#!/bin/sh

die () { printf "$@" ; exit 1; }

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

# Verify that all generated valid normalized semvers produce some result
test_cases="$VALID_SEMVERS"
while [ -n "$test_cases" ]; do
  semver=$(echo "$test_cases" | head -n1)
  test_cases=$(echo "$test_cases" | tail -n +2)

  output=$(nvm_interpret_node_semver "$semver")
  if [ -z "$semver" ] || [ -z "$output" ] || ! nvm_string_contains_regexp "$output" '^[0-9]+\.[0-9]+\.[0-9]+$'; then
    die "nvm_interpret_node_semver generated positive test case failed expecting a version to be outputted: semver: '$semver' output: '$output'"
  fi
done

# Verify that all generated invalid normalized semvers do not produce a result
test_cases="$INVALID_SEMVERS"
while [ -n "$test_cases" ]; do
  semver=$(echo "$test_cases" | head -n1)
  test_cases=$(echo "$test_cases" | tail -n +2)

  output=$(nvm_interpret_node_semver "$semver")
  if [ -z "$semver" ] || [ -n "$output" ]; then
    die "nvm_interpret_node_semver generated negative test case failed: semver: '$semver' output: '$output'"
  fi
done

# Verify actual outputs given some inputs
# input:expected_output
test_cases="*:$NEWEST_NODE_VERSION
^5:$NEWEST_NODE_VERSION_5
^5.0:$NEWEST_NODE_VERSION_5
^5.x:$NEWEST_NODE_VERSION_5
^5.X:$NEWEST_NODE_VERSION_5
^5.*:$NEWEST_NODE_VERSION_5
~5:$NEWEST_NODE_VERSION_5
~5.0:$NEWEST_NODE_VERSION_5
~5.x:$NEWEST_NODE_VERSION_5
~5.X:$NEWEST_NODE_VERSION_5
~5.*:$NEWEST_NODE_VERSION_5
5:$NEWEST_NODE_VERSION_5
x:$NEWEST_NODE_VERSION
X:$NEWEST_NODE_VERSION
x.x.x:$NEWEST_NODE_VERSION
0.12.18:0.12.18
0.11.16:0.11.16
7.0.0||7.2.1:7.2.1
7-8:8.0.0
7.0:7.0.0
^7.0.0:7.10.1
~8.1.0:8.1.4
^7.0.0||6.8.1:7.10.1
>0.12.18:$NEWEST_NODE_VERSION
>=0.11.16:$NEWEST_NODE_VERSION
7.1.0 || 7.3.0 || 7.2.0:7.3.0
7.1.0 7.3.0 7.2.0:
5:$NEWEST_NODE_VERSION_5
5.x:$NEWEST_NODE_VERSION_5
5.x.x:$NEWEST_NODE_VERSION_5
5.X:$NEWEST_NODE_VERSION_5
5.X.X:$NEWEST_NODE_VERSION_5
7.5.0:7.5.0"

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 $2 }')
  test_cases=$(echo "$test_cases" | tail -n +2)

  actualOutput=$(nvm_interpret_node_semver "$input")
  if [ "$actualOutput" != "$expected_output" ] || [ -z "$input" ]; then
    die "nvm_interpret_node_semver input/output test case failed. Expected output: '$expected_output'. Actual output: '$actualOutput'. Input: '$input'.\n"
  fi
done
exit 0