|
| 1 | +package au.com.dius.pact.core.support.expressions |
| 2 | + |
| 3 | +import spock.lang.Specification |
| 4 | +import spock.lang.Unroll |
| 5 | + |
| 6 | +import static ExpressionParser.VALUES_SEPARATOR |
| 7 | + |
| 8 | +@SuppressWarnings('GStringExpressionWithinString') |
| 9 | +class ExpressionParserSpec extends Specification { |
| 10 | + |
| 11 | + private ValueResolver valueResolver |
| 12 | + |
| 13 | + def setup() { |
| 14 | + valueResolver = [ |
| 15 | + resolveValue: { expression -> "[$expression]".toString() } |
| 16 | + ] as ValueResolver |
| 17 | + } |
| 18 | + |
| 19 | + def 'Does Not Modify Strings With No Expressions'() { |
| 20 | + expect: |
| 21 | + ExpressionParser.parseExpression(null) == null |
| 22 | + ExpressionParser.parseExpression('') == '' |
| 23 | + ExpressionParser.parseExpression('hello world') == 'hello world' |
| 24 | + ExpressionParser.parseExpression('looks like a $') == 'looks like a $' |
| 25 | + } |
| 26 | + |
| 27 | + def 'Throws An Exception On Unterminated Expressions'() { |
| 28 | + when: |
| 29 | + ExpressionParser.parseExpression('${value') |
| 30 | + |
| 31 | + then: |
| 32 | + thrown(RuntimeException) |
| 33 | + } |
| 34 | + |
| 35 | + @Unroll |
| 36 | + @SuppressWarnings('UnnecessaryBooleanExpression') |
| 37 | + def 'Replaces The Expression With System Properties'() { |
| 38 | + expect: |
| 39 | + ExpressionParser.parseExpression(expression, valueResolver) == result |
| 40 | + |
| 41 | + where: |
| 42 | + |
| 43 | + expression || result |
| 44 | + '${value}' || '[value]' |
| 45 | + ' ${value}' || ' [value]' |
| 46 | + '${value} ' || '[value] ' |
| 47 | + ' ${value} ' || ' [value] ' |
| 48 | + ' ${value} ${value2} ' || ' [value] [value2] ' |
| 49 | + '$${value}}' || '$[value]}' |
| 50 | + } |
| 51 | + |
| 52 | + def 'Handles Empty Expression'() { |
| 53 | + expect: |
| 54 | + ExpressionParser.parseExpression('${}') == '' |
| 55 | + ExpressionParser.parseExpression('${} ${} ${}') == ' ' |
| 56 | + } |
| 57 | + |
| 58 | + def 'Handles single value as list'() { |
| 59 | + when: |
| 60 | + def values = ExpressionParser.parseListExpression('${value}', valueResolver) |
| 61 | + |
| 62 | + then: |
| 63 | + values.size() == 1 |
| 64 | + values.first() == '[value]' |
| 65 | + } |
| 66 | + |
| 67 | + def 'parseListExpression - Splits a compound expression value'() { |
| 68 | + given: |
| 69 | + List<String> expectedValues = ['one', 'two'] |
| 70 | + ValueResolver valueResolver = [ resolveValue: { expectedValues.join(VALUES_SEPARATOR) } ] as ValueResolver |
| 71 | + |
| 72 | + when: |
| 73 | + def values = ExpressionParser.parseListExpression('${value}', valueResolver) |
| 74 | + |
| 75 | + then: |
| 76 | + values == expectedValues |
| 77 | + } |
| 78 | + |
| 79 | + def 'parseListExpression - Splits several singular expression values'() { |
| 80 | + given: |
| 81 | + ValueResolver valueResolver = [ resolveValue: { it } ] as ValueResolver |
| 82 | + List<String> expectedValues = ['one', 'two'] |
| 83 | + |
| 84 | + when: |
| 85 | + def values = ExpressionParser.parseListExpression("\${one}$VALUES_SEPARATOR\${two}", valueResolver) |
| 86 | + |
| 87 | + then: |
| 88 | + values == expectedValues |
| 89 | + } |
| 90 | + |
| 91 | + def 'parseListExpression - Ignores empty values during compound expression processing'() { |
| 92 | + given: |
| 93 | + ValueResolver valueResolver = [ resolveValue: { it } ] as ValueResolver |
| 94 | + String expectedValue = 'one' |
| 95 | + |
| 96 | + when: |
| 97 | + def values = ExpressionParser.parseListExpression("\${one}$VALUES_SEPARATOR", valueResolver) |
| 98 | + |
| 99 | + then: |
| 100 | + values == [expectedValue] |
| 101 | + } |
| 102 | + |
| 103 | + @Unroll |
| 104 | + @SuppressWarnings('UnnecessaryBooleanExpression') |
| 105 | + def 'with a defined type, converts the expression into the correct type'() { |
| 106 | + expect: |
| 107 | + ExpressionParser.parseExpression('${expression}', type, [ resolveValue: { value } ] as ValueResolver) == result |
| 108 | + |
| 109 | + where: |
| 110 | + |
| 111 | + value | type || result |
| 112 | + 'string' | DataType.RAW || 'string' |
| 113 | + 'string' | DataType.STRING || 'string' |
| 114 | + '100' | DataType.RAW || '100' |
| 115 | + '100' | DataType.STRING || '100' |
| 116 | + '100' | DataType.INTEGER || 100L |
| 117 | + '100' | DataType.FLOAT || 100.0f |
| 118 | + '100' | DataType.DECIMAL || 100.0 |
| 119 | + 100 | DataType.RAW || 100 |
| 120 | + 100 | DataType.STRING || '100' |
| 121 | + 100 | DataType.INTEGER || 100L |
| 122 | + 100 | DataType.FLOAT || 100.0f |
| 123 | + 100 | DataType.DECIMAL || 100.0 |
| 124 | + } |
| 125 | +} |
0 commit comments