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package gherkin
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestParseSingleScenario(t *testing.T) {
s := `
# a line comment
@tag1 @tag2
Feature: Refund item
# a comment embedded in the description
A multiline description of the Feature
that can contain any text like
Rules:
- a
- b
@tag1 @tag2
Scenario: Jeff returns a faulty microwave
Given Jeff has bought a microwave for $100
And he has a receipt
When he returns the microwave
Then Jeff should be refunded $100
`
features, err := Parse(s)
assert.NoError(t, err)
assert.Equal(t, 1, len(features))
assert.Equal(t, "Refund item", features[0].Title)
assert.Equal(t, "@tag1", features[0].Tags[0])
assert.Equal(t, "@tag2", features[0].Tags[1])
assert.Equal(t, 1, len(features[0].Scenarios))
assert.Equal(t, "Jeff returns a faulty microwave", features[0].Scenarios[0].Title)
assert.Equal(t, "A multiline description of the Feature\nthat can contain any text like\nRules:\n- a\n- b", features[0].Description)
assert.Equal(t, 4, len(features[0].Scenarios[0].Steps))
assert.Equal(t, "@tag1", features[0].Scenarios[0].Tags[0])
assert.Equal(t, "@tag2", features[0].Scenarios[0].Tags[1])
assert.Equal(t, StepType("Given"), features[0].Scenarios[0].Steps[0].Type)
assert.Equal(t, "Jeff has bought a microwave for $100", features[0].Scenarios[0].Steps[0].Text)
assert.Equal(t, StepType("And"), features[0].Scenarios[0].Steps[1].Type)
assert.Equal(t, "he has a receipt", features[0].Scenarios[0].Steps[1].Text)
assert.Equal(t, StepType("When"), features[0].Scenarios[0].Steps[2].Type)
assert.Equal(t, "he returns the microwave", features[0].Scenarios[0].Steps[2].Text)
assert.Equal(t, StepType("Then"), features[0].Scenarios[0].Steps[3].Type)
assert.Equal(t, "Jeff should be refunded $100", features[0].Scenarios[0].Steps[3].Text)
}
func TestMultipleScenarios(t *testing.T) {
s := `
Feature: Parsing multiple scenarios
Scenario: Scenario name here
Given some precondition
Then something happens
Scenario: Another scenario
Given another precondition
Then something happens
`
features, err := Parse(s)
assert.NoError(t, err)
assert.Equal(t, 2, len(features[0].Scenarios))
assert.Equal(t, 2, len(features[0].Scenarios[0].Steps))
assert.Equal(t, 2, len(features[0].Scenarios[1].Steps))
}
func TestBackgroundAndScenarios(t *testing.T) {
s := `
Feature: Parsing multiple scenarios
@tag_on_background
Background:
Given there is some background
Scenario: Scenario name here
Given some precondition
Then something happens
Scenario: Another scenario
Given another precondition
Then something happens
`
features, err := Parse(s)
assert.NoError(t, err)
assert.Equal(t, "@tag_on_background", features[0].Background.Tags[0])
assert.Equal(t, "there is some background", features[0].Background.Steps[0].Text)
assert.Equal(t, 2, len(features[0].Scenarios))
}
func TestMultipleFeatures(t *testing.T) {
s := `
Feature: Feature 1
Scenario: Scenario name here
Given some precondition
Then something happens
Feature: Feature 2
Scenario: Another scenario
Given another precondition
Then something happens
`
f, err := Parse(s)
assert.NoError(t, err)
assert.Equal(t, 2, len(f))
assert.Equal(t, "Feature 1", f[0].Title)
assert.Equal(t, "Feature 2", f[1].Title)
assert.Equal(t, 1, len(f[0].Scenarios))
assert.Equal(t, 1, len(f[1].Scenarios))
}
func TestTagParsing(t *testing.T) {
f, err := Parse("@tag1 @tag2@tag3\nFeature: Tag parsing")
assert.NoError(t, err)
assert.Equal(t, 2, len(f[0].Tags))
assert.Equal(t, "@tag1", f[0].Tags[0])
assert.Equal(t, "@tag2@tag3", f[0].Tags[1])
}
func TestBacktrackingCommentsAtEnd(t *testing.T) {
s := `
Feature: Comments at end
Scenario: Scenario name here
Given some precondition
Then something happens
# comments here
`
_, err := Parse(s)
assert.NoError(t, err)
}
func TestBacktrackingCommentsDontAffectIndent(t *testing.T) {
s := `
Feature: Comments at end
Scenario: Scenario name here
Given some precondition
Then something happens
# comments here
Scenario: Another scenario
Given a step
`
f, err := Parse(s)
assert.NoError(t, err)
assert.Equal(t, 2, len(f[0].Scenarios))
}
func TestScenarioOutlines(t *testing.T) {
s := `
Feature: Scenario outlines
Scenario Outline: Scenario 1
Given some value <foo>
Then some result <bar>
Examples:
| foo | bar |
| 1 | 2 |
| 3 | 4 |
Scenario: Scenario 2
Given some other scenario
`
f, err := Parse(s)
assert.NoError(t, err)
assert.Equal(t, 2, len(f[0].Scenarios))
assert.Equal(t, StringData("| foo | bar |\n| 1 | 2 |\n| 3 | 4 |"), f[0].Scenarios[0].Examples)
}
func TestStepArguments(t *testing.T) {
s := `
Feature: Step arguments
Scenario: Scenario 1
Given some data
| 1 | 2 |
| 3 | 4 |
And some docstring
"""
hello
world
"""
And some table
| 1 | 2 |
Then other text
Scenario: Scenario 2
Given some other scenario
`
f, err := Parse(s)
assert.NoError(t, err)
assert.Equal(t, 2, len(f[0].Scenarios))
assert.Equal(t, StringData("| 1 | 2 |\n| 3 | 4 |"), f[0].Scenarios[0].Steps[0].Argument)
assert.Equal(t, StringData(" hello\n world"), f[0].Scenarios[0].Steps[1].Argument)
assert.Equal(t, StringData("| 1 | 2 |"), f[0].Scenarios[0].Steps[2].Argument)
assert.Equal(t, "other text", f[0].Scenarios[0].Steps[3].Text)
}
func TestFailureNoFeature(t *testing.T) {
_, err := Parse("")
assert.EqualError(t, err, `parse error (<unknown>.feature:1): no features parsed.`)
}
func TestTagWithoutFeature(t *testing.T) {
_, err := Parse("@tag")
assert.EqualError(t, err, `parse error (<unknown>.feature:1): tags not applied to feature.`)
}
func TestFailureExpectingFeature(t *testing.T) {
_, err := Parse("@tag\n@tag")
assert.EqualError(t, err, `parse error (<unknown>.feature:2): expected "Feature:", found "@tag".`)
}
func TestFailureInvalidTag(t *testing.T) {
_, err := Parse("@tag tag")
assert.EqualError(t, err, `parse error (<unknown>.feature:1): invalid tag "tag".`)
}
func TestFailureDescriptionAfterTags(t *testing.T) {
s := `
Feature: Descriptions after tags
@tag1
Descriptions should not be allowed after tags
Scenario: Scenario name here
Given some precondition
Then something happens
`
_, err := Parse(s)
assert.EqualError(t, err, `parse error (<unknown>.feature:4): illegal description text after tags.`)
}
func TestFailureDescriptionAfterScenario(t *testing.T) {
s := `
Feature: Descriptions after scenario
Scenario: Scenario name here
Given some precondition
Then something happens
Descriptions should not be allowed after scenario
Scenario: Another scenario
Given some precondition
Then something happens
`
_, err := Parse(s)
assert.EqualError(t, err, `parse error (<unknown>.feature:7): illegal description text after scenario.`)
}
func TestFailureMultipleBackgrounds(t *testing.T) {
s := `
Feature: Multiple backgrounds
Background:
Given one
Background:
Given two
`
_, err := Parse(s)
assert.EqualError(t, err, `parse error (<unknown>.feature:6): multiple backgrounds not allowed.`)
}
func TestFailureBackgroundAfterScenario(t *testing.T) {
s := `
Feature: Background after scenario
Scenario: Scenario name here
Given some precondition
Then something happens
Background:
Given it's after a scenario
`
_, err := Parse(s)
assert.EqualError(t, err, `parse error (<unknown>.feature:7): illegal background after scenario.`)
}
func TestFailureInvalidStep(t *testing.T) {
s := `
Feature: Invalid steps
Scenario: Scenario name here
Invalid step
`
_, err := Parse(s)
assert.EqualError(t, err, `parse error (<unknown>.feature:4): illegal step prefix "Invalid".`)
}
func TestFailureNoStepText(t *testing.T) {
s := `
Feature: No step text
Scenario: Scenario name here
Given
`
_, err := Parse(s)
assert.EqualError(t, err, `parse error (<unknown>.feature:4): expected step text after "Given".`)
}
func TestFailureInvalidTagOnScenario(t *testing.T) {
s := `
Feature: Invalid tag on scenario
@invalid tags
Scenario:
Given a scenario
`
_, err := Parse(s)
assert.EqualError(t, err, `parse error (<unknown>.feature:3): invalid tag "tags".`)
}
func TestFailureInvalidBackground(t *testing.T) {
s := `
Feature: Invalid background
Background:
Invalid step
Scenario: A scenario
Given a scenario
`
_, err := Parse(s)
assert.EqualError(t, err, `parse error (<unknown>.feature:4): illegal step prefix "Invalid".`)
}
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