// Copyright 2024 The Dawn & Tint Authors
//
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// 1. Redistributions of source code must retain the above copyright notice, this
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// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
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// 3. Neither the name of the copyright holder nor the names of its
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

package expectations

import (
	"testing"

	"github.com/google/go-cmp/cmp"
)

// Tests behavior of Content.Format()
func TestContentFormat(t *testing.T) {
	// Intentionally includes extra whitespace since that should be removed.
	content := `# OS
# tags: [ linux mac win ]
# GPU
# tags: [ amd intel nvidia ]

################################################################################
# Bug order
################################################################################
crbug.com/3 [ linux ] a1 [ Failure ]
crbug.com/2 [ mac ] b1 [ Failure ]
crbug.com/1 [ win ] c1 [ Failure ]


################################################################################
# Query order
################################################################################
crbug.com/4 [ linux ] c2 [ Failure ]
crbug.com/4 [ linux ] b2 [ Failure ]
crbug.com/4 [ linux ] a2 [ Failure ]

################################################################################
# Tag order
################################################################################
crbug.com/5 [ intel ] a3 [ Failure ]
crbug.com/5 [ amd ] a3 [ Failure ]
crbug.com/5 [ nvidia ] a3 [ Failure ]

################################################################################
# Order priority
# Bug > Tags > Query
################################################################################
crbug.com/1 [ win ] z [ Failure ]
crbug.com/3 [ intel ] c [ Failure ]
crbug.com/2 [ intel ] a [ Failure ]
crbug.com/3 [ intel ] d [ Failure ]
crbug.com/2 [ amd ] b [ Failure ]
`

	expected_content := `# OS
# tags: [ linux mac win ]
# GPU
# tags: [ amd intel nvidia ]

################################################################################
# Bug order
################################################################################
crbug.com/1 [ win ] c1 [ Failure ]
crbug.com/2 [ mac ] b1 [ Failure ]
crbug.com/3 [ linux ] a1 [ Failure ]

################################################################################
# Query order
################################################################################
crbug.com/4 [ linux ] a2 [ Failure ]
crbug.com/4 [ linux ] b2 [ Failure ]
crbug.com/4 [ linux ] c2 [ Failure ]

################################################################################
# Tag order
################################################################################
crbug.com/5 [ amd ] a3 [ Failure ]
crbug.com/5 [ intel ] a3 [ Failure ]
crbug.com/5 [ nvidia ] a3 [ Failure ]

################################################################################
# Order priority
# Bug > Tags > Query
################################################################################
crbug.com/1 [ win ] z [ Failure ]
crbug.com/2 [ amd ] b [ Failure ]
crbug.com/2 [ intel ] a [ Failure ]
crbug.com/3 [ intel ] c [ Failure ]
crbug.com/3 [ intel ] d [ Failure ]
`
	expectations, err := Parse("", content)
	if err != nil {
		t.Errorf("Parsing content failed: %s", err.Error())
	}
	expectations.Format()

	if diff := cmp.Diff(expectations.String(), expected_content); diff != "" {
		t.Errorf("Format produced unexpected output: %v", diff)
	}
}