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Add spec for match
(regex) matcher
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3 changed files with 119 additions and 1 deletions
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@ -111,7 +111,7 @@ In no particular order, features that have been implemented and are planned:
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- [X] Pending tests - `pending`
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- [ ] Shared examples - `behaves_like`, `include_examples`
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- [ ] Matchers
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- [ ] Equality matchers - `eq`, `be`, `be_a`, `match`
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- [X] Equality matchers - `eq`, `be`, `be_a`, `match`
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- [ ] Truthy matchers - `be_true`, `be_false`, `be_truthy`, `be_falsey`
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- [ ] Comparison matchers - `<`, `<=`, `>`, `>=`, `be_within`
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- [ ] Question matchers - `be_nil`, `be_xxx`
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@ -7,6 +7,9 @@ class SpySUT
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# Number of times the `#===` method was called.
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getter case_eq_call_count = 0
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# Number of times the `#=~` method was called.
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getter match_call_count = 0
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# Returns true and increments `#eq_call_count`.
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def ==(other : T) forall T
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@eq_call_count += 1
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@ -18,4 +21,10 @@ class SpySUT
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@case_eq_call_count += 1
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true
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end
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# Returns true and increments `#match_eq_call_count`.
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def =~(other : T) forall T
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@match_call_count += 1
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true
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end
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end
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109
spec/matchers/regex_matcher_spec.cr
Normal file
109
spec/matchers/regex_matcher_spec.cr
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@ -0,0 +1,109 @@
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require "../spec_helper"
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describe Spectator::Matchers::RegexMatcher do
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describe "#match?" do
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it "compares using #=~" do
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spy = SpySUT.new
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partial = Spectator::Expectations::ValueExpectationPartial.new(spy)
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matcher = Spectator::Matchers::RegexMatcher.new(/foobar/)
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matcher.match?(partial).should be_true
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spy.match_call_count.should be > 0
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end
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context "with a matching pattern" do
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it "is true" do
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value = "foobar"
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pattern = /foo/
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partial = Spectator::Expectations::ValueExpectationPartial.new(value)
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matcher = Spectator::Matchers::RegexMatcher.new(pattern)
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matcher.match?(partial).should be_true
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end
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end
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context "with a non-matching pattern" do
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it "is false" do
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value = "foo"
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pattern = /bar/
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partial = Spectator::Expectations::ValueExpectationPartial.new(value)
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matcher = Spectator::Matchers::RegexMatcher.new(pattern)
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matcher.match?(partial).should be_false
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end
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end
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end
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describe "#message" do
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it "mentions =~" do
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value = "foobar"
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pattern = /foo/
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partial = Spectator::Expectations::ValueExpectationPartial.new(value)
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matcher = Spectator::Matchers::RegexMatcher.new(pattern)
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matcher.message(partial).should contain("=~")
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end
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it "contains the actual label" do
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value = "foobar"
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label = "different"
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pattern = /foo/
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partial = Spectator::Expectations::ValueExpectationPartial.new(label, value)
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matcher = Spectator::Matchers::RegexMatcher.new(pattern)
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matcher.message(partial).should contain(label)
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end
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it "contains the expected label" do
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value = "foobar"
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label = "different"
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pattern = /foo/
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partial = Spectator::Expectations::ValueExpectationPartial.new(value)
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matcher = Spectator::Matchers::RegexMatcher.new(label, pattern)
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matcher.message(partial).should contain(label)
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end
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context "when expected label is omitted" do
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it "contains stringified form of expected value" do
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value = "foobar"
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pattern = /foo/
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partial = Spectator::Expectations::ValueExpectationPartial.new(value)
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matcher = Spectator::Matchers::RegexMatcher.new(pattern)
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matcher.message(partial).should contain(pattern.to_s)
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end
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end
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end
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describe "#negated_message" do
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it "mentions =~" do
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value = "foobar"
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pattern = /foo/
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partial = Spectator::Expectations::ValueExpectationPartial.new(value)
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matcher = Spectator::Matchers::RegexMatcher.new(pattern)
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matcher.negated_message(partial).should contain("=~")
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end
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it "contains the actual label" do
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value = "foobar"
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label = "different"
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pattern = /foo/
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partial = Spectator::Expectations::ValueExpectationPartial.new(label, value)
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matcher = Spectator::Matchers::RegexMatcher.new(pattern)
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matcher.negated_message(partial).should contain(label)
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end
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it "contains the expected label" do
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value = "foobar"
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label = "different"
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pattern = /foo/
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partial = Spectator::Expectations::ValueExpectationPartial.new(value)
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matcher = Spectator::Matchers::RegexMatcher.new(label, pattern)
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matcher.negated_message(partial).should contain(label)
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end
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context "when expected label is omitted" do
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it "contains stringified form of expected value" do
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value = "foobar"
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pattern = /foo/
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partial = Spectator::Expectations::ValueExpectationPartial.new(value)
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matcher = Spectator::Matchers::RegexMatcher.new(pattern)
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matcher.negated_message(partial).should contain(pattern.to_s)
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end
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end
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end
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end
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