Add spec for match (regex) matcher

This commit is contained in:
Michael Miller 2019-01-19 14:49:13 -07:00
parent 260e1884ab
commit a32b511e0b
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:
- [X] Pending tests - `pending` - [X] Pending tests - `pending`
- [ ] Shared examples - `behaves_like`, `include_examples` - [ ] Shared examples - `behaves_like`, `include_examples`
- [ ] Matchers - [ ] Matchers
- [ ] Equality matchers - `eq`, `be`, `be_a`, `match` - [X] Equality matchers - `eq`, `be`, `be_a`, `match`
- [ ] Truthy matchers - `be_true`, `be_false`, `be_truthy`, `be_falsey` - [ ] Truthy matchers - `be_true`, `be_false`, `be_truthy`, `be_falsey`
- [ ] Comparison matchers - `<`, `<=`, `>`, `>=`, `be_within` - [ ] Comparison matchers - `<`, `<=`, `>`, `>=`, `be_within`
- [ ] Question matchers - `be_nil`, `be_xxx` - [ ] Question matchers - `be_nil`, `be_xxx`

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@ -7,6 +7,9 @@ class SpySUT
# Number of times the `#===` method was called. # Number of times the `#===` method was called.
getter case_eq_call_count = 0 getter case_eq_call_count = 0
# Number of times the `#=~` method was called.
getter match_call_count = 0
# Returns true and increments `#eq_call_count`. # Returns true and increments `#eq_call_count`.
def ==(other : T) forall T def ==(other : T) forall T
@eq_call_count += 1 @eq_call_count += 1
@ -18,4 +21,10 @@ class SpySUT
@case_eq_call_count += 1 @case_eq_call_count += 1
true true
end end
# Returns true and increments `#match_eq_call_count`.
def =~(other : T) forall T
@match_call_count += 1
true
end
end end

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@ -0,0 +1,109 @@
require "../spec_helper"
describe Spectator::Matchers::RegexMatcher do
describe "#match?" do
it "compares using #=~" do
spy = SpySUT.new
partial = Spectator::Expectations::ValueExpectationPartial.new(spy)
matcher = Spectator::Matchers::RegexMatcher.new(/foobar/)
matcher.match?(partial).should be_true
spy.match_call_count.should be > 0
end
context "with a matching pattern" do
it "is true" do
value = "foobar"
pattern = /foo/
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::RegexMatcher.new(pattern)
matcher.match?(partial).should be_true
end
end
context "with a non-matching pattern" do
it "is false" do
value = "foo"
pattern = /bar/
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::RegexMatcher.new(pattern)
matcher.match?(partial).should be_false
end
end
end
describe "#message" do
it "mentions =~" do
value = "foobar"
pattern = /foo/
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::RegexMatcher.new(pattern)
matcher.message(partial).should contain("=~")
end
it "contains the actual label" do
value = "foobar"
label = "different"
pattern = /foo/
partial = Spectator::Expectations::ValueExpectationPartial.new(label, value)
matcher = Spectator::Matchers::RegexMatcher.new(pattern)
matcher.message(partial).should contain(label)
end
it "contains the expected label" do
value = "foobar"
label = "different"
pattern = /foo/
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::RegexMatcher.new(label, pattern)
matcher.message(partial).should contain(label)
end
context "when expected label is omitted" do
it "contains stringified form of expected value" do
value = "foobar"
pattern = /foo/
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::RegexMatcher.new(pattern)
matcher.message(partial).should contain(pattern.to_s)
end
end
end
describe "#negated_message" do
it "mentions =~" do
value = "foobar"
pattern = /foo/
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::RegexMatcher.new(pattern)
matcher.negated_message(partial).should contain("=~")
end
it "contains the actual label" do
value = "foobar"
label = "different"
pattern = /foo/
partial = Spectator::Expectations::ValueExpectationPartial.new(label, value)
matcher = Spectator::Matchers::RegexMatcher.new(pattern)
matcher.negated_message(partial).should contain(label)
end
it "contains the expected label" do
value = "foobar"
label = "different"
pattern = /foo/
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::RegexMatcher.new(label, pattern)
matcher.negated_message(partial).should contain(label)
end
context "when expected label is omitted" do
it "contains stringified form of expected value" do
value = "foobar"
pattern = /foo/
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::RegexMatcher.new(pattern)
matcher.negated_message(partial).should contain(pattern.to_s)
end
end
end
end