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| 1 | +/* |
| 2 | + * Copyright 2024 - 2024 the original author or authors. |
| 3 | + * |
| 4 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | + * you may not use this file except in compliance with the License. |
| 6 | + * You may obtain a copy of the License at |
| 7 | + * |
| 8 | + * https://www.apache.org/licenses/LICENSE-2.0 |
| 9 | + * |
| 10 | + * Unless required by applicable law or agreed to in writing, software |
| 11 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | + * See the License for the specific language governing permissions and |
| 14 | + * limitations under the License. |
| 15 | + */ |
| 16 | +package org.springframework.ai.stabilityai; |
| 17 | + |
| 18 | +import org.junit.jupiter.api.Test; |
| 19 | +import org.springframework.ai.image.ImageOptions; |
| 20 | +import org.springframework.ai.stabilityai.api.StabilityAiApi; |
| 21 | +import org.springframework.ai.stabilityai.api.StabilityAiImageOptions; |
| 22 | + |
| 23 | +import static org.assertj.core.api.Assertions.assertThat; |
| 24 | +import static org.mockito.Mockito.mock; |
| 25 | + |
| 26 | +public class StabilityAiImageOptionsTests { |
| 27 | + |
| 28 | + @Test |
| 29 | + void shouldPreferRuntimeOptionsOverDefaultOptions() { |
| 30 | + |
| 31 | + StabilityAiApi stabilityAiApi = mock(StabilityAiApi.class); |
| 32 | + // Default options |
| 33 | + StabilityAiImageOptions defaultOptions = StabilityAiImageOptions.builder() |
| 34 | + .withN(1) |
| 35 | + .withModel("default-model") |
| 36 | + .withWidth(512) |
| 37 | + .withHeight(512) |
| 38 | + .withResponseFormat("image/png") |
| 39 | + .withCfgScale(7.0f) |
| 40 | + .withClipGuidancePreset("FAST_BLUE") |
| 41 | + .withSampler("DDIM") |
| 42 | + .withSeed(1234L) |
| 43 | + .withSteps(30) |
| 44 | + .withStylePreset("3d-model") |
| 45 | + .build(); |
| 46 | + |
| 47 | + // Runtime options with different values |
| 48 | + StabilityAiImageOptions runtimeOptions = StabilityAiImageOptions.builder() |
| 49 | + .withN(2) |
| 50 | + .withModel("runtime-model") |
| 51 | + .withWidth(1024) |
| 52 | + .withHeight(768) |
| 53 | + .withResponseFormat("application/json") |
| 54 | + .withCfgScale(14.0f) |
| 55 | + .withClipGuidancePreset("FAST_GREEN") |
| 56 | + .withSampler("DDPM") |
| 57 | + .withSeed(5678L) |
| 58 | + .withSteps(50) |
| 59 | + .withStylePreset("anime") |
| 60 | + .build(); |
| 61 | + |
| 62 | + StabilityAiImageModel imageModel = new StabilityAiImageModel(stabilityAiApi, defaultOptions); |
| 63 | + |
| 64 | + StabilityAiImageOptions mergedOptions = imageModel.mergeOptions(runtimeOptions, defaultOptions); |
| 65 | + |
| 66 | + assertThat(mergedOptions).satisfies(options -> { |
| 67 | + // Verify that all options match the runtime values, not the defaults |
| 68 | + assertThat(options.getN()).isEqualTo(2); |
| 69 | + assertThat(options.getModel()).isEqualTo("runtime-model"); |
| 70 | + assertThat(options.getWidth()).isEqualTo(1024); |
| 71 | + assertThat(options.getHeight()).isEqualTo(768); |
| 72 | + assertThat(options.getResponseFormat()).isEqualTo("application/json"); |
| 73 | + assertThat(options.getCfgScale()).isEqualTo(14.0f); |
| 74 | + assertThat(options.getClipGuidancePreset()).isEqualTo("FAST_GREEN"); |
| 75 | + assertThat(options.getSampler()).isEqualTo("DDPM"); |
| 76 | + assertThat(options.getSeed()).isEqualTo(5678L); |
| 77 | + assertThat(options.getSteps()).isEqualTo(50); |
| 78 | + assertThat(options.getStylePreset()).isEqualTo("anime"); |
| 79 | + }); |
| 80 | + } |
| 81 | + |
| 82 | + @Test |
| 83 | + void shouldUseDefaultOptionsWhenRuntimeOptionsAreNull() { |
| 84 | + |
| 85 | + StabilityAiApi stabilityAiApi = mock(StabilityAiApi.class); |
| 86 | + StabilityAiImageOptions defaultOptions = StabilityAiImageOptions.builder() |
| 87 | + .withN(1) |
| 88 | + .withModel("default-model") |
| 89 | + .withCfgScale(7.0f) |
| 90 | + .build(); |
| 91 | + |
| 92 | + StabilityAiImageModel imageModel = new StabilityAiImageModel(stabilityAiApi, defaultOptions); |
| 93 | + |
| 94 | + StabilityAiImageOptions mergedOptions = imageModel.mergeOptions(null, defaultOptions); |
| 95 | + |
| 96 | + assertThat(mergedOptions).satisfies(options -> { |
| 97 | + assertThat(options.getN()).isEqualTo(1); |
| 98 | + assertThat(options.getModel()).isEqualTo("default-model"); |
| 99 | + assertThat(options.getCfgScale()).isEqualTo(7.0f); |
| 100 | + }); |
| 101 | + } |
| 102 | + |
| 103 | + @Test |
| 104 | + void shouldHandleGenericImageOptionsCorrectly() { |
| 105 | + |
| 106 | + StabilityAiApi stabilityAiApi = mock(StabilityAiApi.class); |
| 107 | + StabilityAiImageOptions defaultOptions = StabilityAiImageOptions.builder() |
| 108 | + .withN(1) |
| 109 | + .withModel("default-model") |
| 110 | + .withWidth(512) |
| 111 | + .withCfgScale(7.0f) |
| 112 | + .build(); |
| 113 | + |
| 114 | + // Create a non-StabilityAi ImageOptions implementation |
| 115 | + ImageOptions genericOptions = new ImageOptions() { |
| 116 | + @Override |
| 117 | + public Integer getN() { |
| 118 | + return 2; |
| 119 | + } |
| 120 | + |
| 121 | + @Override |
| 122 | + public String getModel() { |
| 123 | + return "generic-model"; |
| 124 | + } |
| 125 | + |
| 126 | + @Override |
| 127 | + public Integer getWidth() { |
| 128 | + return 1024; |
| 129 | + } |
| 130 | + |
| 131 | + @Override |
| 132 | + public Integer getHeight() { |
| 133 | + return null; |
| 134 | + } |
| 135 | + |
| 136 | + @Override |
| 137 | + public String getResponseFormat() { |
| 138 | + return null; |
| 139 | + } |
| 140 | + |
| 141 | + @Override |
| 142 | + public String getStyle() { |
| 143 | + return null; |
| 144 | + } |
| 145 | + }; |
| 146 | + |
| 147 | + StabilityAiImageModel imageModel = new StabilityAiImageModel(stabilityAiApi, defaultOptions); |
| 148 | + |
| 149 | + StabilityAiImageOptions mergedOptions = imageModel.mergeOptions(genericOptions, defaultOptions); |
| 150 | + |
| 151 | + // Generic options should override defaults |
| 152 | + assertThat(mergedOptions.getN()).isEqualTo(2); |
| 153 | + assertThat(mergedOptions.getModel()).isEqualTo("generic-model"); |
| 154 | + assertThat(mergedOptions.getWidth()).isEqualTo(1024); |
| 155 | + |
| 156 | + // Stability-specific options should retain default values |
| 157 | + assertThat(mergedOptions.getCfgScale()).isEqualTo(7.0f); |
| 158 | + } |
| 159 | + |
| 160 | +} |
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