2.4
1.2.3-1.2.4:>=1.2.3 <=1.2.4
11.22.33 - 11.22.44:>=11.22.33 <=11.22.44
1.2.x - 1.2.4:>=1.2.0 <=1.2.4
1.2.xx - 1.2.4:
1.2.3 || 1.2.4:1.2.3 || 1.2.4
*:>0.0.0
x:>0.0.0
X:>0.0.0
1:>=1.0.0 <2.0.0
1.2:>=1.2.0 <1.3.0
< 1.2.3:<1.2.3
> 1.2.3:>1.2.3
<= 1.2.3:<=1.2.3
>= 1.2.3:>=1.2.3
= 1.2.3:1.2.3
^0.0.1 ^0.1.2 ^1.2.3:>=0.0.1 <0.0.2 >=0.1.2 <0.2.0 >=1.2.3 <2.0.0
~0.0.1 ~0.1.2 ~1.2.3:>=0.0.1 <0.1.0 >=0.1.2 <0.2.0 >=1.2.3 <1.3.0
~ 1.2.3:>=1.2.3 <1.3.0
^ 1.2.3:>=1.2.3 <2.0.0
1.2.3 || 1.2.4 1.2.5:1.2.3 || 1.2.4 1.2.5
a:
1 || 2 a:
1 || a:
a || 1.2.3:
1.2.?:
^0.0.1:>=0.0.1 <0.0.2
<x.x.x:
>=x.1.1:>0.0.0
>x.1.1:>0.0.0
~x.1.1:>0.0.0
^x.1.1:>0.0.0
11.22.33:11.22.33"

if [ -z "$test_cases" ]; then
  die 'nvm_normalize_semver (TEST 3) was given an empty set of test cases'
fi
while [ -n "$test_cases" ]; do
  line=$(echo "$test_cases" | head -n1)
  input=$(echo "$line" | awk -F: '{ print $1 }')
  expected_output=$(echo "$line" | awk -F: '{ print $2 }')
  actual_output=$(nvm_normalize_semver "$input")
  if [ -z "$input" ] || [ "$actual_output" != "$expected_output" ]; then
    die "nvm_normalize_semver (TEST 3) test case failed. Expected output: '$expected_output'. Actual output: '$actual_output'. Input: '$input'.\n"
  fi
  test_cases=$(echo "$test_cases" | tail -n +2)
done

# TEST 4: Validate that invalid semvers with invalid characters that shouldn't be retrieved from the package.json produce no result from nvm_normalize_semver
test_cases="$INVALID_SEMVERS_FOR_PKG_JSON"
if [ -z "$test_cases" ]; then
  die 'nvm_normalize_semver (TEST 4) was given an empty set of test cases'
fi
while [ -n "$test_cases" ]; do
  semver=$(echo "$test_cases" | head -n1)
  actual_output=$(nvm_normalize_semver "$semver")
  if [ -z "$semver" ] || [ -n "$actual_output" ]; then
    die "nvm_normalize_semver (TEST 4) test case failed. Expected no output but got: '$actual_output'. Input: '$semver'.\n"
  fi
  test_cases=$(echo "$test_cases" | tail -n +2)
done
exit 0